P: 212.772.7628 | F: 212.772.7062 103 East 75th Street, | New York, NY 10021


Dennis Gage, MD, FACP

Dr Dennis Gage | Endocrinologist Upper East Side NY

Endocrinologist in NYC

Dennis Gage, MD, FACP is a graduate of NYU Washington Square College, where he graduated Cum Laude and was a member of Phi Beta Kappa. Dr. Gage graduated from the NYU School of Medicine in 1976.

His residency was served at the Mount Sinai Hospital of New York and he completed a sub-specialty fellowship in Endocrinology, Metabolism, and Nutrition at St. Luke’s Medical Center.

He is currently a Board Certified Diplomate in the specialty of Internal Medicine and in the sub-specialties of Endocrinology, Metabolism, and Clinical Nutrition.

Affiliations & Research

Dr. Gage is affiliated as an Attending Physician at Lenox Hill Hospital and The Mount Sinai Medical Center. Dr. Gage has authored numerous articles and research papers on obesity, which have appeared in prestigious medical journals.

Dr. Gage is a Fellow of the American College of Physicians (FACP). He is a member of the American Medical Association, the Medical Society of the State of New York, the New York County Medical Society and is on the Medical Advisory board of Laniado Hospital Bildirici Center for Diabetes in Israel.

Dr. Gage has also written many research articles including;


Dr. Gage is the author of the book, The Thinderella Syndrome: A Practical Guide to Individualized Permanent Weight Loss. Dr. Gage has been in clinical practice for over 35 years and has successfully implemented the PLC Program in his New York City Park Avenue Office.

Meet Dr. Dennis Gage

Patient Testimonials

Testimonials | Park Avenue Endocrinology NYC | Manhattan “A really friendly, interesting, and competent doctor who goes way beyond the basics in trying to understand and manage your diabetes. This was my first visit with him and I was very favorably impressed.” – Michael R.

Testimonials | Park Avenue Endocrinology NYC | Manhattan “Gage is a pro. He answers all of your questions without taking up too much of your time. He really knows his stuff and is brilliant at explaining it. Thorough, charismatic guy with a great memory. Very glad to have him.” – Simon B.

Read More Testimonials About Dr. Gage

Contact Us today!

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