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John S. Gregg, MD

Facilities 119 Professional Center
Groups IRMC Physician Group
Status Active
Medical school University of Pittsburgh, Pittsburgh, PA, 1973
Fellowship school Allegheny General Hospital, Pittsburgh, PA, 1976-1978
Internship VA Hospital, Georgetown University, Washington, DC, 1973-1974
Residency VA Hospital, Georgetown University, Washington, DC, 1974-1976
Board certification

Internal Medicine (Cardiovascular Disease)

Dr. Gregg is a cardiologist who is board-certified in cardiology, internal medicine, and echocardiography. He is originally from Pittsburgh and received his medical degree from the University of Pittsburgh.

After his education, Dr. Gregg completed an internal medicine residency and internship at V.A. Hospital in Washington, DC. He then completed a fellowship in cardiology at Allegheny General Hospital in Pittsburgh.

Dr. Gregg has been practicing in the Indiana community since 2003. During that time, he has utilized his knowledge and experience to provide diagnostic and clinical care to a broad spectrum of patients.

He has held memberships with the Pennsylvania Medical Society, the American Medical Association, the Allegheny County Medical Society, and the American Society of Echocardiography. Accordingly, Dr. Gregg has held fellowships with the American College of Cardiology, the Society of Cardiac Angiography and Intervention, and the American College of Angiology.

Outside of his professional work, Dr. Gregg enjoys spending time with family, biking, and swimming. He is also active in two competitive Internet chess groups.


Open Hours

8:00 - 5:00 p.m.