Dr. John Mahowald is a General Physician,Cardiologist and Cardiac Electrophysiologist in Indianapolis 46222, INDIANAPOLIS and has an experience of 41 years in these fields. Dr. John Mahowald practices at Witham Health Services in Indianapolis 46222, INDIANAPOLIS. He completed Medical School from UNIVERSITY OF MINNESOTA / SAINT PAUL CAMPUS in 1980,Medical degree, DO from University Of Minnesota Medical School in 1983 and Residency in Internal Medicine from Highland Hospital, Alameda Health System in 1980. He is a member of American College of Cardiology. Some of the services provided by the doctor are: Pharmacologic Stress Test, Adenosine,Pharmacologic Nuclear Stress Test,Hyperkalemia,Vascular Duplex Ultrasonography and Plethysmography and Atypical Atrial Flutter etc.