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).

Learn more about Dr. John O'Brien:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John O'Brien is Average. Dr. O'Brien has been reviewed by 5 patients who have provided 1 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 1.0
Promptness 1.0
Courteous Staff 1.0
Accurate Diagnosis 1.0
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

Specialties & Research

Dr. John O'Brien, MD is board certified in Internal Medicine.

Education & Awards

Dr. O'Brien graduated from Albany Medical College.


Dr. O'Brien has 2 hospital affiliations:

  • Newton-Wellesley Hospital 
  • UMass Memorial Medical Center, Inc 

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Additional Information
Dr. John Francis O'Brien MD is a male Internist, has 41 years of experience and practices in Internal Medicine.
Where does Dr. John F. O'Brien practice?
Dr. John O'Brien has 1 office location.
Dr. John O'Brien practices Internal Medicine near Plymouth, MA.
See Plymouth Internists.