experts in bioidentical hormones

Meet the providers who help you thrive

At RegenCen, your care starts with someone who listens. Our providers are extensively trained in bioidentical hormone replacement therapy, testosterone optimization, and evidence-based longevity protocols—but what sets them apart is how deeply they care about helping patients feel strong, energized, and clear again.

We don’t believe in a one-size-fits-all approach. Every provider at RegenCen customizes your treatment based on bloodwork, health history, lifestyle, and your personal goals. Our aim? To help you feel your best now—and protect your long-term health.

Filter By Location:

Your Wellness & Hormone Health Experts

Stephanie Crum, PA-C

Hormone & Regenerative Medicine Specialist

Menopause Treatment, Women’s Health & Weight Loss Clinic in North Naples

Stephanie helps patients in North Naples restore balance, confidence, and vitality through expert menopause treatment, advanced care at a trusted women’s health clinic, and personalized medical weight loss programs for lasting fat loss.

Stephanie Crum, PA-C, is a Hormone and Menopause Expert with specialized training in aesthetic medicine, regenerative therapies, and joint injections. She sees patients at Cosmetic Skin & Laser Center and RegenCen in North Naples, where she blends clinical skill with a personalized, results-driven approach to help individuals feel confident, balanced, and empowered at every stage of life.

Before joining CSLC and RegenCen, Stephanie spent over a year and a half in pain management, gaining extensive hands-on experience performing joint injections for the shoulder, hip, knee, sacroiliac, elbow, and hand. She also administered Botox for migraines, developing a precise injection technique and deep knowledge of functional anatomy that she now applies to both cosmetic and regenerative care.

At RegenCen’s North Naples women’s health clinic, Stephanie provides menopause treatment, bioidentical hormone therapy, joint restoration therapies, and science-backed medical weight loss programs. She works closely with patients who search for a trusted weight loss clinic near me to improve metabolic health, balance hormones, and achieve sustainable fat loss through personalized care. Her passion lies in using both regenerative and preventive medicine to help patients not just look better, but truly feel their best—physically, mentally, and emotionally.

Known for her meticulous technique, attention to detail, and commitment to patient education, Stephanie delivers natural-looking aesthetic results and comprehensive wellness plans that reflect each patient’s unique goals. She stays at the forefront of her field through continuous learning and a dedication to providing high-quality, patient-centered care.

Angela Zunzunegui, PA-C

Hormone & Regenerative Medicine Specialist

Angela Zunzunegui

Menopause Treatment, Weight Loss & Hormone Therapy in Downtown Naples, North Naples & Marco Island

Menopause Society Certified Practitioner (MSCP) in Southwest Florida. 

Angela helps patients in Downtown Naples, North Naples, and Marco Island look and feel their best through personalized menopause treatment, bioidentical hormone therapy, and science-backed medical weight loss programs. She specializes in GLP-1 therapies such as semaglutide and tirzepatide, supporting sustainable fat loss while addressing hormone balance for optimal health and confidence.

Angela (Angie) Zunzunegui, FNP-BC, is a Menopause Provider and Hormone Expert specializing in aesthetic medicine, bioidentical hormone therapy, and preventive wellness at Cosmetic Skin & Laser Center and RegenCen in Downtown Naples, North Naples, and Marco Island, Florida. With over three years of experience in aesthetics and wellness—most recently at NAWI Wellness Center—Angie brings a personalized, results-driven approach to every patient interaction.

Her advanced clinical training, including specialized rotations and hands-on internships, has shaped her skill in crafting customized treatment plans that address both internal health and outward appearance. As a certified Botox injector, Skinceuticals Ambassador, and trusted provider in hormone replacement therapy in Naples, Angie blends medical expertise with aesthetic artistry.

At RegenCen, she helps women navigate hormonal changes with bioidentical hormone replacement therapy (BHRT), including topical and vaginal estrogen, testosterone support, and symptom-focused menopause treatments. She also provides medical weight loss programs using GLP-1 therapies like semaglutide and tirzepatide—combining proven medication protocols, a semaglutide weight loss dosage chart for guidance, and ongoing support to help patients achieve lasting fat loss / weight loss clinic near me results and improved metabolic health.

In addition to hormone and weight management, Angie offers advanced aesthetic treatments and personalized wellness consultations tailored to each individual’s goals—ensuring every patient feels revitalized, confident, and supported.

Patients across Downtown Naples, North Naples, and Marco Island choose Angie for her warm bedside manner, deep knowledge, and commitment to helping them feel their best at every stage of life. Whether you’re searching for a women’s health clinic near me, an experienced provider for HRT Naples FL, or a trusted women’s medical center, Angie delivers care that goes beyond the surface.

Connor Bowen, PA-C

Hormone & Regenerative Medicine Specialist

Connor Bowen, PA-C

Hormone Replacement Therapy & Menopause Treatment in East Grand Rapids

Connor provides expert hormone replacement therapy, testosterone therapy, and menopause treatment to patients in East Grand Rapids and Grand Rapids. He also offers regenerative options for hair thinning and skin health, tailoring each plan to support long-term vitality and confidence.

Connor Bowen, PA-C, brings a thoughtful, patient-first approach to his work as a Hormone Expert at RegenCen. With nearly a decade of clinical experience, Connor began his career in internal medicine, where he spent six years building a strong foundation in diagnostics, patient communication, and comprehensive care. He later transitioned into regenerative joint treatments, where he saw firsthand how non-surgical interventions could dramatically improve function, comfort, and quality of life.

Now at RegenCen in East Grand Rapids and Grand Rapids, Michigan, Connor combines his clinical depth with a passion for anti-aging medicine—a field he values for its unique ability to blend science, artistry, and wellness. His areas of expertise include skin health, menopause care, testosterone therapy, bioidentical hormone therapy, hair thinning solutions, and regenerative techniques that help patients look and feel aligned with how they see themselves.

Known for his calm presence, attention to detail, and inclusive care philosophy, Connor creates an affirming space where patients feel heard, supported, and empowered in their treatment journey. Whether restoring confidence through skin rejuvenation or tailoring regenerative plans for long-term wellness, Connor is committed to helping every patient feel their absolute best.

Colleen Clarke-Romero, ARNP, DCNP

Founder, Serene Advanced Skin Care

RegenCen medical weight loss clinic in Atlantic Beach, FL

Medical Weight Loss & Menopause Treatment in Atlantic Beach

Menopause Society Certified Practitioner (MSCP) in Atlantic Beach FL.

