Program Information Tarzana Treatment Centers, Inc. is a full-service behavioral healthcare organization that provides high quality, cost-effective substance abuse and mental health treatment to adults and youth. We are a non-profit, community-based organization that operates a psychiatric hospital, residential and outpatient alcohol and drug treatment centers and family medical clinics. All facilities are licensed and certified by the State of California and the County of Los Angeles and are accredited by the Joint Commission. Since 1972, we have provided a comprehensive continuum of healthcare services.