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.
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Clinical Leadership

Clinical Leadership in Hormone Health and Menopause Care | RegenCen
Where clinical oversight ensures consistent, safe and confidence-building care.
Amanda Greene, PA-C, is a Menopause Society Certified Practitioner specializing in hormonal health and regenerative wellness. She leads clinical operations and provider development at RegenCen, shaping the care experience at our hormone and wellness clinics near me in Traverse City, Petoskey, Ann Arbor, Bloomfield Hills, Naples, Palm Beach, Winter Park, and more.
With experience in women’s health and gynecology, she ensures responsible, science-guided care that supports better energy, balance and long-term wellbeing across RegenCen’s Michigan and Florida communities.
How Amanda Strengthens RegenCen Care
Menopause and Perimenopause Care Oversight
Guiding personalized care protocols for symptoms including hot flashes, mood shifts, weight changes, sleep disruption and brain fog.
→ Explore menopause treatment near me at RegenCen
Bioidentical Hormone Replacement Therapy (BHRT) Leadership
Overseeing safe and effective hormonal care including topical and pellet estrogen and testosterone therapy for women and men.
→ Learn more about BHRT near me in Michigan and Florida
Testosterone Therapy Support for Men
Ensuring consistent TRT protocols that support stamina, motivation, strength and healthy intimacy.
→ Testosterone therapy near me in Palm Beach County and Northern Michigan
ED Treatment Guidance
Support for evidence-based erectile dysfunction treatment that strengthens sexual wellness and confidence.
→ ED treatment near me for men seeking renewed performance
Medical Weight Loss Program Development
Leading GLP-1 weight loss clinic protocols using semaglutide and tirzepatide for safe, sustainable fat loss and metabolic health.
→ Semaglutide weight loss near me at RegenCen clinics
Peptide Therapy for Energy, Recovery, and Healthy Aging
Personalized peptide therapy designed to support metabolism, body composition, sleep, energy, recovery, and healthy aging.
→ Explore peptide therapy offered at RegenCen
PRF Hair Restoration and Joint Wellness Integration
Helping providers deliver regenerative solutions that reduce discomfort and support active living.
→ PRF treatment options near me for mobility and confidence
Vaginal Rejuvenation Education and Support
Guiding treatments such as MorpheusV, VTone, FormaV and PRF Sexual & Vaginal Rejuvenation to support comfort, intimacy and bladder health.
→ Explore vaginal rejuvenation near me in Michigan and Florida
NAD+ Therapy Guidance
Ensuring responsible, science-aligned use of NAD+ therapy for cellular energy, cognitive support and healthy aging.
→ NAD+ IV therapy at RegenCen clinics near me
Why Patients Trust Amanda and RegenCen
- Advanced training & certifications: Leadership rooted in clinical experience and compassion. Leader at CSLC & RegenCen University. Menopause Society Certified Practitioner (MSCP).
- Clinical foundation in women’s health: Thoughtful guidance that supports the full picture of hormonal and midlife care.
- Training that elevates every provider: Amanda mentors and certifies RegenCen clinicians in modern hormone and regenerative care.
- Consistent RegenCen standards across Michigan and Florida: Trusted expertise from Northern Michigan to Metro Detroit and from Wellington to Naples.
You deserve care that feels personal and truly supportive. Amanda’s leadership helps make that possible at every RegenCen visit.
About Amanda Greene, PA-C

Clinical Leadership in Hormone Health and Menopause Care | RegenCen
Where guidance feels personal and results help you feel like yourself again.
Anna Donaghy, NP-C is a Menopause Society Certified Practitioner (MSCP) who provides hormone and regenerative wellness care at RegenCen in Traverse City, helping patients restore energy, balance and confidence through personalized perimenopause and menopause treatment, testosterone therapy and support for erectile dysfunction and sexual wellness. She understands how unsettling it can feel when your body starts changing in unexpected ways, and her goal is to ensure you never have to navigate that alone.
