Obsessive-Compulsive Solutions of Chicago (OCS Chicago) was a psychotherapy private practice owned and operated by Gregory S. Chasson, Ph.D. (Licensed Clinical Psychologist) from July 2016 through August 2022. The private practice has been discontinued as of August 31, 2022.

As of September 1, 2022, Dr. Chasson is a psychologist and faculty member in the Department of Psychiatry and Behavioral Neuroscience at the University of Chicago Medicine (UChicago). If you would like to explore service options with Dr. Chasson, please call UChicago at 773-702-3858 or Request an Appointment. Services are subject to Dr. Chasson’s availability.

If you are a former patient of Dr. Chasson through OCS Chicago and need to obtain treatment records, please send a request to info[at]ocschicago.com or call (872) 216-7170.