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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Hayes:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

5.0
  •  
(3)
Patient comments (0)

The overall average patient rating of Dr. John Hayes is Excellent. Dr. Hayes has been reviewed by 3 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
  •  
Promptness 5.0
  •  
Courteous Staff 5.0
  •  
Accurate Diagnosis 5.0
  •  
Bedside Manner 5.0
  •  
Spends Time with Me 5.0
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Follows Up After Visit 4.3
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Specialties & Research

Dr. John Hayes, MD is board certified in Internal Medicine and Clinical Cardiac Electrophysiology.

  • He has special expertise in 6 areas:
  • Acute Coronary Syndrome (ACS)
  • Cardiac Arrhythmias
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Hayes graduated from Rush Medical College, Chicago.


Affiliations

Dr. Hayes has 15 hospital affiliations:

  • St. Michael's Hospital-Stephen's Point 
  • Saint Joseph's Hospital-Marshfield 

> > > > Dr. John Hayes, MD

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Additional Information
Dr. John J Hayes MD is a male Internist, has 27 years of experience and practices in Internal Medicine, Cardiovascular Disease, and Clinical Cardiac Electrophysiology.
Where does Dr. John J. Hayes practice?
Dr. John Hayes has 1 office location.
Dr. John Hayes practices Internal Medicine, Cardiovascular Disease, and Clinical Cardiac Electrophysiology near Marshfield, WI.
See Marshfield Internists and Marshfield Cardiologists.