Dr. Cohan grew up in Philadelphia, PA, completed his undergraduate education at Amherst College (1982), did post-graduate research on a scholarship at Cambridge University (1983) and received his M.D. from the University of Pennsylvania School of Medicine (1987).
Dr. Cohan is board-certified in Internal Medicine by the American Board of Internal Medicine and completed full recertification in Internal Medicine in 2001 and again in 2011.
In recognition of his excellent medical, resarch and teaching skills, Dr. Cohan was elected as a Fellow of the American College of Physicians (FACP) in 2003.
Dr. Cohan is considered by a panel of his peers to be a "Super Doctor" and was selected by The Hollywood Reporter as the entertainment industry's favorite physician in 2014 and 2015.