Errors in diagnosis place a heavy financial burden on an already costly health care system and can be devastating for affected patients. Strengthening certain aspects of a new and evolving model of comprehensive and coordinated primary care could potentially address this highly relevant, but underemphasized safety concern, say Mark Graber, M.D., of Stony Brook University Medical Center, and Hardeep Singh, M.D., M.P.H., of Baylor College of Medicine, in a commentary published in the July 28 issue of the Journal of the American Medical Association (JAMA).