If you have been dealing with hot flashes, restless nights, fatigue, low libido, vaginal dryness, thinning hair, stubborn weight gain, brain fog or intimacy changes, Anna takes her time uncovering what is really going on. Whether you have been searching for hormone doctor Traverse City or menopause treatment near me, she helps you create a plan that feels hopeful, manageable and tailored to your life.
Anna is rooted in women’s health and midlife wellness, bringing thoughtful guidance and clinical precision to every conversation. Patients from Traverse City, Suttons Bay, Elk Rapids, Leelanau County and across the Grand Traverse Bay region trust her for safe, responsible care that supports long-term vitality, confidence and everyday comfort.
Services Anna Provides in Traverse City
Perimenopause and Menopause Treatment with Bioidentical Hormones
Personalized hormone plans using estrogen and testosterone to improve sleep disruption, mood shifts, hot flashes, thinning hair and everyday comfort.
→ Expert menopause care at a women’s health clinic near me in Traverse City
Testosterone Therapy and ED Support for Men
Customized hormone optimization that supports stamina, motivation, sexual performance and confidence for men experiencing Low T.
→ Testosterone and ED treatment in Grand Traverse County
Medical Weight Loss with GLP-1 Medications
Semaglutide and tirzepatide programs designed for safe, sustainable fat loss and improved metabolism.
→ Semaglutide and tirzepatide weight loss in Northern Michigan
Peptide Therapy for Energy, Recovery, and Healthy Aging
Personalized peptide therapy designed to support metabolism, body composition, sleep, energy, recovery, and healthy aging. Treatments may include GLP-1 medications, sermorelin, and PRP, depending on your goals and provider recommendations. Ideal for patients seeking peptide therapy in Traverse City.
→ Explore peptide therapy in Traverse City, MI
PRF Joint Wellness and Regenerative Care
Natural joint support using PRF to reduce stiffness and keep you moving comfortably.
→ PRF joint therapy in Traverse City
Vaginal Rejuvenation for Comfort and Confidence
Treatments that improve bladder control, intimacy, lubrication and pelvic comfort during hormonal changes.
→ Vaginal rejuvenation options at RegenCen Traverse City
Why Patients Trust Anna and RegenCen
- Advanced training & certifications: Menopause Society Certified Practitioner (MSCP) in Traverse City. Lead trainer at RegenCen University and skilled in understanding the full picture of midlife wellness.
- Warm, approachable care: She listens closely and makes sure you feel supported every step of the way.
- Clear education & empowering guidance: You understand what is changing and why, so decisions feel confident.
- Trusted in Northern Michigan: Patients from Traverse City, Leelanau County and the Grand Traverse Bay region choose Anna for care that improves how they live every day.
You deserve to feel strong, capable and comfortable in your body. Schedule your consultation. Anna is here to help you feel like yourself again.
About Anna Donaghy, NP-C

Clinical Leadership in Hormone Health and Menopause Care | RegenCen
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, 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 perimenopause treatment, testosterone treatment, PRF joint/hair injections, NAD+ therapy, peptides, 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.
About Gustav Lo, MD
Your Wellness & Hormone Health Experts

Menopause Treatment, Hormone Replacement Therapy and Medical Weight Loss in Wellington & Palm Beach | RegenCen
Supportive care that restores balance, resilience, and confidence from the inside out.
Samiha Rahman, PA-C is a Menopause Society Certified Practitioner (MSCP) providing menopause treatment and hormone replacement therapy at RegenCen’s women’s health and hormone clinics in Wellington, Palm Beach, Hobe Sound, and Traverse City. She understands how dramatically hormonal changes can impact sleep, metabolism, mood, and intimacy — and believes no one should ever feel dismissed or told their symptoms are “just part of getting older.”
Samiha takes time to listen, explain what’s happening beneath the surface, and build a plan that feels realistic and encouraging. Patients trust her calm presence, thoughtful communication, and deep commitment to helping them move forward feeling clearer, stronger, and more like themselves again.
