M.H.S. Action East in Santee is a dual-track outpatient facility operated by TURN Behavioral Health Services under State Department of Health Care Services certification 370069ABN. The Cuyamaca Street program combines substance use disorder treatment with serious-mental-illness support through Assertive Community Treatment, a care-coordination model that works alongside medical providers such as Perlman Clinic Santee on Mission Gorge Road. Intensive outpatient programming deploys cognitive behavioral therapy, dialectical behavior therapy, motivational interviewing, and 12-step facilitation within individual, group, and family counseling formats. Peer-support specialists and case managers connect participants to supportive housing, employment assistance, and community reintegration resources, including home-based services coordinated through agencies including Visiting Angels Senior Home Care Santee. The program's dual-diagnosis track addresses co-occurring opioid, alcohol, and stimulant dependencies alongside schizophrenia-spectrum, bipolar, and major depressive disorders using medication-assisted treatment protocols.