Meet Our Medical Experts Where You Are

We redefine consultations by directly connecting you with medical experts from the comfort of your home, ensuring every question leads to empowerment and progress so every client regains their prime.


Physicians that provide in-depth care

Opt Health Physicians work directly with you to provide personalized, in-depth care. They are not just experts in their fields but advocates for preventive health measures and personalized treatment plans that cater to the unique needs of each client.

John Tidwell

Chief Medical Officer

John Tidwell, CMO – Chief Medical Officer

Dr. John Tidwell is the Chief Medical Officer at Opt Health and an orthopaedic trauma surgeon dedicated to preventive medicine. His pursuit of disease prevention led him to earn a BHRT L1 certification from the Academy of Preventive and Innovative Medicine and receive training from the American Academy of Anti-Aging Medicine (A4M). A graduate of Georgia Tech and the Medical College of Georgia, Dr. Tidwell has a robust background in both engineering and orthopaedics. He has contributed extensively to orthopaedic research and has a passion for endurance sports, competing in marathons and triathlons.

  • Residency at West Virginia University Hospitals
  • Transitioned from top-tier engineering graduate at Georgia Tech to orthopaedic surgeon.
  • Graduating from the Medical College of Georgia in 2008, he completed residencies and fellowships at esteemed medical centers.
  • As a clinical instructor in orthopaedic surgery, he contributed to Community Regional Medical Centers in Fresno, CA.
  • Dr. Tidwell's research contributions include publications in prestigious journals and lectures across North America.
  • He balances his professional life with endurance challenges such as marathons and triathlons.

Graham Simpson

Medical Director

Graham Simpson, MD – Medical Director

Dr. Graham Simpson, a world-renowned expert in anti-aging, sexual rejuvenation, and diabesity, is dedicated to reversing lifestyle-caused chronic diseases. Board-certified in internal, age management, and emergency medicine, he also advocates for holistic health and preventive medicine. Dr. Simpson is a founding member of the American Holistic Medical Association and the author of several books on health and wellness.

  • Graduated from the University of Witwatersrand Medical School in Johannesburg, South Africa
  • Licensed homeopath and BHRT expert
  • Advocate of holistic and proactive health approaches
  • Authored books: WellMan: Live Longer by Controlling Inflammation, The Metabolic Miracle, The 4-Week Diabesity Cure
  • Co-authored Spa Medicine: Your Guide to the Ageless Zone and Eternity: A Guide to Immortality

Ranjit Ramasamy

Medical Advisor

Ranjit Ramasamy, MA – Medical Advisor

Dr. Ranjith Ramasamy, a leading expert on male infertility and sexual dysfunction, is the director of male reproductive medicine and surgery and an associate professor in the Department of Urology at the University of Miami. With extensive contributions to his field, he has published over 250 manuscripts and serves on multiple editorial boards. He leads significant clinical trials for erectile dysfunction and low testosterone treatment.

  • Graduated from UMDNJ Robert Wood Johnson Medical School
  • Completed urology residency at Weill Cornell Medical College and New York-Presbyterian Hospital
  • Completed a NIH-sponsored fellowship in male reproductive medicine and surgery at Baylor College of Medicine
  • Published over 250 manuscripts in peer-reviewed journals
  • Editorial board member for Andrology, Asian Journal of Andrology, and Urology
  • Editorial reviewer for Journal of Urology, Fertility and Sterility, European Urology, and British Journal of Urology
  • Leads clinical trials for erectile dysfunction and low testosterone treatment at the University of Miami

Jeremie Walker

Opt Health Physician

Jeremie Walker, MD, MBA – Opt Health Physician

Dr. Jeremie Walker, MD, MBA, transitioned from a decade of anesthesiology to focus on preventive medicine at Opt Health. He emphasizes natural and preventive health measures, advocating for lifestyle changes and hormone balance to enhance quality of life. Dr. Walker is committed to staying at the forefront of medical advancements and actively contributes to health and wellness

  • Completed medical training and residency at West Virginia University School of Medicine
  • Earned an MBA from West Virginia University
  • Former assistant director of anesthesia at Mount Carmel West, Columbus, OH
  • Currently practices at Atrium Health, Charlotte, NC
  • Member of the Academy of Preventive and Innovative Medicine and American Academy of Anti-Aging Medicine (A4M)
  • Advances education in functional medicine, BHRT, and Peptide Therapy
  • Practices functional training, clean eating, and prioritizes high-quality sleep
  • Enjoys recreational sports and outdoor activities with his dog, Nash

Anna Fleytmann-Pope

Opt Health Physician

Anna Fleytmann-Pope, DO – Opt Health Physician

Dr. Anna Fleytman-Pope, DO, transitioned from over a decade in emergency medicine to integrative medicine, emphasizing a personalized, holistic approach to healthcare. She joined Opt Health to empower patients to understand and care for their bodies. Board-certified in emergency medicine and a fellow of integrative medicine, she studied at Michigan State University and the University of Arizona. Dr. Fleytman-Pope enjoys reading, staying active, and exploring cultures through food with her family.

