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. Barbara O'Brien:
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Specialties & Research
Dr. Barbara O'Brien, MD is board certified in Clinical Genetics (M.D.), Obstetrics & Gynecology, and Maternal & Fetal Medicine.
- She has special expertise in 3 areas:
- Hot Flashes
- Maternal-Fetal Medicine
Education & Awards
Dr. O'Brien graduated from New York Medical College, Valhalla. She has 1 awards.
Dr. O'Brien has 17 hospital affiliations:
- Rhode Island Hospital
- South County Hospital
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Great-West Healthcare - 2 plans
- Medicare - 1 plan
- Cigna - 1 plan