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Tunde Olaiya, MD, MPH, MPP

Dr. Tunde Olaiya, MD, MPH, MPP is a board-certified internal medicine doctor and gastroenterologist practicing out of the Harrisburg and Camp Hill locations.

He has an educational background spanning across three countries. He obtained his medical degree at Obafemi Awolowo University – an elite medical school in Nigeria. Dr. Olaiya subsequently obtained a Masters degree in Public Health and a Masters degree in Public Policy at the Hebrew University of Jerusalem, Israel and University of Cambridge, England respectively – attaining multiple academic achievements along the way. He conducted extensive novel gastroenterology research at Emory University, Atlanta GA and the Mayo Clinic, Rochester MN, and completed his gastroenterology fellowship at the University of Iowa.

Dr. Olaiya is a member of the American Gastroenterology Association, American College of Gastroenterology, American Society for Gastrointestinal Endoscopy, Association of Black Gastroenterologists and Hepatologists, and the Pennsylvania Medical Society. He specializes in colon cancer screening, inflammatory bowel disease including Crohn’s disease and Ulcerative Colitis, and gastroesophageal reflux disease. He also treats liver diseases including cirrhosis, fatty liver disease, and hepatitis.

Outside of practicing medicine, Dr Olaiya is an avid reader and is fond of travel. He enjoys learning about diverse cultures and experiencing new cuisine.  He loves watching soccer and has recently joined the pickleball bandwagon!



  • Bachelor of Medicine, Bachelor of Surgery: Obafemi Awolowo University, Nigeria
  • Master of Public Health: Hebrew University of Jerusalem, Israel
  • Master of Philosophy, Public Policy: University of Cambridge, United Kingdom
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