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. Michael O'Brien:
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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Michael O'Brien is Good.
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Education & Awards
Dr. O'Brien graduated from Boston University .
Dr. O'Brien has 5 hospital affiliations:
- Eden Medical Center - San Leandro Hospital Campus
- Eden Medical Center - Eden Campus
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- United Healthcare - 12 plans
- Cigna - 11 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Michael T. O'Brien practice?
Dr. Michael O'Brien practices Family Medicine near Castro Valley, CA.
See Castro Valley Family Physicians.