> > > > Dr. John O'Brien, MD
Dr. John Joseph O'Brien MD is a male Family Practitioner, has 29 years of experience and practices in Internal Medicine, Gastroenterology, Family Medicine, and Surgery.
Dr. John O'Brien has 5 office locations.
14555 Levan Rd
Ste 407
Livonia, MI 48154

Phone Number
Locations and availability (5)
License & Identifications

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:
  • Diabetes
  • Diabetes Complications

Education & Awards

Dr. O'Brien graduated from University of Missouri at Columbia.


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


  • Spanish

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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 Livonia, MI.
Additional practice locations include: Omaha, NE and O Fallon, MO.
See Livonia Internists, Livonia Gastroenterologists, Livonia Family Physicians, and Livonia Surgeons.