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John J. Hayes, MD, FACC
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John J. Hayes, MD, FACC 

Marshfield Center
1000 N OAK AVE
MARSHFIELD,  WI  54449

Weston Center
3501 CRANBERRY BLVD
WESTON,  WI  54476

Appointment phone:
(715)387-5301 
(800)782-8581ext. 7-5301
 
Specialty 
Primary:Cardiology   
Additional:Cardiology - Electrophysiology   
Board Certifications 
Internal Medicine: 1988
Cardiovascular Disease: 1991 , recertified 2001
Clinical Cardiac Electrophysiology: 1992 , recertified 2002
State Licenses 
Wisconsin
Education 
Medical School:Rush University Medical Center - Rush Medical College,  Chicago,  IL,  United States,  M.D.  1985
Residency:Mayo School of Graduate Medical Education,  Rochester,  MN,  United States,  Internal Medicine  1988
Fellowship:University of Washington - School of Medicine,  Seattle,  WA,  United States,  Cardiology  1991
Academic Appointments 
Clinical Associate Professor, Department of Medicine-University of Wisconsin School of Medicine and Public Health, Madison, WI
Professional Societies 
American College of Cardiology
North American Society of Pacing & Electrophysiology
Wisconsin Medical Society
Clinical Expertise 
  • Angina Pectoris (Angina)
  • Aortic Valve Disease
  • Arrhythmia
  • Atherosclerosis
  • Atrial Fibrillation Ablation (Cardiac Catheter Ablation, Pulmonary Vein Isolation, PVI Ablation, Radiofrequency Catheter Ablation)
  • Atrial Flutter
  • Bradycardia
  • Cardiac
  • Cardiac Catherization
  • Cardiac Defibrillators
  • Cardiac Disease Prevention
  • Cardiac Pacing and Electrophysiology
  • Cardiology
  • Cardiology - Electrophysiology
  • Cardiovascular Disease
  • Cardiovascular Rehabilitation
  • Chest Pain
  • Cholesterol Disorders (Hypercholesterolemia, Lipid Disorders, High Cholesterol, Dyslipidemia)
  • Chronic Disease Management
  • Coarctation of the Aorta
  • Congestive Heart Failure (Cardiomyopathy, Diastolic Dysfunction, Diastolic Heart Failure, Dilated Cardiomyopathy, Heart Failure, Restrictive Cardiomyopathy, Systolic Heart Failure)
  • Coronary Artery Disease (CAD, Coronary Heart Disease, Ischemic Heart Disease)
  • Endocarditis
  • Exercise Stress Testing
  • Heart Attack (Acute MI, Acute Myocardial Infarction, Cardiac Arrest, Myocardial Infarction, Ventricular Fibrillation)
  • Heart Care (Cardiac Care)
  • Heart Catheterization (Coronary Angiogram)
  • Heart Valve Disease
  • Hemostasis
  • Hyperlipidemia
  • Hypertrophic Cardiomyopathy (Asymmetrical Septal Hypertrophy (ASH), Brock's Disease, Muscular Subaortic Stenosis, Teare's Disease)
  • Implantable Defibrillators
  • Long QT Syndrome
  • Marfan Syndrome
  • Mitral Valve Disease
  • Myocarditis
  • Myopathies
  • Non-Invasive Clinical Cardiology
  • Pacemakers
  • Preventive Cardiology
  • Pulmonary Hypertension
  • Pulmonary Valve Disease
  • Stress Echo
  • Stress Testing
  • Tachycardia (Fast Heartbeat)
  • Tricuspid Valve Disease
  • Valvular Heart Disease
  • Wolff-Parkinson-White Syndrome (Accessory Pathway, Atrioventricular (AV) Reentrant Tachycardia, WPW Syndrome)