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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 O'Brian:

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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. John O'Brian is Excellent. Dr. O'Brian has been reviewed by 5 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 2.6
Promptness 5.0
Courteous Staff 3.9
Accurate Diagnosis 5.0
Bedside Manner 4.7
Spends Time with Me 4.5
Follows Up After Visit 4.5

Specialties & Research

Dr. John O'Brian, MD is board certified in Internal Medicine.

Education & Awards

Dr. O'Brian graduated from University of Vermont, Burlington. He has 2 awards.

Patients' Choice Award (2011)
Compassionate Doctor Recognition (2011)


Dr. O'Brian has 11 hospital affiliations:

  • Sentara Norfolk Genl Hosp 
  • Chesapeake Regional Medical Center 

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Additional Information
Dr. John Thomas O'Brian MD is a male Internist, has 44 years of experience and practices in Internal Medicine.
Where does Dr. John T. O'Brian practice?
Dr. John O'Brian has 1 office location.
Dr. John O'Brian practices Internal Medicine near Norfolk, VA.
See Norfolk Internists.