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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 (5)

The overall average patient rating of Dr. James O'Brien is Excellent. Dr. O'Brien has been reviewed by 9 patients who have provided 5 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 5.0
Courteous Staff 4.6
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 4.8
Follows Up After Visit 4.8

Specialties & Research

Dr. James O'Brien, 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. O'Brien graduated from Duke University , Durham. He has 2 awards.

Patients' Choice Award (2012 - 2013)
Compassionate Doctor Recognition (2012 - 2014)


Dr. O'Brien has 7 hospital affiliations:

  • Rockville General Hospital 
  • Hartford Hospital 


  • Italian
  • French

> > > > Dr. James O'Brien, MD

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Additional Information
Dr. James W O'Brien MD is a male Internist, has 20 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. James W. O'Brien practice?
Dr. James O'Brien has 1 office location.
Dr. James O'Brien practices Internal Medicine and Gastroenterology near Manchester, CT.
See Manchester Internists and Manchester Gastroenterologists.