Dr. David Lieberman is a professor of medicine and chief of gastroenterology at Oregon Health and Sciences University (OHSU), and is board certified in internal medicine and gastroenterology. Dr. Lieberman received his medical degree from the University of Michigan, Ann Arbor, in 1976. He completed his internal medicine residency and gastroenterology fellowship at OHSU.

Dr. Lieberman`s special interests include esophageal diseases, colon cancer screening and outcomes in endoscopy.