About
Dr. Gary Merlino brings decades of internal medicine experience to his patients in Miami Beach. A South Florida native, he earned a Bachelor of Arts from the University of South Florida and a Bachelor of Science from Florida International University. He then graduated from Southeastern University of the Health Sciences with a Doctorate in Osteopathic Medicine in 1992. He completed his Internal Medicine residency at Mount Sinai Medical Center in 1996.
Dr. Merlino holds board certification from the American Board of Internal Medicine. He also serves as a Fellow of the American College of Physicians and a Fellow of the American College of Osteopathic Internists. At Mount Sinai, he directs the Osteopathic Internal Medicine Residency Program. He also serves as Assistant Dean of Clinical Studies at Nova Southeastern University's College of Osteopathic Medicine. Outside medicine, he co-founded the Sabina Merlino Memorial Fund, a charity supporting local cancer patients.
Education & Training
Undergraduate
Bachelor of Arts, University of South Florida; Bachelor of Science, Florida International University
Medical School
Southeastern University of the Health Sciences (now Nova Southeastern), Doctorate in Osteopathic Medicine, 1992
Residency
Internal Medicine Residency, Mount Sinai Medical Center, Miami Beach, completed 1996
Certifications
Conditions Treated
Who is Dr. Merlino right for?
Dr. Merlino is a strong fit for adults seeking an experienced internist with deep roots in South Florida medicine. Patients managing chronic conditions such as diabetes, hypertension, or heart disease benefit from his preventive focus. His decades of clinical experience make him well-suited for patients who want a seasoned physician guiding their long-term health. Adults interested in comprehensive annual assessments and proactive care planning will find his approach a natural match.
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Frequently Asked Questions
Dr. Merlino specializes in internal medicine and preventive medicine. He focuses on chronic disease management, comprehensive health assessments, and coordinating care across specialists. His preventive approach means he works with patients on diet, exercise, family history, and long-term health goals from the very first visit.
Yes, Dr. Merlino holds board certification from the American Board of Internal Medicine. He also holds fellowship status in the American College of Physicians and the American College of Osteopathic Internists.
Dr. Merlino earned his Doctorate in Osteopathic Medicine from Southeastern University of the Health Sciences in 1992. He completed his Internal Medicine residency at Mount Sinai Medical Center in Miami Beach in 1996.
Yes, Dr. Merlino directs the Osteopathic Internal Medicine Residency Program at Mount Sinai Medical Center. He also serves as Assistant Dean of Clinical Studies at Nova Southeastern University's College of Osteopathic Medicine.
Dr. Merlino treats a broad range of conditions including diabetes, high blood pressure, and heart disease. He also manages prescribed medications, weight, and allergy care as part of a comprehensive internal medicine practice.
Members can contact Dr. Merlino directly by cell, text, or email after hours. During office hours, members reach a live person at the practice.
Yes, Dr. Merlino co-founded the Sabina Merlino Memorial Fund, a charity that supports local cancer patients in South Florida.
Doctor profile last updated March 21, 2026