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).
- Currently 3 of 4 stars
The overall average patient rating of Dr. John O'Brien is Good. Dr. O'Brien has been reviewed by 5 patients who have provided 1 comments. The rating is 3 out of 4 stars.
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Specialties & Research
Dr. John O'Brien, MD is board certified in Family Medicine.
More Specialties & Research
Education & Awards
Dr. O'Brien graduated from University of Michigan Medical School, Ann Arbor.More Education & Awards
Dr. O'Brien has 5 hospital affiliations:
- St. Joseph Mercy Oakland
- Saint Joseph Mercy Hospital
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Humana - 2 plans
- HealthPlus of Michigan - 2 plans
- Cigna - 2 plans
More Accepted Insurance
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- Additional Information
- Where does Dr. John M. O'Brien practice?
Dr. John O'Brien practices Family Medicine and Family Medicine - Adolescent Medicine near Chelsea, MI.
Additional practice locations include: Ann Arbor, MI and Ypsilanti, MI.
See Chelsea Family Physicians.
- Similar Physician Names
- Dr. Deshawn O'Brien, Dr. Evan O'Brien, Dr. Giovanni O'Brien, Dr. Hank O'Brien, Dr. Hans O'Brien, Dr. Ian O'Brien, Dr. Ivan O'Brien, Dr. Jack O'Brien