
Medical Registration Verified
Dr. John Schaeffer is a General Physician,Cardiologist and Internal Medicine in Elyria 44035, Elyria OH and has an experience of 46 years in these fields. Dr. John Schaeffer practices at North Ohio Heart Inc. in Elyria 44035, Elyria OH,North Ohio Heart Center Inc in Lorain 44053, Lorain OH and Specialty Hospital of Lorain in Amherst 44001, Amherst OH. Some of the services provided by the doctor are: Cardiomegaly,Ventricular Septal Defect,Patent Foramen Ovale (PFO),Hypokalemia and Pulmonary Valve Disease etc.
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129 Surgeries & Treatments

Chronic hypertension

Tilt Testing

Tobacco Use
Cardiovascular Disease
Cardiology
Cardiac Stress Test
Cardiac Electrophysiology
Adult Congenital Heart Disease
Obesity
obesity