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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The overall average patient rating of Dr. Maria O'Brien is Excellent.
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Specialties & Research
Dr. Maria O'Brien, MD is board certified in Family Medicine.
- She has special expertise in 1 area:
- Women's Health
Education & Awards
Dr. O'Brien graduated from Universitatea De Medicina Si Farmacie Carol Davila, Bucharest.
Dr. O'Brien has 4 hospital affiliations:
- Middlesex Hospital
- Bristol Hospital
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- Additional Information
- Dr. Maria R O'Brien MD is a female Family Practitioner, has 27 years of experience and practices in Family Medicine.
- Where does Dr. Maria R. O'Brien practice?
- Dr. Maria O'Brien has 9 office locations.
Dr. Maria O'Brien practices Family Medicine near Bristol, CT.
Additional practice locations include: Meriden, CT and Moodus, CT.
See Bristol Primary Care Doctors.