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. Joseph O'Brien:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Joseph O'Brien, Primary Care / Internist is Excellent.
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Education & Awards
Dr. O'Brien graduated from New York Medical College, Valhalla. He has 4 awards.
Dr. O'Brien has 3 hospital affiliations:
- St. Marys Hospital
- St. Joseph'S Regional Medical Center
- St. Mary's Hospital-Passaic
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Humana - 5 plans
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- Additional Information
- Where does Dr. Joseph P. O'Brien practice?
Dr. Joseph O'Brien practices Internal Medicine near Clifton, NJ.
See Clifton Internists.