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Research Scientists

George F. Longstreth, MD

Associate Investigator
4647 Zion Ave
San Diego, CA 92120-2507
Phone: 619-528-6550
Email Address:

Other Affiliation

  • Voluntary Clinical Professor of Medicine, School of Medicine, University of California at San Diego, Internal Medicine, San Diego, California


  • MA, Anthropology, San Diego State University, San Diego, California

  • MD, University of Southern California School of Medicine, Los Angeles, California

  • BA, Chemistry, Arizona State University, Tempe, Arizona

Research Interests

Dr. Longstreth is an adjunct investigator with the Department of Research & Evaluation and a retired partner from the Southern California Permanente Medical Group. His research interests include gastrointestinal epidemiology, functional gastrointestinal disorders, acute large bowel ischemia, diverticulitis, celiac disease, and medical anthropology. He has more than 35 years of experience as a practicing gastroenterologist. Dr. Longstreth was chief of gastroenterology at Kaiser Permanente’s San Diego Medical Center from 1984 to 2007. He retired from full-time practice in 2008 but continues to practice part-time.


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