  • Studied at Michigan State University’s College of Osteopathic Medicine
  • Completed fellowship at the University of Arizona’s Andrew Weil Center for Integrative Medicine
  • Joined Opt Health to pursue a 360-degree approach to health
  • Enjoys reading, staying active, and exploring cultures through food with her husband and four sons
  • Believes in the importance of living a full experience and maintaining good health

Danny Molinar

Opt Health Physician

Danny Molinar, MD – Opt Health Physician

Dr. Danny Molinar, MD, brings a wealth of experience and a passion for patient-centered care to his role at Opt Health. With a background in family medicine, Dr. Molinar is dedicated to providing comprehensive medical evaluations and fostering meaningful relationships with his patients.

  • Bachelor’s degree in biology from St. Mary’s University of San Antonio, Texas
  • Medical degree from the American University of the Caribbean Medical School
  • Completed postgraduate training in family medicine at the University of Massachusetts Chan Medical School
  • Board-certified by the American Board of Family Medicine
  • Provides medical evaluations in English and Spanish
  • Draws on personal experience with Opt Health program to guide patient care
  • Enjoys outdoor activities like pickleball, paddleboarding, and golf
  • Aviation enthusiast who loves flying and exploring the world from above

Alejandro Arenas

Opt Health Physician

Alejandro Arenas, MD – Opt Health Physician

Dr. Arenas, a seasoned medical professional, is dedicated to bridging the gap between conventional and functional medicine. His commitment to preventive care and addressing root causes reflects his belief in proactive well-being.

  • Experienced medical professional advocating for the integration of conventional and functional medicine
  • Graduate of Tulane University with a Bachelor’s degree in political science and pre-med track
  • Completed medical education at the American University of the Caribbean School of Medicine
  • Residency in Anesthesiology and fellowship in Regional Anesthesiology and Acute Pain Medicine at the University of Washington
  • Esteemed member of the American Society of Anesthesiologists (ASA) and the American Medical Association (AMA)
  • Upcoming publication in the American Journal of Therapeutics on psychedelic therapy for mood disorders, schizophrenia, depression, and anxiety
  • Focus on exploring unconventional avenues in healthcare, including ketamine, ibogaine, DMT or ayahuasca, psilocybin, MDMA, and LSD
  • Fitness enthusiast dedicated to resistance training, functional exercise, biking, racket sports, and hiking
  • Advocates for holistic well-being through dietary interventions and exercise advice, aligning with functional medicine principles.

Samuel Sarmiento

Opt Health Physician Contributor

Samuel Sarmiento, MD, MPH, MBA – Opt Health Physician Contributor

Dr. Sarmiento, a physician, consultant, and entrepreneur, is dedicated to solving complex healthcare challenges. With a diverse background in surgery, public health, and business, he advocates for a preventive and personalized approach to medicine.

  • Completed internship in general surgery at Mayo Clinic
  • Holds master’s degrees in public health and business from Johns Hopkins University
  • Postdoctoral fellowship in clinical outcomes research at Johns Hopkins Hospital
  • Founder of Juniper Life Sciences, focusing on personalized, precise, and functional medicine solutions
  • Fellowship in medical journalism at NBC News, skilled in science communication
  • Author of numerous academic publications and book chapters
  • Peer reviewer in health economics for the British Medical Journal
  • Polyglot fluent in seven languages, advocate for a holistic approach to health
  • Passionate fitness enthusiast and advocate for overall well-being

Vinay Bhamidipati

Opt Health Physician

Vinay Bhamidipati, MD, MPH – Opt Health Physician

Dr. Vinay Bhamidipati, MD, MPH (Dr. Bhami) brings a unique blend of family medicine and public health expertise to Opt Health. With a focus on community health and preventive care, Dr. Bhami aims to transform healthcare by emphasizing patient-centered and functional medicine. Educated at Columbia University and the American University of the Caribbean, he combines his extensive training with a passion for improving overall health outcomes.

  • Earned an undergraduate degree in psychology from Columbia University
  • Completed a master’s in public health at Columbia University’s Mailman School of Public Health
  • Residency in family medicine at the University of Massachusetts in Worcester, MA
  • Believes in dedicating time to patients to help them understand and improve their health
  • Advocates for a new perspective in medicine, integrating prevention and functional approaches
  • Currently resides and practices in South Florida

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Have any questions?

For quick insights and support on your health journey, explore our curated FAQs.

Yes, our memberships ensure continuity of care so we can measure and monitor your progress and provide ongoing treatment recommendations.

We do accept HSA/FSA. However, every plan is different so please check with your provider.

Our consultations are conducted via video through our HIPAA-compliant telemedicine platform.

We ship all supplements and prescriptions from our pharmacy directly and discreetly to your home.

Depending on your plan, you will have 2-4 consultations per year after your initial consultation. However, our care team is available 24/7 for questions through the app.

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