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).
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Specialties & Research
Dr. John O'Brien, MD is board certified in Internal Medicine and Gastroenterology.
He has special expertise in 2 Areas, including Diabetes and Diabetes Complications.
More Specialties & Research
Education & Awards
Dr. O'Brien graduated from University of Missouri at Columbia.More Education & Awards
Dr. O'Brien has 13 hospital affiliations:
- St Lukes Hospital
- St. Mary Mercy Hospital
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Aetna - 2 plans
- Great-West Healthcare - 3 plans
- Iowa Medicaid - 1 plan
- Anthem - 9 plans
- Cigna - 4 plans
More Accepted Insurance
Similar doctors nearby
- Additional Information
- Where does Dr. John J. O'Brien practice?
Dr. John O'Brien practices Internal Medicine, Gastroenterology, Family Medicine, Pediatrics, and Surgery near Livonia, MI.
Additional practice locations include: Omaha, NE and O Fallon, MO.
See Livonia Internists, Livonia Gastroenterologists, Livonia Family Physicians, Livonia Pediatricians, and Livonia Surgeons.