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).
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- Currently 2 of 4 stars
The overall average patient rating of Dr. Barbara O'Brien is Satisfactory.
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Specialties & Research
Dr. Barbara O'Brien, MD is board certified in Internal Medicine and Gastroenterology.
Education & Awards
Dr. O'Brien graduated from University of South Alabama, Mobile.
Dr. O'Brien has 6 hospital affiliations:
- Thomas Hospital
- USA Medical Center