Marc Schwartz, MD, specializes in gastroenterology and is certified by the American Board of Internal Medicine. He practices at University of Pittsburgh Physicians, Department of Medicine, Division of Gastroenterology, and is affiliated with UPMC McKeesport, UPMC Horizon, UPMC Mercy, UPMC Shadyside, and UPMC Presbyterian. He completed his residency at the University of Michigan Medical School, medical degree at the University of Pennsylvania School of Medicine and fellowship at the University of Chicago Medical Center.