About
S. Navy physician who attended medical school in Brooklyn, New York and completed an Internal Medicine residency at Portsmouth Naval Hospital in Virginia. He holds the distinction of Diplomate of the American Board of Internal Medicine. Before choosing private practice, he was a candidate to serve as Physician to President Reagan.
After his Navy career, Dr. Posner opened a private practice in Northern Virginia and has seen tens of thousands of patients over more than 30 years. He researched, developed, and patented an oral serotonin supplementation approach and founded the Serotonin-Plus Weight Loss Program, which has helped over 24,000 patients lose weight and expanded nationally to physicians across many states. He has authored three books and lectures nationally and internationally. He is passionate about helping men achieve higher levels of energy and longevity.
Education & Training
Medical School
Medical school in Brooklyn, NY
Residency
Internal Medicine Residency, Portsmouth Naval Hospital, Virginia
Certifications
Conditions Treated
Who is Dr. Posner right for?
Dr. Posner is a strong fit for adult men focused on energy, longevity, and hormone health. Patients seeking medically supervised weight loss benefit from his decades of specialized experience. Men navigating hormonal changes who want a structured, research-backed approach will find his methodology thorough. His background in preventive medicine makes him well-suited for patients who want to get ahead of long-term health risks.
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Frequently Asked Questions
Dr. Posner specializes in internal medicine, preventive medicine, and men's health. He has deep expertise in testosterone replacement therapy, weight loss, and longevity medicine. His clinical focus includes helping men improve energy levels and optimize their overall health as they age.
Yes, Dr. Posner holds the designation of Diplomate of the American Board of Internal Medicine. He completed his residency at Portsmouth Naval Hospital in Virginia and has practiced internal medicine for over 30 years.
Dr. Posner researched, developed, and patented an oral serotonin supplementation approach that forms the basis of the Serotonin-Plus Weight Loss Program. The program has helped over 24,000 patients lose weight. It has expanded nationally to physicians across many states.
Dr. Posner has practiced medicine for more than 30 years. S. Navy career, he opened a private practice in Northern Virginia and has seen tens of thousands of patients throughout his career.
S. Navy physician and was a candidate to serve as Physician to President Reagan. After completing his service, he transitioned to private practice in Northern Virginia, where he built his clinical career.
Dr. Posner focuses primarily on men's health, with a passion for helping men achieve higher energy levels and longevity. Patients interested in hormone optimization and medically supervised weight loss are a strong match for his practice.
Yes, Dr. Posner has authored three books and lectures both nationally and internationally. His published work and lectures reflect his expertise in weight loss, serotonin science, and preventive medicine.
Doctor profile last updated March 21, 2026