Sidney Crain MD, FACP, is an experienced oncology consultant currently working with AristaMD since February 2016, specializing in online medical oncology consultations. In addition, Sidney Crain serves as an oncology specialist with CompHealth since June 2013 and has been affiliated with MD Associates since November 2010, providing oncology services as a locum tenens after retiring from Kaiser-Permanente. Sidney Crain earned a Doctor of Medicine degree from the University of Illinois College of Medicine, completing the program in 1977.