John O'Brien MD

After completing his Internal Medicine residency and Gastroenterology Fellowship, he accepted an Inflammatory Bowel Disease Fellowship at Johns Hopkins Hospital followed by an appointment as a Medical Staff Fellow / Clinical Research Associate in the National Institute of Diabetes and Digestive and Kidney Diseases branch at the National Institutes of Health.

Dr. O'Brien accepted a full-time, tenure-track, position at Washington University School of Medicine / Barnes-Jewish Hospital. He was then recruited to Indiana University School of Medicine where he accepted his first administrative role as the Gastroenterology (GI) Fellowship Director. Then, Dr. O'Brien accepted a Chief of Gastroenterology & Hepatology at the Southern Illinois University (SIU) School of Medicine. He was selected as the next Director of the Endoscopy Lab and Division Chief of GI / Hepatology and Nutrition at Creighton University School of Medicine and became a Professor of Surgery with the department. Dr. O'Brien was recruited to Michigan as the Chair of the Department of Medicine at the Ascension Providence Hospitals overseeing more than 600 physicians. He also accepted an appointment as a Clinical Professor of Medicine at Wayne State University.

Dr. O'Brien is a member of the Alpha Omega Alpha Medical Honor Society, Fellow in the American College of Physicians, Fellow in the American College of Gastroenterology and was selected as the Crohn’s and Colitis Foundation of American (CCFA) Physician of the Year several years ago. He is board certified in both Internal Medicine and Gastroenterology. Dr. O'Brien brings a wealth of experience in medical education, research, clinical medicine, and administration to the Carl Vinson VAMC.