A New Standard in Hormone and Regenerative Care
Dr. Collins founded SAMM with a simple belief: healthcare should go beyond treating symptoms—it should focus on optimizing how patients feel, function, and live.
That philosophy continues to shape every treatment and patient experience today.
Why choose us?
Our team is comprised of seasoned professionals with extensive backgrounds in integrative medicine, bioidentical hormone therapy, and longevity treatments. We are deeply dedicated to providing the best possible treatment for our patients.
We believe in your health potential
Looking your best and feeling healthy are key to living a fulfilling life. With our personalized care, your best years are still ahead of you.
We provide the best possible patient experience
Tailoring our care to each individual's unique needs is core to our treatment approach. We know that one size does not fit all.
We want to earn your trust
Your health, wellness, and quality of life are always at the heart of what we do.
Conventional approaches are not working
Our team has seen firsthand that the normal approach to patient care is not working. Addressing these shortcomings is what motivates us at Savannah Age Management.
Recognized For Excellence In Savannah & Beyond
These recognitions reflect our commitment to delivering high-quality aesthetic and wellness services in the Savannah area.










Meet Our Experts
With years of experience in integrative medicine and hormone therapy, our experts are here to create personalized solutions that help you feel your best.

Dr. Harry S. Collins, DO, FACOG
Medical Director · Age Management Medicine Specialist
Dr. Collins founded SAMM after a career that included residency at Walter Reed and retiring as a Lt. Colonel in the U.S. Army Medical Corps. He is a Life Fellow of ACOG, certified in Age Management Medicine through Cenegenics, and focuses on bioidentical hormone optimization.
Read Dr. Collins full bio →
Evelia Johnsen, MSN, FNP-C
Family Nurse Practitioner
A former Army combat and flight medic and ER nurse, Evelia now specializes in bioidentical hormone therapy and aesthetic medicine. She has a special focus on helping women through perimenopause and menopause, which she sees as a time of renewal, not something to simply get through.
Read Evelia’s full bio →
Sarah Mankin, FNP-BC
Family Nurse Practitioner
With more than 25 years in family medicine and women’s health, Sarah looks beyond lab results to each patient’s symptoms, history and lifestyle. She makes sure patients understand the “why” behind their care so they feel confident in their plan.
Read Sarah’s full bio →
Emily Sellars, BSN, RN
Medical Weight Loss Coach
Emily is a registered nurse with more than a decade of experience. She coaches SAMM patients on weight loss and metabolic health, working with the care team to build an individualized plan for each patient.
Read Emily’s full bio →
Sarah Malone, MSN, WHNP
Women's Health Nurse Practitioner
Why live to 90 if you’re going to feel 90?” A Duke-trained nurse practitioner and Army Nurse Corps veteran, Sarah focuses on hormone optimization, PCOS, sexual wellness, and perimenopause and menopause care. She offers a judgment-free space for women to talk openly about their health
Read Sarah’s full bio →
Tamara Bell
Exercise Physiologist and Nutritionist
A SAMM team member for 10 years, Tamara holds a B.S. in Kinesiology and builds personalized fitness and nutrition plans to help patients reach their goals.
Read Tamara’s full bio →
Brittany Moore
Patient Service Specialist
Brittany brings a business management background and front-office experience to SAMM. She keeps the clinic running smoothly and makes sure every patient feels welcome from the first call.
Read Brittany’s full bio →
Ayanna Peterson
Certified Clinical Medical Assistant (CCMA)
Ayanna Peterson is a dedicated Certified Clinical Medical Assistant with over six years of experience in healthcare, specializing in patient care, women’s health, and clinical support. With a background in both obstetrics and gynecology and pediatric care, she brings a compassionate, patient-centered approach to every interaction. Ayanna is passionate about helping patients feel comfortable, informed, and confident throughout their healthcare journey.
Read Ayanna’s full bio →As seen on


Woman of Influence: Raechel Halbert
Q&A With Women Who Are Making A Difference In Pooler & Chatham County
Mar 4, 2026
As part of the Women of Influence issue, Raechel Halbert of Savannah Age Management Medicine shares her journey of building a growing wellness practice.
READ FULL ARTICLE HERE
Savannah Age Management Medicine Celebrates Grand Opening Of Statesboro Location
October 3, 2025
Savannah Age Management Medicine, a leader in proactive healthcare, has officially opened its second location with a…
READ FULL ARTICLE HEREReady To Transform Your Health?
Take the first step towards a healthier, more vibrant you.





