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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- Currently 4 of 4 stars
The overall average patient rating of Dr. John O'Brian is Excellent.
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Specialties & Research
Dr. John O'Brian, MD is board certified in Internal Medicine.
- He has special expertise in 2 areas:
- Diabetes Mellitus
Education & Awards
Dr. O'Brian graduated from University of Vermont, Burlington. He has 2 awards.
Dr. O'Brian has 11 hospital affiliations:
- Chesapeake Regional Medical Center
- Sentara Obici Hospital
Accepted Insurance Plans
Dr. O'Brian accepts these health insurances in at least one office:
- United Healthcare - 19 plans
- Great-West Healthcare - 3 plans
- Anthem - 2 plans
- Unicare - 13 plans
- Humana - 2 plans
- Cigna - 4 plans
- USA H & W Network - 1 plan
Similar doctors nearby
- Additional Information
- Where does Dr. John T. O'Brian practice?
Dr. John O'Brian practices Internal Medicine near Hampton, VA.
Additional practice locations include: Norfolk, VA and Chesapeake, VA.
See Hampton Internists.