Colleen provides expert medical weight loss, menopause treatment, and hormone replacement therapy to patients in Atlantic Beach, Florida. She also specializes in dermatology, aesthetic laser procedures, and regenerative care—helping women feel balanced, confident, and radiant.

Colleen Clarke-Romero, ARNP, DCNP, is a seasoned Menopause Provider with over a decade of clinical experience specializing in dermatology, aesthetic laser treatments, and women’s hormone health. With more than 12 years performing advanced laser and cosmetic procedures, Colleen brings a deep knowledge of skin health and rejuvenation to her role at RegenCen in Atlantic Beach, FL.

Colleen holds certifications in neurotoxins, dermal fillers, laser safety, skin rejuvenation, VI Peel, microneedling, PRP/PRF, body contouring, and hair restoration, and is a certified ZO® Skin Health Expert. Her technical expertise is matched by a passion for helping clients feel confident, radiant, and comfortable in their skin.

At RegenCen, Colleen focuses on bioidentical hormone replacement therapy and regenerative treatments that address the root causes of aging and imbalance. With advanced training in women’s hormone health, she develops personalized care plans that may include topical and vaginal estrogen, testosterone support, and wellness strategies to help women navigate perimenopause and menopause treatment with clarity and confidence.

She also supports patients seeking medical weight loss, designing programs that combine evidence-based protocols with compassionate guidance to help achieve sustainable, long-term health.

Known for her compassionate care and results-driven approach, Colleen empowers each patient with education and tailored solutions that support vitality and self-assurance—from the inside out.

"Colleen and the staff always provide the most exquisite experience and results." - Leighton, Atlantic Beach Patient 

Mackenzie Swanson, NP-C

Hormone & Regenerative Medicine Specialist

Mackenzie Swanson, PA-C

Hormone Replacement Therapy & Testosterone Therapy in East Grand Rapids

Menopause Society Certified Practitioner (MSCP) in Grand Rapids, MI. 

Mackenzie provides expert hormone replacement therapy, testosterone therapy, and menopause treatment to patients in East Grand Rapids and Grand Rapids. She also offers regenerative care for hair thinning, aesthetics, and medical weight loss—helping patients restore energy, balance, and confidence.

Mackenzie, NP-C is a doctorally prepared nurse practitioner and aesthetic provider in Grand Rapids, Michigan, known for her approachable style and whole-person care. She began her career in family medicine, where she developed deep relationships with patients of all ages—and learned just how powerful it is to truly listen. That foundation still shapes her approach today, whether she’s discussing hormone therapy, aesthetics, or weight loss with her patients.

At RegenCen in Grand Rapids, Mackenzie helps people feel like themselves again—energized, confident, and comfortable in their own skin. Her aesthetic eye and clinical skill come together to create natural-looking results with injectables and skin rejuvenation treatments, always honoring her patients’ individual goals and preferences.

In hormone therapy, she works with both women and men to ease the symptoms of hormonal imbalance. From fatigue and weight gain to brain fog, low libido, and vaginal dryness, Mackenzie creates personalized, thoughtful plans that may include bioidentical hormone replacement therapy, testosterone therapy, and topical or vaginal estrogen—always grounded in evidence and guided by what works best for each patient.

She also supports clients through medically supervised weight loss in the Grand Rapids area, offering customized programs that may include GLP-1 medications like tirzepatide. Her goal isn’t a quick fix—it’s sustainable, long-term health. Patients appreciate her down-to-earth presence and her ability to explain complex treatments in a clear, empowering way.

Whether you’re seeking relief through menopause treatment, solutions for hair thinning, subtle aesthetic refreshment, or answers to lingering health concerns, Mackenzie provides compassionate care backed by clinical excellence—always centered on you.

Maurica Cox, NP-C

Hormone & Regenerative Medicine Specialist

Maurica Cox

Hormone Replacement Therapy, Testosterone Replacement Therapy & Semaglutide Weight Loss in Petoskey

Maurica helps patients in Petoskey feel their best through hormone replacement therapy, testosterone replacement therapy, semaglutide weight loss, and advanced menopause treatment—all personalized to restore balance, energy, and confidence.

Maurica Cox, NP-C, is a board-certified nurse practitioner at RegenCen in Petoskey, where she brings over 20 years of experience in healthcare and a decade of specialized focus in women’s health. Patients appreciate Maurica for her ability to truly listen, her gentle confidence, and her passion for helping people feel good in their skin—inside and out.

With an approach that’s both medical and deeply personal, Maurica blends aesthetic treatments like Botox and skin tightening with cutting-edge hormone replacement therapy, testosterone replacement therapy, GLP-1-based medical weight loss (including semaglutide and tirzepatide), and regenerative solutions to help patients restore energy, clarity, and confidence. She offers bioidentical hormone replacement therapy—including topical and vaginal estrogen—to ease the symptoms of menopause and perimenopause like night sweats, mood swings, low libido, and brain fog. For women dealing with vaginal dryness, painful intercourse, or urinary changes, she offers evidence-based treatments such as FormaV, MorpheusV, and vaginal estrogen to support both function and comfort.

Maurica’s care is tailored to each patient and rooted in trust. Whether you’re trying to understand weight gain, hormone shifts, or simply feel “off,” she helps you get to the root of what’s going on and creates a plan that works for your life—not just your labs.

Patients from Petoskey, Charlevoix, Walloon Lake, and across Emmet County seek Maurica’s thoughtful, results-driven care to feel stronger, healthier, and more like themselves again. If you're ready to take the first step toward feeling your best, book a consultation at CSLC & RegenCen in Petoskey—where regenerative medicine meets personalized care.

Lee Middleton, BSN, RN

Clinical Development Director

Menopause, Testosterone & Hair Loss Treatment in Palm Beach, Wellington, & Hobe Sound

Lee helps patients in Palm Beach, Wellington, & Hobe Sound restore balance and confidence through personalized menopause treatment, testosterone therapy, and advanced solutions for hair loss treatment. She specializes in hormone optimization, regenerative medicine, and medical weight loss to help both men and women look, feel, and live their best.

Lee Middleton, BSN, RN, has been a trusted clinical provider with Cosmetic Skin & Laser Center and RegenCen since 2009. With over 15 years of experience in women’s health and regenerative medicine, Lee is known across our Florida locations—including Palm Beach, Lake Mary, and Winter Park—for her expertise in hormone therapy near me, menopause treatment, and evidence-based care for hair thinning near me and hair loss treatment near me in both women and men.

