Social Services - 714-992-3000 Ext. 3737. Support Groups - 877-459-3627. Virginia K. Crosson Cancer Center - 714-446-5900. Volunteer Services - 714-992-3000 Ext. 2878. For the Media. As one of Southern California's most respected and technologically advanced hospitals, the media often looks to St. Jude Medical Center as a source of ....