With advanced training in regenerative and metabolic wellness, Samiha supports women navigating perimenopause and menopause using bioidentical hormone replacement therapy with estrogen, testosterone therapy, and symptom-specific protocols. She also treats low testosterone in men, including discreet guidance for sexual wellness concerns such as low libido and ED. Her goal is always lasting improvement in energy, strength, and confidence.
Services Samiha Provides in Wellington, Palm Beach and Traverse City
Menopause and Perimenopause Treatment
Personalized relief for hot flashes, mood shifts, night sweats, brain fog, and vaginal dryness at our women’s health clinic near me in Palm Beach County.
→ Explore perimenopause treatment near me in Wellington and Palm Beach
Bioidentical Hormone Replacement Therapy (BHRT)
Tailored hormone plans to support metabolism, clarity, healthy intimacy, and long-term wellbeing.
→ Learn more about hormone replacement therapy in Wellington and Palm Beach
Testosterone Therapy for Women and Men
Clinically guided testosterone support to improve strength, stamina, motivation, and sexual wellness.
→ See how TRT near me helps men feel like themselves again
Discreet ED Treatment for Men
Results-focused, compassionate care for performance changes and intimacy confidence.
→ Learn about ED treatment near me in Traverse City
Medical Weight Loss with GLP-1 Therapies
Physician-monitored semaglutide and tirzepatide programs to improve metabolic health and fuel sustainable fat loss.
→ Discover medical weight loss at our hormone clinic
Peptide Therapy for Energy, Recovery, and Healthy Aging
Personalized peptide therapy designed to support metabolism, body composition, sleep, energy, recovery, and healthy aging. Treatments may include GLP-1 medications, sermorelin, and PRP, depending on your goals and provider recommendations. Ideal for patients seeking peptide therapy in The Greater Wellington area.
→ Explore peptide therapy in Wellington, Palm Beach, Traverse City, and more
Vaginal Rejuvenation for Comfort and Confidence
MorpheusV, FormaV, VTone, and the PRF Sexual & Vaginal Rejuvenation to enhance pelvic floor function, lubrication, and sexual confidence.
→ Explore vaginal rejuvenation near me in Palm Beach County
PRF Hair Restoration and Joint Relief
Natural PRF injections that stimulate hair regrowth and improve joint comfort so you can stay active longer.
→ Learn about PRF hair and joint treatment near me
Why Patients Trust Samiha and RegenCen
- Specialized expertise & certifications: Menopause Society Certified Practitioner in Wellington with advanced training through RegenCen University under Gustav Lo MD and Amanda Greene Chief Clinical Officer.
- Compassion with clarity: She listens deeply, explains why changes are happening, and builds personalized plans that truly help.
- Local care: Proudly supporting patients across Wellington, Wellington Green, Palm Beach Gardens, West Palm Beach, Lake Worth, Hobe Sound, and Traverse City.
- Sustainable results: Care designed to improve energy, comfort, and confidence — not just today, but for years ahead.
You deserve to feel balanced, energized, and fully yourself again. Schedule a visit with Samiha at our Wellington or Palm Beach hormone clinic near me and take your first step toward renewed vitality.
About Samiha Rahman, PA-C

Menopause Treatment, Hormone Therapy & Medical Weight Loss in Traverse City | RegenCen
Where compassionate care and solutions support how you feel every day.
Elizabeth (Liz) Gapske, PA-C is a trusted Menopause Society Certified Practitioner (MSCP) and menopause specialist providing menopause treatment, hormone therapy for women, and medical weight loss at RegenCen’s women’s health and hormone clinic in Traverse City and Suttons Bay. She understands how shifts in mood, energy, sleep, and metabolism can impact your confidence and daily life, and she ensures you never feel brushed off or told your symptoms are “just part of aging.”
Elizabeth takes the time to listen, explain what may be happening with your hormones, and design a plan that feels supportive and personalized. Her patients appreciate how she builds trust and helps them feel clearer, more confident, and more like themselves again.