A former obstetrics and gynecology nurse, Lee now specializes in bioidentical hormone replacement therapy (BHRT) for women navigating perimenopause, menopause, and beyond. Her approach integrates topical and vaginal estrogen, testosterone therapy (including testosterone therapy Orlando for our Central Florida patients), and other personalized treatments to address fatigue, weight gain, brain fog, low libido, and vaginal dryness. Lee’s deep clinical knowledge and warm, candid style make her a sought-after guide for women seeking to reclaim their vitality and confidence during midlife and beyond.

Lee also helps men and women achieve sustainable weight loss and improved metabolic health using semaglutide and tirzepatide (GLP-1 medications), combined with personalized nutrition and lifestyle guidance. Her focus is always on long-term success—not quick fixes—ensuring every treatment plan is results-driven and rooted in science.

At RegenCen, Lee is especially passionate about empowering women to take control of their bladder health, sexual wellness, and hormone balance through regenerative medicine. Whether addressing urinary incontinence, vaginal dryness, or hormone-related symptoms, she creates customized treatment plans that help clients live stronger, longer.

Lee is based in South Florida and sees patients regularly at RegenCen in Palm Beach, Lake Mary, and Winter Park. Outside of work, she enjoys visiting her grown children and traveling to South Africa with her husband.

Teresa Vettese, NP-C

Hormone & Regenerative Medicine Specialist

Teresa Vettese, NP-C

Hormone Replacement Therapy, Menopause Treatment & NAD+ IV Therapy in Bloomfield Hills & East Lansing

Teresa helps patients in Bloomfield Hills & East Lansing restore vitality and age well through hormone replacement therapy, advanced menopause treatment, and NAD+ IV therapy. With a focus on longevity and quality of life, she delivers personalized, science-backed care to help patients feel better, move better, and live better at every stage.

Teresa Vettese, FNP-BC, is a Nurse Practitioner specializing in bioidentical hormone therapy, regenerative care, and medical weight loss at RegenCen Bloomfield Hills and East Lansing. Known for her integrative approach and focus on longevity, Teresa partners with patients to improve vitality, reduce symptoms, and prevent age-related decline with science-backed, personalized care.

With a strong passion for holistic medicine and advanced training in midlife wellness, Teresa offers hormone optimization plans tailored to each patient’s stage of life. Her protocols include topical and vaginal estrogen, testosterone therapy, and proactive menopause treatment to support energy, mood, libido, and metabolic health.

Teresa also provides GLP-1 medical weight loss solutions, including tirzepatide, helping patients address stubborn weight gain and insulin resistance with effective, sustainable tools. In addition, she offers NAD+ IV therapy for cellular repair, enhanced energy, and improved cognitive function—supporting patients’ overall health and longevity goals.

Serving patients in East Lansing and Bloomfield Hills, Teresa is recognized for her warm demeanor, in-depth knowledge, and results-focused care. Whether you’re navigating hormone changes, weight concerns, or seeking proactive wellness support, Teresa delivers personalized regenerative care that improves quality of life—now and into the future.

Ashley Lamb, NP-C

Hormone & Regenerative Medicine Specialist

Ashley Lamb

Medical Weight Loss, Menopause Treatment & Hormone Optimization in Fenton

Ashley helps patients in Fenton look and feel their best through medical weight loss near me, personalized menopause treatment, advanced testosterone treatment, and science-backed hormone optimization programs. She specializes in bioidentical hormone replacement therapy, tailoring every plan to support lasting energy, balance, and confidence.

Ashley Lamb, NP-C, brings comprehensive clinical expertise and a personal commitment to wellness to her roles at RegenCen and Cosmetic Skin & Laser Center in Fenton, Michigan. After honing her skills in critical care—serving as an ICU nurse, hospitalist, and neurosurgery provider—Ashley earned her Nurse Practitioner certification and transitioned her focus to regenerative medicine and hormone optimization.

Inspired by her own health journey, Ashley now specializes in bioidentical hormone replacement therapy near me, using evidence-based, bioidentical hormones tailored to each patient. She offers topical and vaginal estrogen, testosterone treatment, and comprehensive menopause treatment to address hot flashes, mood fluctuations, fatigue, sleep disturbances, and intimate wellness. Women across Fenton rely on her empathetic, results-driven care to navigate midlife with renewed confidence.

In the realm of metabolic health, Ashley provides medical weight loss near me through medically supervised programs featuring GLP-1 agents like semaglutide and tirzepatide. Her method emphasizes sustainable transformation—combining medication with personalized nutrition guidance, behavior support, and realistic lifestyle strategies.

Ashley also integrates subtle aesthetic services—including Botox, dermal fillers, and Sculptra—into her holistic patient offerings. By synergizing internal health optimization with natural appearance enhancement, she empowers clients in Fenton to feel and look their best from the inside out.

Approachable yet deeply informed, Ashley sees patients at CSLC and RegenCen’s Fenton clinic, where she’s a trusted provider for hormone optimization, medical weight loss, regenerative care, and aesthetic wellness in mid-Michigan.

"Ashley is awesome! Very professional and knowledgeable. She takes time to explain all the details." - Sam, Fenton Patient

Stephanie Case, PA-C

Regional Clinical Lead & Consultant

Stephanie Case, PA-C

Menopause Treatment, Hormone Therapy & Semaglutide Weight Loss in Wellington, Palm Beach & Hobe Sound

Stephanie helps patients in Wellington, Palm Beach, and Hobe Sound restore energy, balance hormones, and achieve sustainable results through menopause treatment, hormone replacement therapy, testosterone replacement therapy, and advanced medical weight loss programs—including semaglutide near me and other GLP-1 therapies. She also offers regenerative medicine, ED treatment near me, and hair loss treatment, combining medical expertise with a personalized, results-driven approach.

Stephanie Case, PA-C, is a highly experienced regenerative and aesthetic medicine provider at RegenCen and Cosmetic Skin & Laser Center, serving patients across Palm Beach, Wellington, and Hobe Sound, Florida. With over eight years of clinical expertise and a background in trauma critical care and plastic surgery, Stephanie brings exceptional precision and compassion to her work—helping patients restore their vitality, improve function, and feel their best inside and out.

