PDF Download Founded in 1972, Tarzana Treatment Centers, Inc. (TTC) is a full service, non-profit healthcare community-based organization providing high quality, cost-effective integrated substance use and mental health disorder treatment and medical care services to individuals in Southern California. TTC operates a psychiatric hospital, residential and outpatient substance use disorders (SUD) treatment centers for adults and youth, family medical clinics and HIV/AIDS services facility including specialty medical care. All facilities are licensed and certified by the . . .