With a strong background in family medicine, Elizabeth blends whole-body understanding with regenerative and metabolic therapies to support women throughout Traverse City, Suttons Bay, and Leelanau County. Her steady, expert guidance helps reduce hot flashes, sleep disruption, mood changes, weight gain around the middle, and other frustrating symptoms that come with hormonal imbalance.
Services Elizabeth Provides in Traverse City and Suttons Bay
Menopause and Perimenopause Treatment
Personalized care to relieve hot flashes, brain fog, mood changes, and sleep disruption so you can feel steady again.
→ Explore perimenopause treatment near me in Traverse City
Bioidentical Hormone Replacement Therapy (BHRT)
Tailored hormone support to improve metabolism, cognitive clarity, low libido, and healthy intimacy.
→ Learn more about hormone therapy near me in Suttons Bay
Medical Weight Loss with GLP-1 Therapies
Supportive programs that combine medication with lifestyle guidance to improve metabolic health and achieve sustainable fat loss at our trusted weight loss clinic near me.
→ Discover medical weight loss in Traverse City and Suttons Bay
Peptide Therapy for Energy, Recovery, and Healthy Aging
Personalized peptide therapy designed to support metabolism, body composition, sleep, energy, recovery, and healthy aging. Treatments may include GLP-1 medications, sermorelin, and PRP, depending on your goals and provider recommendations. Ideal for patients seeking peptide therapy in Traverse City.
→ Explore peptide therapy in Traverse City and Suttons Bay
Vaginal Rejuvenation for Comfort and Confidence
MorpheusV, FormaV, VTone, and PRF Sexual & Vaginal Rejuvenation therapies that support sexual wellbeing, comfort, pelvic floor function, and natural lubrication.
→ Learn more about vaginal rejuvenation in Traverse City
Regenerative Hair and Joint Relief
Natural, minimally invasive therapies that restore function and comfort so you can stay active.
→ Learn about PRF regenerative treatments in northern Michigan
Why Patients Trust Elizabeth and RegenCen
- Advanced training & certifications: Menopause Society Certified Practitioner and RegenCen University trained under Gustav Lo MD and Amanda Greene Chief Clinical Officer.
- Comprehensive, compassionate care: A provider who finds what’s changing and why, instead of masking symptoms.
- Trusted expertise: Hormone and regenerative wellness specialist serving women throughout Traverse City, Suttons Bay, and northern Michigan.
- Lasting results: Personalized plans that support comfort, confidence, and long-term wellbeing.
You deserve to feel clear, strong, and fully yourself again. Schedule a visit with Elizabeth at RegenCen in Traverse City or Suttons Bay and begin your path to balanced hormones and renewed vitality.
About Elizabeth Lozen, PA-C

Hormone Therapy, Weight Loss & Regenerative Medicine in Petoskey & Traverse City | RegenCen
Where personalized care starts with understanding you.
Natalie Larkin, NP-C, provides bioidentical hormone replacement therapy, medical weight loss, peptide therapy, and regenerative medicine at RegenCen in Petoskey and Traverse City, Michigan. Warm, thorough, and highly focused on patient education, Natalie takes time to understand each patient's symptoms, health history, and goals before creating a personalized treatment plan.
Natalie brings seven years of ICU nursing experience across surgical, medical, neurological, and cardiovascular intensive care. Her critical-care background ultimately inspired her to pursue a more proactive approach to medicine, focused on disease prevention, health promotion, and helping patients improve how they feel day to day.
After becoming a Nurse Practitioner, Natalie expanded her experience into nutritional counseling, medical weight loss, body recomposition, and peptide therapy. She has a particular interest in helping women navigate perimenopause and menopause and brings a thoughtful, research-informed approach to hormone health, wellness, and longevity.
Services Natalie Provides in Petoskey & Traverse City, Michigan
Bioidentical Hormone Replacement Therapy (BHRT)
Personalized hormone therapy for women and men experiencing concerns such as fatigue, low energy, sleep changes, low libido, mood changes, and changes in body composition. Natalie considers each patient’s symptoms, health history, and goals when developing an individualized hormone treatment plan.
