Dr. Schiffman received his BS degree with high honors in biology from Hobart College in 1976. He then moved to Chicago where he studied biochemistry at the University of Illinois, Chicago Circle. He attended Rush Medical College where he received his MD degree in 1982 and was elected to the Alpha Omega Alpha Medical Honor Society. He completed his internal medicine internship and residency at the University of California, Irvine. He attended the Long Beach VA/University of California, Irvine fellowship in pulmonary and critical care from 1985-1987. Dr. Schiffman is board certified in internal medicine, pulmonary, and critical care. In 1987, he founded the Pulmonary Rehabilitation and Education Program, one of the most successful pulmonary rehabilitation programs in Southern California. Additionally, from 1985-87 he studied pulmonary and critical care medicine at the combined University of California, Irvine and Longbeach VA Hospital program. In 2009, Dr. Schiffman became board certified in Sleep Medicine.