Contact Us. UPMC Western Psychiatric Hospital 3811 O'Hara Street Pittsburgh, PA 15213. 1-877-624-4100 or 412-624-1000. To schedule an appointment for children or adolescents, please call the UPMC Western Behavioral Health Child Services central call line at 412-235-5444.. Crisis support services for residents in Allegheny County, call resolve Crisis Services at 1-888-7-YOU CAN or 1-888-796-8226..