Browse Health
Internist, Cardiologist (heart)
15 years of experience
Accepting new patients
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. Margaret Happel:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Margaret Happel is Poor. Dr. Happel has been reviewed by 1 patients who have provided 0 comments. The rating is 1 out of 5 stars.

Patient Ratings
Accurate Diagnosis 1.0
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

Dr. Margaret Happel, FACC, MD is board certified in Cardiovascular Disease.

  • She has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Happel graduated from University of South Carolina , Columbia.


Dr. Happel has 5 hospital affiliations:

  • Methodist Med Center Of Oak Ridge 
  • Roane Medical Center 


  • Spanish
  • English

> > > > Dr. Margaret Happel, FACC, MD

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Additional Information
Dr. Margaret Happel FACC and MD is a female Internist, has 15 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Margaret Happel practice?
Dr. Margaret Happel has 5 office locations.
Dr. Margaret Happel practices Internal Medicine and Cardiovascular Disease near Harriman, TN.
Additional practice locations include: Oak Ridge, TN and Fredericksburg, VA.
See Harriman Internists and Harriman Cardiologists.