At RegenCen, Stephanie specializes in hormone replacement therapy for women navigating perimenopause, menopause treatment, and beyond. She develops personalized protocols that may include bioidentical hormones, vaginal and topical estrogen, and testosterone replacement therapy to address fatigue, low libido, weight changes, and vaginal dryness. Her approach is deeply rooted in science and tailored to each patient's stage of life and symptom profile.

Stephanie also offers medically supervised weight loss using GLP-1 therapies such as tirzepatide and semaglutide near me, helping patients improve metabolic health and achieve sustainable results. By integrating medication with lifestyle support, she helps clients in South Florida reach and maintain their wellness goals.

In addition to hormone and regenerative care, Stephanie provides advanced aesthetic treatments—including Morpheus8 and Ultherapy—to support natural, non-surgical rejuvenation. She is known for delivering subtle, confident results that align with her patients’ personal goals, always prioritizing minimal downtime and long-term outcomes.

Trained under industry leaders Dr. Gustav Lo, Anna Donaghy, and Kolleen Bartosek through RegenCen and CSLC University, Stephanie is trusted by clients across Palm Beach County for her thoughtful, comprehensive, and evidence-based care.

Wendy Najarian, PA-C

Hormone & Regenerative Medicine Specialist

Hormone Replacement Therapy, Menopause Treatment & NAD IV Therapy in Bloomfield Hills

Wendy helps patients in Bloomfield Hills look and feel their best with personalized hormone replacement therapy, advanced menopause treatment, and science-backed NAD IV therapy options that restore energy, balance hormones, and promote healthy aging.

Wendy Najarian, PA-C, is a trusted regenerative and aesthetic provider at RegenCen and Cosmetic Skin & Laser Center in Bloomfield Hills, Michigan. With more than a decade of clinical experience in internal medicine and dermatology, Wendy brings a thoughtful, evidence-based approach to wellness care—helping patients across Oakland County restore energy, balance, and confidence through highly personalized treatment plans.

At RegenCen Bloomfield Hills, Wendy specializes in hormone replacement therapy and comprehensive menopause treatment, offering individualized care for women experiencing symptoms such as hot flashes, fatigue, weight gain, vaginal dryness, low libido, and mood shifts. Her treatment protocols often include topical and vaginal estrogen, testosterone therapy, and lifestyle support to optimize hormone balance and improve long-term health.

Wendy also provides NAD IV therapy near me for patients seeking cellular-level energy restoration, cognitive support, and anti-aging benefits. In addition, she offers medically supervised weight loss solutions using GLP-1 therapies like tirzepatide and semaglutide, guiding patients through safe, sustainable transformations that improve metabolic function and support healthy aging.

Known for her caring, detail-oriented style, Wendy also offers advanced aesthetic services including cosmetic injectables, collagen-stimulating treatments, and laser skin rejuvenation—blending internal wellness with subtle, natural-looking aesthetic enhancements.

Patients throughout Bloomfield Hills, Birmingham, West Bloomfield, Franklin, and the greater Metro Detroit area trust Wendy for her whole-body approach to midlife health. Whether you’re seeking hormone replacement therapy, menopause treatment near me, NAD IV therapy, weight loss guidance, or aesthetic renewal, Wendy’s integrative care empowers you to look and feel your best—at every stage of life.

"Absolutely love RegenCen. Wendy and the staff are incredibly professional, friendly and knowledgeable. I've met with Wendy twice and she took so much time explaining everything to me. Trust them completely and would highly recommend them." - Sherry, Bloomfield Hills Patient 

Caroline Hughes, PA-C

Hormone & Regenerative Medicine Specialist

Caroline Hughes, PA-C

Menopause Treatment, Testosterone Therapy & Hair Loss Solutions in Winter Park & Lake Mary

Menopause Society Certified Practitioner (MSCP) in Winter Park & Lake Mary, FL. 

Caroline helps patients in Winter Park and Lake Mary restore energy, balance, and confidence through personalized menopause treatment, advanced testosterone therapy, and proven solutions for hair thinning and hair loss. With expertise in bioidentical hormone therapy, medical weight loss, and aesthetic rejuvenation, she blends science and compassion to help patients feel their absolute best at every stage of life.

Caroline Hughes, PA-C, is a Menopause Provider specializing in bioidentical hormone therapy, advanced weight loss, and aesthetic rejuvenation at Cosmetic Skin & Laser Center and RegenCen in Winter Park and Lake Mary, Florida. With four years of hands-on experience in the aesthetic industry and a background working alongside top cosmetic dermatologists and plastic surgeons, Caroline offers a thoughtful, evidence-based approach to both wellness and beauty.

At RegenCen, Caroline helps women navigate perimenopause and menopause with personalized menopause treatment plans that include topical and vaginal estrogen, testosterone therapy, and symptom-focused strategies. She is passionate about helping patients overcome mood swings, sleep issues, hot flashes, brain fog, and hair thinning—so they can feel energized, empowered, and back in control of their health.

She also provides GLP-1-based medical weight loss programs, including tirzepatide, to help patients achieve sustainable fat loss and improved metabolic function. Her integrative method combines medication with ongoing support to help clients achieve long-term success.

In addition to regenerative care, Caroline offers expert aesthetic treatments including Botox, PRP/PRF injections, body contouring, and laser skin rejuvenation. Known for her holistic, skin-focused approach, Caroline delivers subtle, natural-looking results that enhance each patient’s unique features.

Patients from Winter Park, Lake Mary, and throughout Central Florida trust Caroline for her calm confidence, clinical skill, and warm, personalized care. Whether you’re seeking hormone therapy near me, smoother skin, or a total confidence reset, Caroline is here to help you feel radiant—inside and out.

Lisa Otero, NP-C

Hormone & Regenerative Medicine Specialist

Lisa Otero, NP-C

Lisa, APRN, FNP-C, MSN, brings 19 years of nursing experience—including over two years as a board-certified nurse practitioner—to the field of aesthetic medicine. With a clinical background in labor and delivery, general surgery, and orthopedics, she offers a well-rounded, holistic approach to client care. Lisa was drawn to aesthetics for its unique blend of science, artistry, and human connection—and takes pride in helping patients feel confident, aligned, and authentically themselves.

