JOHN C. TSAI, M.D. is on the active staff at Mercy Medical Center and Aultman Hospital in the Department of Internal Medicine, sub-specialty Cardiology. Dr. Tsai is on the active staff of Massillon Community Hospital and Twin City Hospital.

Dr. Tsai, a Cleveland native, received his medical degree from The Ohio State University College of Medicine. He completed a residency in Internal Medicine at The Cleveland Clinic Foundation. He also completed a fellowship in Cardiology at Loyola University of Chicago.

Dr. Tsai is certified by the American Board of Internal Medicine and is Board Certified in Cardiovascular Diseases. He is a fellow of the American College of Cardiology and a member of the American College of Physicians.

Dr. Tsai is part of Cardiology One, Inc., with Steven C. Hirsch, M.D., Mohamad S. Kassir, M.D., and Brian E. Simmons, M.D., Patricia J. Rubin, M.D., Todd L. Johnson, M.D., Firas M.A. Hamdan, M.D. and Makilzhan Shanmugam, M.D. The primary office is located at 4466 Fulton Dr., NW, Canton, Ohio 44718. The office phone number is (330) 489-1386.