David A. Johnson, MD, FACG, FACP

David A. Johnson, MD, FACG, FACP, is Professor of Medicine and Chief of Gastroenterology at Eastern Virginia School of Medicine. He has published extensively in the internal medicine and gastroenterology literature, contributing over 350 articles, chapters, or abstracts to peer-reviewed journals. He has been involved extensively in committees of the national GI societies and is the immediate Past President of The American College of Gastroenterology. He is co-editor of Reviews in Gastroenterologic Disorders and is section editor for the Medscape Gastroenterology Viewpoints series as well as Journal Watch Gastroenterology, (from the publishers of The New England Journal of Medicine). He is on numerous editorial boards and serves as a reviewer for 18 medical journals, including all of the gastroenterology journals as well as a number of prestigious internal medicine journals, such as Annals of Internal Medicine, Archives of Internal Medicine, The American Journal of Medicine, and The Lancet. He is co-editor of the American College of Physicians book Dyspepsia and editor of the 2005 Gastroenterology Clinics of North America issue "Obesity and the Gastroenterologist."

Dr. Johnson's primary research interests are esophageal and colon disease. He was the physician who worked with the late Senator Emily Couric to enact the historic first legislation to mandate colon cancer screening with colonoscopy as the preferred standard. This initiative, first established in Virginia, provided a model which other states have adopted. He has served as a primary advisor for national Medicare GI issues on endoscopy (CMS advisory committee, 1995-1998) and has co-chaired the national Gastroenterology Medicare advisors (1991-2000). He is a co-author of the US Multisociety Task Force on Colorectal Cancer guidelines for colon cancer screening and surveillance (2003); the American College of Gastroenterology colon cancer screening guidelines (2000); and the joint guidelines from the American Cancer Society, the US Multisociety Task Force on Colorectal Cancer, and the American College of Radiology on screening and surveillance for the early detection of colorectal cancer and adenomatous polyps (2008).