→ Learn more about bioidentical hormone replacement therapy in Petoskey
Menopause and Perimenopause Treatment
Individualized hormone care for women experiencing hot flashes, brain fog, sleep disruption, mood changes, low libido, weight changes, and other symptoms associated with perimenopause and menopause. Natalie has a particular interest in helping women understand the hormonal changes that can occur during this stage of life and creating a plan tailored to their individual concerns and goals.
→ Explore perimenopause treatment in Northern Michigan
Medical Weight Loss with GLP-1 Therapies
Personalized medical weight loss and peptide therapy designed around each patient’s metabolism, appetite, body composition, health history, and goals. With a background in nutritional counseling and body recomposition, Natalie can incorporate nutrition education, individualized macronutrient guidance, and strength-training recommendations into a more comprehensive approach to weight management.
→ Learn about medical weight loss in Traverse City
Peptide Therapy for Energy, Recovery, and Healthy Aging
Personalized peptide therapy designed around goals such as metabolism, body composition, sleep, energy, recovery, and healthy aging. Treatments may include GLP-1 medications and sermorelin, depending on individual goals and provider recommendations. Natalie combines her experience with peptide therapy and her interest in longevity-focused medicine to help patients understand which options may fit into their overall treatment plan.
→ Explore peptide therapy at RegenCen
PRF Hair Restoration and Joint Relief
Platelet-rich fibrin uses components derived from the patient’s own blood as part of a regenerative approach to joint concerns and hair thinning. Natalie provides PRF injections for patients seeking improved joint comfort and mobility or healthier hair growth.
→ Explore PRF treatments at RegenCen
Treatment for ED & Men's Sexual Wellness
PRF injections may be incorporated into an individualized treatment plan for erectile dysfunction and men’s sexual wellness. Natalie approaches these conversations with discretion and compassion while helping patients understand their treatment options.
→ Learn about regenerative treatments for men’s sexual wellness
IV Therapy & Wellness Injections
Natalie offers IV therapy and intramuscular injections including NAD+, B Fit, and vitamin D as part of personalized wellness plans based on each patient’s individual needs and goals.
→ Explore IV therapy and wellness injections at RegenCen
Why Patients Trust Natalie and RegenCen
- Advanced training & certifications: Natalie is an AANP-certified Family Nurse Practitioner with seven years of ICU nursing experience spanning surgical, medical, neurological, and cardiovascular intensive care. Her experience caring for medically complex patients informs the thoughtful, detail-oriented approach she brings to regenerative medicine. Specialized training through RegenCen University under Gustav Lo, MD and Amanda Greene Chief Clinical Officer.
- A focus on education: Natalie believes patients should understand the why behind their care. She takes time to explain treatment options and help patients better understand how hormones, nutrition, metabolism, body composition, and lifestyle can work together.
- Nutrition & body composition expertise: Her background includes nutritional counseling, individualized macronutrient guidance, medical weight loss, body recomposition, and strength-training recommendations, allowing her to take a more comprehensive approach to metabolic health.
- Personalized care: Natalie recognizes that patients with similar symptoms can have very different health histories, lifestyles, and goals. She considers those differences when creating individualized treatment plans.
Natalie serves patients throughout Petoskey, Traverse City, and surrounding Northern Michigan communities, including Harbor Springs, Charlevoix, Bay Harbor, Suttons Bay, and the greater Grand Traverse region. Her goal is to build lasting relationships with her patients while helping them feel informed, confident in their care, and empowered to take a more proactive approach to their long-term health.
About Natalie Larkin, NP-C

Regenerative Care in Traverse City, MI
Originally from Santa Cruz, California, Danielle moved to Traverse City and quickly became an integral part of CSLC and RegenCen, 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 and 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 and RegenCen extraordinary.
About Danielle DuFord
Medical Directors
Clinical Leadership in Hormone Health and Menopause Care | RegenCen
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, 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 perimenopause treatment, testosterone treatment, PRF joint/hair injections, NAD+ therapy, peptides, 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.






