At Cosmetic Skin & Laser Center in Winter Park & Lake Mary, FL, Lisa provides advanced aesthetic treatments for patients seeking natural-looking, long-term results. She specializes in regenerative injectables such as Sculptra, Radiesse, and platelet-rich fibrin (PRF) to stimulate collagen and restore healthy volume, while also offering Botox and dermal fillers for refined wrinkle reduction and facial balancing. Known for her gentle touch and customized plans, Lisa cares for clients from Winter Park, Maitland, College Park, Baldwin Park, Lake Mary, and Windermere. Whether you’re new to aesthetic treatments or looking for expert care close to home, scheduling a complimentary consultation with Lisa is the first step toward refreshed, naturally beautiful results you’ll love.

Kayla Patnode, PA-C

Hormone & Regenerative Medicine Specialist

Kayla Patnode, PA-C

Menopause Treatment & Hormone Replacement Therapy in Ann Arbor and Chelsea

Kayla helps patients in Ann Arbor and Chelsea restore balance, vitality, and confidence through personalized menopause treatment, advanced hormone replacement therapy, and discreet ED treatment options—always with a science-backed, patient-first approach.

Kayla Patnode, PA-C, is a trusted regenerative and aesthetic medicine provider at RegenCen and Cosmetic Skin & Laser Center, seeing patients in Ann Arbor and Chelsea, Michigan. With a strong clinical foundation in dermatology, hormone replacement therapy, and wellness-based medicine, Kayla blends science and compassion to help patients feel revitalized, confident, and in control of their health.

Kayla specializes in menopause treatment for women navigating perimenopause and menopause, offering tailored bioidentical hormone replacement plans that may include topical and vaginal estrogen, testosterone therapy, and lifestyle support. She takes time to understand each patient’s unique journey—whether they’re dealing with fatigue, mood shifts, sleep disruption, or intimacy concerns—and crafts personalized treatment protocols designed to restore energy, balance, and clarity.

She also offers medical weight loss programs featuring GLP-1 therapies like tirzepatide and semaglutide, helping patients in the Ann Arbor and Chelsea communities achieve lasting results by combining medication with practical guidance for sustainable success. For men seeking discreet, effective care, Kayla provides evidence-based ED treatment tailored to restore both function and confidence.

In addition to regenerative wellness, Kayla provides aesthetic treatments including wrinkle relaxers, collagen-stimulating injectables, and PRF-based hair restoration. Her results are always subtle, natural-looking, and aligned with her patient-first philosophy.

Known for her calming presence and clinical precision, Kayla is especially sought after by women and men seeking trustworthy, comprehensive care through midlife and beyond. Whether you’re looking to optimize your hormones, improve sexual wellness, or refresh your appearance, Kayla delivers regenerative solutions that get results—and restore confidence.

Aynsley Vanderkarr, PA-C

Hormone & Regenerative Medicine Specialist

Menopause Treatment, Hormone Replacement Therapy & ED Treatment in Chelsea

Aynsley helps patients in Chelsea and the surrounding communities feel revitalized through menopause treatment, hormone replacement therapy, and advanced ED treatment. Her care blends science-based medicine with a compassionate, personalized approach—helping patients restore balance, energy, and confidence at every stage of life.

Aynsley Vanderkarr, PA-C, is a board-certified Physician Assistant at Cosmetic Skin & Laser Center and RegenCen, serving patients in Chelsea, MI, and surrounding areas. A graduate of Central Michigan University, Aynsley brings hands-on experience in emergency medicine, urgent care, and now aesthetic and regenerative medicine, where she helps patients restore balance, energy, and confidence through personalized care.

At RegenCen Chelsea, Aynsley provides bioidentical hormone replacement therapy and menopause treatment, including topical and vaginal estrogen and testosterone support to address fatigue, hot flashes, mood shifts, and intimacy concerns. She also offers GLP-1-based medical weight loss, including tirzepatide, to help patients achieve sustainable fat loss and improved metabolic health. Her care also extends to ED treatment options, supporting men’s health and vitality with evidence-based solutions.

In addition to her wellness-focused care, Aynsley is certified in aesthetic injectables, including neurotoxin and dermal filler, and is furthering her training through advanced mentorship at Cosmetic Skin & Laser Center. Her approach combines clinical knowledge with an eye for natural results—helping patients feel refreshed without looking overdone. Outside of work, Aynsley enjoys being active, traveling, camping, and spending time with her husband, family, and two German shepherds.

Samiha Rahman, PA-C

Hormone & Regenerative Medicine Specialist

Samiha Rahman, PA-C

Menopause Treatment, Semaglutide & Hormone Replacement Therapy in Wellington, Hobe Sound, Traverse City, & Palm Beach

Menopause Society Certified Practitioner (MSCP) in Wellington & Palm Beach, FL.

Samiha helps patients in Wellington and Palm Beach restore balance, confidence, and long-term vitality through menopause treatment, advanced hormone replacement therapy, and science-backed medical weight loss programs including semaglutide.

Samiha Rahman, PA-C, is a dedicated Physician Associate specializing in bioidentical hormone replacement therapy (BHRT), medical weight loss, and regenerative wellness at RegenCen in Wellington and Palm Beach, Florida. With a strong foundation in patient care and clinical training in dermatology and physical rehabilitation, she has helped hundreds of patients achieve measurable improvements in energy, metabolism, and overall wellbeing.

Samiha develops highly personalized menopause treatment plans for women navigating perimenopause and menopause, incorporating topical and vaginal estrogen, testosterone therapy, and symptom-based hormone support to restore balance, focus, and vitality. She also treats men experiencing low testosterone with customized, science-backed testosterone replacement therapy protocols that support strength, stamina, and mood—addressing concerns including ED treatment when appropriate.

For patients seeking fat loss and metabolic optimization, Samiha offers prescription weight loss programs using GLP-1 therapies, including semaglutide and tirzepatide, paired with nutrition and lifestyle guidance to create sustainable, long-term results.

Her regenerative care offerings also include joint injections and advanced wellness therapies to improve function and reduce inflammation. Samiha’s certifications in InMode, Sciton, and Biote Hormone Therapy reflect her commitment to using the most advanced, evidence-based tools in modern regenerative medicine.

Known for her approachable and empathetic style, Samiha takes time to educate and support each patient through every step of their journey—building trust while delivering real, lasting results. She sees patients from across Wellington, Palm Beach Gardens, Lake Worth, and West Palm Beach at our RegenCen clinics in Palm Beach County.

