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Physician HeadShot

Marcus D. Goncalves, MD

Endocrinology, Diabetes and Metabolism
Internal Medicine (Board Certified)
Office Phone: (646) 962-8690


I am an endocrinologist and laboratory scientist interested in the ways the body stores and metabolizes nutrients. My lab uses animal models and human clinical trials to understand the effects of diet (e.g. ketogenic, HFCS) and cancer on the metabolic pathways that control fat and muscle mass. My clinical practice is focused on conditions that are associated with the loss of skeletal muscle mass (low testosterone, diabetes, fatty liver disease, cancer cachexia, etc), and I am eager to develop strategies/treatments that protect muscle.

Area of Expertise

Please contact the doctor's office to verify that your insurance is accepted.


Aetna [Weill Cornell Employee Plan]


Empire Blue Cross Blue Shield [NYPH Employees Only]

Oxford Health Plans


Rockefeller University - CoreSource



University of Pennsylvania School of Medicine

Internship: NewYork-Presbyterian Hospital/Weill Cornell Medical Center

Residency: NewYork-Presbyterian Hospital/Weill Cornell Medical Center

Fellowship: NewYork-Presbyterian Hospital/Weill Cornell Medical Center