David D. Clarke, MD is a clinical assistant professor of medicine at Oregon Health Sciences University (OHSU), a clinical lecturer and preceptor with Pacific University, a member of the Academy of Psychosomatic Medicine, is board-certified in Gastroenterology and Internal Medicine and has had a private practice in Portland, Oregon since 1984.  In surveys of physicians by Portland Monthly magazine in the metropolitan area, Dr. Clarke was twice named one of the “Top Doctors” in his specialty.  He has received numerous awards for patient care.

Dr. Clarke is a graduate of Williams College (Phi Beta Kappa) and the University of Connecticut School of Medicine where he received the Mosby Award for clinical excellence.  He completed internship and residency in Internal Medicine and fellowship in Gastroenterology at Harbor/UCLA Medical Center in Los Angeles.  He has been a visiting professor in Brisbane, Australia and Oxford, England.  He was the Ethics Director for his medical group from 2005-2008 and is a Senior Scholar at the Center for Ethics in Health Care at OHSU. He is a member of the American Gastroenterological Association.

Dr. Clarke has lectured extensively on stress illness to internal medicine, family practice and gynecology physicians, mental health professionals, physician assistants, nurse practitioners and other groups including chaplains, pharmacists, chronic pain specialists and the public across the U.S. He has been a guest on over 100 broadcasts. TV appearances include WABC (NY), WGN (Chicago), WJLA (D.C.), KRON (SF), WFAA (Dallas) and radio includes KKZZ, KRLA & KPFK Los Angeles, WLTW & WOR New York, WBZ Boston and KYW Philadelphia. He has appeared on syndicated broadcasts hosted by Montel Williams and by Michael Roizen (author of You: The Owner's Manual).

Dr. Clarke married Linda in 1977 and they have two adult sons.  For his own stress, he prescribes adventures with his family, playing soccer, travel, hiking among mountains, photography and Linda’s cooking, occasionally all on the same day.