Shauna Stark, DNP-BC

Hormone & Regenerative Medicine Specialist

Hormone Replacement Therapy, Semaglutide Weight Loss & NAD+ IV Therapy in Harbor Springs

Shauna helps patients in Harbor Springs restore balance, energy, and confidence through hormone replacement therapy, bioidentical hormone replacement therapy, semaglutide weight loss, NAD+ IV therapy, and personalized menopause treatment plans.

Shauna Stark, DNP-BC, is an experienced Menopause and Hormone Provider at RegenCen and Cosmetic Skin & Laser Center in Harbor Springs, Michigan. With over a decade of medical experience—including her ongoing work in trauma care at McLaren Hospital in Petoskey—Shauna offers patients a rare combination of clinical depth, calm precision, and aesthetic artistry.

At RegenCen Harbor Springs, Shauna specializes in bioidentical hormone replacement therapy for women navigating perimenopause and menopause treatment. Her individualized care plans often include topical and vaginal estrogen, testosterone therapy, and lifestyle strategies to help women manage symptoms like fatigue, brain fog, weight gain, and low libido with clarity and confidence.

She also provides medical weight loss consultations, offering GLP-1 therapies such as semaglutide and tirzepatide to support safe, sustainable fat loss and improve long-term metabolic health. Her approach is highly personalized, results-driven, and deeply rooted in patient education.

Shauna’s expertise extends beyond regenerative medicine—she is highly sought after in northern Michigan for her aesthetic skill in Botox, dermal fillers, PRF injections, and advanced skin rejuvenation treatments including Morpheus8, Ultherapy, IPL, and TotalFX. She also offers sclerotherapy and NAD+ IV therapy to enhance cellular repair, energy production, and overall vitality.

Known for her warmth, confidence, and meticulous technique, Shauna serves patients from Harbor Springs, Harbor Point, Birchwood Country Club, Good Hart, and surrounding areas. Whether you're seeking hormone balance, body rejuvenation, or facial restoration, she delivers personalized care that helps you look and feel your best—naturally and confidently.

Heather Bur, NP-C

Hormone & Regenerative Medicine Specialist

Hormone Replacement Therapy, Testosterone Replacement, Semaglutide Weight Loss & Menopause Treatment in Petoskey

Heather helps patients in Petoskey achieve renewed energy, balanced hormones, and sustainable weight loss through hormone replacement therapy, testosterone replacement therapy, semaglutide weight loss, and personalized menopause treatment plans.

Heather Bur, NP-C, is a board-certified Nurse Practitioner with over 16 years of medical experience, including eight years in emergency care and another eight in urgent care before focusing her practice on regenerative and wellness medicine. Known for her calm confidence and clinical precision, Heather helps patients in Petoskey, Bay Harbor, and across northern Michigan restore energy, optimize hormones, and feel their best—at any age.

At RegenCen Petoskey, Heather specializes in hormone replacement therapy and testosterone replacement therapy, developing customized plans for women navigating perimenopause and menopause treatment, as well as for men experiencing low-T. Her protocols often include topical and vaginal estrogen, testosterone therapy, and science-backed strategies to support vitality, strength, mental clarity, and long-term health.

Heather also provides medically supervised weight loss programs, including semaglutide weight loss with GLP-1 therapies like tirzepatide, to help patients safely lose fat, improve metabolic health, and restore motivation. She combines proven medications with practical lifestyle guidance to ensure sustainable results.

Passionate about redefining how women and men experience aging, Heather empowers her patients with education, empathy, and results-focused care. Whether you’re navigating hormonal changes, seeking menopause treatment, or pursuing effective weight loss solutions, Heather’s personalized approach is designed to help you reclaim your health and thrive.

"I had a PRF injection on both hips today from Heather NP who was excellent!" - Michele, Petoskey Patient

Danielle Stevenson, PA-C

Regional Clinical Lead, Hormone & Regenerative Medicine Specialist

Hormone Replacement Therapy, Menopause Treatment, and Semaglutide Weight Loss in Naples, North Naples, Boca Grande, Marco Island, and Sarasota

Menopause Society Certified Practitioner (MSCP) in Southwest Florida. 

Danielle is a trusted hormone and weight loss specialist at RegenCen Downtown Naples, North Naples, Boca Grande, Marco Island, and Sarasota helping patients restore energy, balance hormones, and achieve sustainable results through hormone replacement therapy (HRT Naples FL), menopause treatment, and semaglutide weight loss. Known for her warm demeanor and evidence-based care, she partners with each patient to create personalized, long-term wellness plans at the leading women’s medical center and women’s health clinic near me in the area.

Raised in Naples, Danielle Stevenson, PA-C, brings deep local roots and a heartfelt commitment to helping patients feel like themselves again. Her clinical expertise in regenerative medicine goes far beyond symptom relief—she takes time to listen, understand, and build trust, ensuring every plan is as unique as the patient she’s treating.

Danielle focuses on restoring energy, balance, and confidence through bioidentical hormone replacement therapy, including Biote pellets, topical and vaginal estrogen, and testosterone optimization. She offers proactive care for women experiencing hot flashes, brain fog, fatigue, or mood changes, and supports men with tailored hormone optimization plans.

For patients seeking a fat loss / weight loss clinic near me, Danielle provides results-driven medical weight loss programs featuring semaglutide and tirzepatide, including personalized semaglutide weight loss dosage chart guidance for safety and effectiveness. Her approach blends cutting-edge treatment with practical lifestyle strategies, helping patients achieve measurable, sustainable changes.

Whether you’re navigating menopause treatment, looking to improve your metabolic health, or simply want to feel stronger and more vibrant as you age, Danielle delivers care rooted in science and compassion. Her patients across Downtown Naples, North Naples, Boca Grande, and Southwest Florida value her honesty, empathy, and deep knowledge of hormone health, medical weight loss, and longevity medicine.

"Danielle answered all my questions and concerns in a professional and caring manner about BHRT." - Diane, Naples Patient 

Keya Patel, PA-C

Hormone & Regenerative Medicine Specialist

Keya Patel, PA-C Sarasota RegenCen Provider

Expert in Semaglutide Weight Loss, HRT Naples FL & Women’s Health in North Naples

Menopause Society Certified Practitioner (MSCP) in Southwest Florida. 

