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Internist, Gastroenterologist (digestive)
32 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. John Harrington:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Harrington is Excellent. Dr. Harrington has been reviewed by 3 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 4.1
Courteous Staff 4.6
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 4.6
Follows Up After Visit 4.6

Specialties & Research

Dr. John Harrington, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Harrington graduated from University of Mississippi , Jackson.


Dr. Harrington has 5 hospital affiliations:

  • River Parishes Hospital 
  • East Jefferson General Hospital 


  • Spanish
  • English

> > > > Dr. John Harrington, MD

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Additional Information
Dr. John Neville Harrington MD is a male Internist, has 32 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. John N. Harrington practice?
Dr. John Harrington has 1 office location.
Dr. John Harrington practices Internal Medicine and Gastroenterology near Metairie, LA.
See Metairie Internists and Metairie Gastroenterologists.