20 years experience
More than two decades of medical experience guiding evaluation, follow-up, and medication safety decisions.
Meet your physician
Saul F. Maslavi, MD — Founder & Owner, PeptideDoc
Instagram: @peptidedocmd
Board-Certified Family Medicine Physician | Peptide Medicine | Medical Weight Management | Functional & Integrative Medicine
Dr. Saul Maslavi is a board-certified Family Medicine physician with more than 20 years of medical experience, dedicated to helping patients improve their health, energy, body composition, and overall quality of life.
Product purchasing is available only to approved patients after a consultation and medical evaluation with Dr. Maslavi. Patient Shop Login

Based at PeptideDoc in Bayside, New York, Dr. Maslavi provides personalized, medically supervised care designed around each patient's individual health history, lifestyle, needs, and goals.
His areas of focus include functional and integrative medicine, medical weight management, peptide therapy, hormone optimization, and advanced wellness strategies. Rather than focusing only on symptoms, Dr. Maslavi takes a comprehensive approach to understanding the factors that may affect a patient's health, metabolism, energy, recovery, and long-term wellness.
Dr. Saul Maslavi has a particular interest in peptide medicine and individualized wellness therapies. Treatment recommendations are developed following a comprehensive medical consultation and, when appropriate, review of laboratory findings and other relevant health information.
His approach combines medical expertise with nutrition, exercise, lifestyle optimization, ongoing monitoring, and individualized treatment planning to help patients work toward sustainable health and wellness goals.
At PeptideDoc, patients receive direct medical guidance and a personalized care plan based on their individual circumstances. Dr. Maslavi determines which treatments and wellness strategies may be medically appropriate for each patient following evaluation.
More than two decades of medical experience guiding evaluation, follow-up, and medication safety decisions.
Dr. Maslavi practices under NPI 1134137383 with an active New York medical license.
Board-certified in Family Medicine, with treatment decisions made through medical consultation at PeptideDoc — Bayside, Queens.
Step 1
Comprehensive MD consultation in Bayside, NY, with lab review when appropriate.
Step 2
FDA-approved medication options and wellness strategies if clinically appropriate.
Step 3
Ongoing monitoring, RN training, and a personalized plan for approved patients.