Serving patients across Downtown Naples, North Naples, and Sarasota, Keya Patel, PA-C is a trusted provider in regenerative medicine, medical weight loss, and hormone replacement therapy. Known for her warm demeanor and precise, evidence-based care, she helps patients achieve lasting results—whether they’re seeking semaglutide weight loss (including guidance on the semaglutide weight loss dosage chart), personalized HRT in Naples, FL, or comprehensive menopause treatment at a leading women’s medical center.

Raised in Florida and serving patients across Downtown Naples, North Naples, and Sarasota, Keya Patel, PA-C is a trusted provider in regenerative medicine, medical weight loss, and hormone replacement therapy. Known for her warm demeanor and clinical precision, she helps patients navigate life changes—from stubborn weight gain to hormonal imbalance—with care that’s both science-backed and highly personal. Patients choose Keya for her expertise in semaglutide weight loss (including guidance on the semaglutide weight loss dosage chart), HRT in Naples, FL, and comprehensive menopause treatment at a leading women’s medical center.

A graduate of Nova Southeastern University—where she earned her Master’s in Physician Assistant Studies with honors—Keya began her medical career as a pharmacy technician and certified phlebotomist. Today, she specializes in bioidentical hormone therapy, GLP-1 medical weight loss (including tirzepatide), and menopause care, offering tailored plans that include topical and vaginal estrogen and testosterone therapy to restore energy, balance, and vitality.

Keya is also known for her aesthetic expertise, providing facial rejuvenation with advanced injectables, skin-tightening procedures, and regenerative treatments that enhance natural beauty. Patients value her ability to blend artistry with medicine, creating subtle yet transformative results.

Whether you’re seeking hormone optimization, guidance from a trusted fat loss / weight loss clinic near me, or care from a compassionate women’s health clinic near me, Keya offers a personalized approach that delivers measurable improvements in health, appearance, and confidence.

"Keya Patel PA is a lovely and elegant young lady who is professional and kind. She is pleasant and friendly and creates a comforting experience during treatment. I highly recommend her service. I am well-pleased to have her as part of our community in North Naples." - Karen, North Naples Patient 

Andrea Dunklow, NP-C

Hormone & Regenerative Medicine Specialist

Menopause Treatment, Testosterone Replacement Therapy & Medical Weight Loss in Traverse City

Andrea helps patients in Traverse City look and feel their best through personalized menopause treatment, testosterone replacement therapy, and science-backed medical weight loss programs.

Andrea Dunklow, FNP-C, is a seasoned Menopause Provider with over 20 years of healthcare experience and a focus on aesthetic and regenerative wellness at Cosmetic Skin & Laser Center and RegenCen in Traverse City. With a clinical background in emergency medicine and as a Sexual Assault Nurse Examiner (SANE), Andrea brings exceptional empathy, precision, and patient-centered care to every interaction.

At RegenCen Traverse City, Andrea specializes in bioidentical hormone therapy, menopause treatment, and testosterone replacement therapy for both women and men. Her personalized plans may include topical and vaginal estrogen, testosterone optimization, and symptom-specific strategies to address low energy, insomnia, mood shifts, and aging-related concerns. Andrea is deeply committed to helping patients understand the root cause of their symptoms—not just masking them.

Andrea also offers medical weight loss programs that include GLP-1 therapies like tirzepatide, helping patients achieve lasting metabolic improvements through clinically guided, sustainable strategies.

In addition to regenerative care, Andrea provides aesthetic treatments including Botox, dermal fillers, and collagen-stimulating procedures to subtly enhance natural beauty and restore confidence.

Known throughout northern Michigan and Grand Traverse Bay for her approachable demeanor and thoughtful, individualized care, Andrea empowers her patients to take control of their health, appearance, and longevity—naturally and confidently. Whether you’re seeking hormone balance or facial rejuvenation, she creates results-driven treatment plans that fit your goals and lifestyle.

Taylor Newhart, PA-C

Hormone & Regenerative Medicine Specialist

Taylor Newhart, PA-C

Menopause Treatment, Hormone Replacement Therapy & ED Treatment in Ann Arbor

Menopause Society Certified Practitioner (MSCP) in Ann Arbor, MI. 

Taylor helps patients in Ann Arbor restore energy, balance hormones, and feel their best through menopause treatment, advanced hormone replacement therapy, and discreet, personalized ED treatment.

Taylor Newhart, PA-C, is a dedicated Hormone Expert specializing in aesthetic medicine, bioidentical hormone therapy, and regenerative care at RegenCen and Cosmetic Skin & Laser Center in Ann Arbor, Michigan. With a clinical foundation in family medicine and advanced training in medical aesthetics, Taylor offers a thoughtful, patient-first approach that blends science, precision, and compassion.

Taylor helps women confidently navigate perimenopause and menopause with personalized hormone replacement therapy, including topical and vaginal estrogen, testosterone support, and symptom-targeted care for fatigue, hot flashes, brain fog, and sleep disruption. She also provides discreet, results-driven ED treatment for men, addressing hormonal and vascular factors to improve performance, stamina, and confidence. In addition, she offers medical weight loss solutions, including GLP-1 therapies like tirzepatide, to help patients sustainably improve metabolism and energy.

In her regenerative practice, Taylor combines advanced wellness protocols with aesthetic services such as Botox, injectable fillers, and natural skin rejuvenation techniques. Known for her gentle touch and meticulous technique, she creates results that look beautifully natural—and feel empowering.

Patients from across the greater Ann Arbor area trust Taylor for her warm, detail-oriented care and her commitment to helping them look and feel their best. Whether you’re seeking wrinkle treatments, menopause treatment, hormone replacement therapy, or ED treatment, Taylor delivers personalized, results-driven care every step of the way.

Elizabeth Gapske, PA-C

Hormone & Regenerative Medicine Specialist

Elizabeth Lozen

Menopause Treatment, Testosterone Replacement Therapy & Medical Weight Loss in Traverse City & Suttons Bay

Menopause Society Certified Practitioner (MSCP) in Traverse City & Suttons Bay, MI. 

Elizabeth helps patients in Traverse City and Suttons Bay restore balance, vitality, and confidence through menopause treatment, testosterone replacement therapy, and personalized medical weight loss programs.

Elizabeth Gapske, PA-C, is a trusted Hormone Expert and Menopause Provider at RegenCen and Cosmetic Skin & Laser Center in Traverse City and Suttons Bay, Michigan. With a background in family medicine, Elizabeth brings a strong foundation in whole-body care to her aesthetic and regenerative practice—combining clinical precision with a compassionate, patient-first approach.

