David B. Leff, DO
Central Arizona Medical Associates
Dr. Leff is a gastroenterologist in private practice in Mesa, Ariz. He has been with Central Arizona Medical Associates for the past 19 years. He is also an adjunct assistant professor, Division of Clinical Education, Midwestern University - Arizona College of Osteopathic Medicine. Dr. Leff is a graduate of Des Moines University in 1991 and did his Internal Medicine residency and Gastroenterology fellowship at the Western Pennsylvania Hospital in Pittsburgh, Pa. During his fellowship, he was involved with early hepatitis C treatment options, and when he moved to Arizona, he became a member of the Board of Directors for the American Liver Foundation – Arizona Chapter. Dr. Leff currently serves on the Medical Advisory Board. He has served as the Assistant Medical Director for Central Arizona Endoscopy for the last nine years and recently became a member of the Board of Directors for the Arizona Osteopathic Medical Association in 2016. He speaks for a number of different pharmaceutical companies on the topics of hepatitis C, inflammatory bowel disease and irritable bowel syndrome.
Dr. Leff discloses he is on the Speakers’ Bureau for Abbvie, Alfa Sigma and Salix.