Arthur C. Sosis, M.D. was born and raised in New York City. He is married and has two grown children. Dr. Sosis received his medical degree at S.U.N.Y. in Buffalo, New York in 1967. He completed his internship at the Medical Center in New York in 1968 and a residency in dermatology at the Skin and Cancer Hospital, Temple University Health Services Center in Philadelphia, Pennsylvania in 1973. He was on active duty in the Air Force from 1968 until 1970. He is a member of many professional societies. He was Chief of the Division of Dermatology at Lehigh Valley Hospital from 1989 to 2009. He has several publications in research and clinical dermatology.

Dr. Sosis practices in both the Allentown and Kutztown offices.