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 19 hospital affiliations:
- Baylor University Medical Center
- Park Nicollet Methodist Hospital
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Great-West Healthcare - 3 plans
- Iowa Medicaid - 1 plan
- Anthem - 9 plans
- Cigna - 3 plans
More Accepted Insurance
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- Additional Information
- Where does Dr. John J. O'Brien practice?
Dr. John O'Brien practices Internal Medicine, Gastroenterology, Family Medicine, and Surgery near Omaha, NE.
Additional practice locations include: Dallas, TX and O Fallon, MO.
See Omaha Internists, Omaha Gastroenterologists, Omaha Family Physicians, and Omaha Surgeons.
- 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