Dr. John J. O'Brien MD Gastroenterologist

Dr. John O'Brien is a gastroenterologist in Omaha, Nebraska. He received his medical degree from University of Missouri-Columbia School of Medicine and has been in practice for 33 years.

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Office Location

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Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Education & Medical Training

St Luke's Hospital (Kansas City MO)
Residency, Internal Medicine, 1981–1984

Johns Hopkins University
Fellowship, Gastroenterology, 1988–1989

National Institutes of Health Clinical Center
Fellowship, Gastroenterology, 1989–1991

St Mary's Health Center
Fellowship, Gastroenterology, 1984–1986

University of Missouri-Columbia School of Medicine
Class of 1981


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