Simi Oaks is an outpatient drug rehab and day treatment program located in Simi Valley that offers substance abuse treatment and other drug rehab services. Simi Oaks in Lake Arrowhead has a special program for adolescents, people with dual diagnosis, women and men, DUI/DWI offenders, in addition to general drug and alcohol rehab. Simi Oaks accepts self payment, Medicaid and private health insurance as payment for drug and alcohol rehab services. Simi Oaks offers drug treatment programs in ASL and Spanish.