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Jeff Costanzo
Assistant Professor of Medicine
Department of Medical Education
North Campus

Geisinger Commonwealth School of Medicine
Medical Sciences Building
525 Pine St.
Scranton, PA 18509

Assistant Professor of Medicine


Jeffrey Costanzo, MD, worked in business and construction management after college prior to completing a postbaccalaureate program at Bryn Mawr College before medical school. He completed a gastroenterology fellowship then moved back to Scranton, his hometown, to join a private practice. Dr. Costanzo’s professional interests include nutrition, weight loss, obesity management and general GI. Outside of work, he is an avid fitness enthusiast, Crossfit trainer and Olympic weightlifter.


Undergraduate – Lehigh University 
MD – Thomas Jefferson Medical College 
Internal Medicine Residency – University of Michigan 
Gastroenterology Fellowship – Cooper University Hospital