Known for her calming presence and meticulous attention to detail, Elizabeth takes time to listen, understand, and build trust with every patient. Her customized treatment plans prioritize natural-looking enhancements while supporting long-term health and confidence.

At RegenCen in Traverse City and Suttons Bay, Elizabeth provides bioidentical hormone therapy for women navigating perimenopause and menopause, offering personalized care that may include topical and vaginal estrogen, testosterone therapy, and symptom-specific hormone support. She also offers medical weight loss programs featuring GLP-1 therapies like tirzepatide, helping patients in northern Michigan achieve sustainable metabolic improvements.

In the aesthetic realm, Elizabeth specializes in Botox, dermal fillers, Sculptra, and advanced regenerative treatments that rejuvenate the skin and restore facial harmony with subtle, lasting results.

Whether you're looking for facial rejuvenation, hormone balance, or medically guided weight loss, Elizabeth delivers expert, results-driven care to help you look and feel your best. Patients from Traverse City, Suttons Bay, Leland, Lake Leelanau, Grand Traverse Bay, and throughout northern Michigan trust her for personalized solutions that support confidence and wellness at every age.

Ambyr Thompson, LPN, Aesthetian

Weight Loss & Vaginal Rejuvenation Specialist

Hormone Replacement Therapy, Testosterone Replacement Therapy & Semaglutide Weight Loss in Petoskey

Ambyr helps patients in Petoskey restore balance, confidence, and vitality through hormone replacement therapy, testosterone replacement therapy, semaglutide weight loss, and personalized menopause treatment—along with advanced aesthetic and regenerative care.

With over a decade of experience working alongside Dr. Gustav Lo in primary and urgent care, Ambyr Thompson, LPN, LA, MA, brings a rare blend of clinical depth, aesthetic skill, and compassionate care to her work at Cosmetic Skin & Laser Center and RegenCen in Petoskey, Michigan. Known for her approachable, friendly demeanor, Ambyr ensures every patient feels comfortable and supported—while receiving the highest level of personalized, transformative care.

Ambyr offers a wide range of aesthetic and regenerative services, including semaglutide weight loss programs, CoolSculpting, Morpheus8, laser hair removal, laser tattoo removal, and intimate wellness solutions such as the Oh! Shot and MorpheusV vaginal rejuvenation. She also assists Dr. Lo with liposuction procedures in both Petoskey and Traverse City, helping patients experience smooth recoveries and optimized outcomes.

With a special interest in hormone replacement therapy, testosterone replacement therapy, and menopause treatment, Ambyr is passionate about helping women address often-overlooked symptoms such as fatigue, mood shifts, weight gain, and low libido. Her patient-centered approach focuses on education, empowerment, and creating lasting change—so women can feel strong, confident, and truly like themselves again.

Whether you’re seeking to enhance your appearance, improve intimate wellness, or finally address midlife health changes, Ambyr provides customized, results-driven care trusted by patients throughout Petoskey, Walloon Lake, Bay Harbor, and northern Michigan.

Danielle DuFord

Phlebotomist, Back Office Coordinator

Menopause Treatment, Testosterone Replacement Therapy & Medical Weight Loss in Traverse City

Danielle has been an essential member of the Cosmetic Skin & Laser Center (CSLC) & RegenCen team in Traverse City since 2019, helping patients look and feel their best through personalized menopause treatment, testosterone replacement therapy, and medical weight loss programs.

Originally from Santa Cruz, California, Danielle moved to Traverse City and quickly became an integral part of CSLC, where her diverse background in event coordination and expertise as a phlebotomist allows her to seamlessly support the clinic's exceptional patient care. With years of experience, Danielle has gained a reputation for her unwavering dedication and meticulous attention to detail, making her a go-to resource for both patients and providers alike.

At CSLC & RegenCen in Traverse City, Danielle plays a critical role in ensuring patients receive a smooth, comfortable experience from start to finish. Working closely with our nurse injectors and physician assistants, she helps optimize treatment outcomes and expedites care.

Danielle’s expertise in PRP & PRF treatments, hormone testing, and IV therapy ensures that patients seeking menopause treatment, testosterone replacement therapy, or medical weight loss in Traverse City and the surrounding areas receive personalized, top-tier care.

Patients consistently appreciate Danielle's warm, approachable nature and the confidence she instills in every step of their treatment journey. Whether you're visiting for rejuvenating skincare services or advanced wellness therapies, Danielle is committed to making your experience at CSLC & RegenCen extraordinary.

Medical Directors

Steven Ringler, MD

Medical Director, Board Certified Plastic Surgeon

Dr. Steven Ringler

Dr. Steven L. Ringler is a board-certified Grand Rapids, Michigan plastic surgeon recognized nationally and internationally for his achievements and educational leadership in cosmetic and plastic surgery.

Dr. Ringler strives to provide his patients with exceptional quality outcomes that combine the latest in surgical and non-surgical advances with his own personal insight and expertise from his years of experience in helping patients achieve their personal goals. He is committed to the highest ethical standards and providing his patients with extraordinary customer service.

Gustav Lo, MD

Chief Medical Officer – RegenCen and Cosmetic Skin & Laser Center

Dr. Gustav Lo, MD

Dr. Gustav Lo brings over 30 years of clinical experience and medical leadership to RegenCen and Cosmetic Skin & Laser Center (CSLC), where he serves as Chief Medical Officer. As co-founder of the practice alongside Courtney Lo, PA, Dr. Lo provides medical oversight and clinical direction across RegenCen’s regenerative and hormone health services.

Dr. Lo leads and mentors the provider team in bioidentical hormone therapy, menopause and testosterone treatment, PRF joint injections, NAD+ therapy, and regenerative medicine. His background in primary care—including decades as founder and operator of Northern Michigan MedCenter—shapes the thoughtful, evidence-based care that defines RegenCen’s approach to aging and wellness.

A passionate educator and advocate for women’s health, Dr. Lo regularly speaks on the benefits of hormone optimization, working to dispel outdated myths and empower women with safer, modern options. He remains closely involved in provider training and treatment development, ensuring clinical consistency and excellence at every RegenCen location.

Outside of medicine, Dr. Lo is a dedicated father of four, an avid reader, and a certified scuba diver with a lifelong passion for learning and exploration.

Rajesh Vindhya, MD

Medical Director, Board Certified Internist and Geriatrician

Bio coming soon!