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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).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. John Hagaman is Good. Dr. Hagaman has been reviewed by 5 patients who have provided 4 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.1
Courteous Staff 3.9
Accurate Diagnosis 4.2
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 3.9

Specialties & Research

Dr. John Hagaman, FACC, MD is board certified in Cardiovascular Disease.

  • He has special expertise in 15 areas:
  • Acute Coronary Syndrome (ACS)
  • Atrial Fibrillation
  • Cardiac Arrhythmias
  • Chest Pain (Angina)
  • Cholesterol Management
  • Coronary Artery Disease (CAD)
  • Fainting (Syncope)
  • Heart Block
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Holter monitoring
  • Mitral Valve Prolapse
  • Myocardial Infarction
  • Unstable Angina

Education & Awards

Dr. Hagaman graduated from Columbia University, New York.


Dr. Hagaman has 3 hospital affiliations:

  • University Medical Center At Princeton 
  • Princeton Healthcare System 
  • Princeton House Behavorial Healthcare 

> > > > Dr. John Hagaman, FACC, MD

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Additional Information
Dr. John Frederick Hagaman FACC and MD is a male Internist, has 37 years of experience and practices in Cardiovascular Disease.
Where does Dr. John F. Hagaman practice?
Dr. John Hagaman has 4 office locations.
Dr. John Hagaman practices Cardiovascular Disease near Princeton, NJ.
Additional practice locations include: Plainsboro, NJ.
See Princeton Cardiologists.