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Summary

  • Dr. John O'Brien, MD is a gastroenterologist in Livonia, Michigan. He is currently licensed to practice medicine in Michigan, South Carolina, and Minnesota. He is affiliated with St. Mary Mercy Hospital.

Education & Training

  • National Capital Consortium
    National Capital ConsortiumFellowship, Gastroenterology, 1989 - 1991
  • Johns Hopkins University
    Johns Hopkins UniversityFellowship, Gastroenterology, 1988 - 1989
  • St Louis University School of Medicine
    St Louis University School of MedicineFellowship, Gastroenterology, 1984 - 1986
  • University of Missouri-Kansas City School of Medicine
    University of Missouri-Kansas City School of MedicineResidency, Internal Medicine, 1981 - 1984
  • University of Missouri-Columbia School of Medicine
    University of Missouri-Columbia School of MedicineClass of 1981

Certifications & Licensure

  • MI State Medical License
    MI State Medical License 2008 - 2021
  • SC State Medical License
    SC State Medical License 1990 - 1991
  • MN State Medical License
    MN State Medical License 1987 - 1987
  • MO State Medical License
    MO State Medical License 1983 - 2023
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Hospital Affiliations