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).


Our records indicate this doctor is a student.

Learn more about Dr. Barbara O'Brien:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Barbara O'Brien is Excellent. Dr. O'Brien has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

> Dr. Barbara O'Brien, MD

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Additional Information
Dr. Barbara Jane O'Brien MD is a female doctor and practices in .
Where does Dr. Barbara J. O'Brien practice?
Dr. Barbara O'Brien has 1 office location.
Dr. Barbara O'Brien practices near Unionville, CT.