Dr. John J. O'Brien, MD - Livonia, MI - Gastroenterology

Dr. John O'Brien

  • Gastroenterology
  • , Internal Medicine
  • Livonia, MI
  • Languages supported at his practice: English

Dr. O'Brien's Background


John J. O'Brien, MD is a practicing Gastroenterologist in Livonia, MI. Dr. O'Brien graduated from University of Missouri Columbia School of Medicine in 1981 and has been in practice for 36 years. He completed a residency at Saint Luke's Hospital. Dr. O'Brien also specializes in Internal Medicine. He currently practices at St Mary Mercy Primary Care Campus and is affiliated with St Mary Mercy Livonia Hospital. Dr. O'Brien accepts multiple insurance plans including Aetna, Blue Cross Blue Shield of Michigan and Cigna. Dr. O'Brien is board certified in Gastroenterology and Internal Medicine. Displaying the profile of a physician or provider on this website does not constitute or imply endorsement, recommendation, or favoring by the sponsoring hospital. The views and opinions of authors expressed herein do not necessarily state or reflect those of Trinity Health Corporation or any of its hospitals/ministries, and shall not be used for advertising or product endorsement purposes.

Hospital Affiliations
  • Residency
  • Saint Luke's Hospital
  • Medical School, 1981
  • University of Missouri Columbia School of Medicine
  • Columbia, MO