Residential Treatment
Structured residential care provides comprehensive support for adults with complex mental health, trauma, and co-occurring substance use disorders in a supportive treatment environment.
Alter Behavioral Health provides personalized mental health treatment and rehab for adults facing psychiatric, trauma, addiction, and co-occurring disorders. With residential, crisis stabilization, partial hospitalization, and intensive outpatient programs, care is tailored around each person’s needs. Southern California facilities offer evidence-based therapies, compassionate clinical support, and a full continuum designed to support lasting recovery and stability.

Comprehensive behavioral health programs support adults across different levels of psychiatric, trauma, addiction, and co-occurring care needs.
Structured residential care provides comprehensive support for adults with complex mental health, trauma, and co-occurring substance use disorders in a supportive treatment environment.
Crisis Stabilization and Intervention offers acute clinical assessment, risk assessment, safety planning, psychiatric stabilization, and family support for adults experiencing mental health crises.
PHP provides intensive outpatient treatment for adults who need substantial clinical support without residential placement, using CBT, DBT, EMDR, family therapy, and related approaches.
IOP offers structured mental health and substance use treatment at a lower level of care than residential or partial hospitalization, with individualized therapeutic support.
Dual-diagnosis care addresses addiction alongside conditions such as depression, anxiety, trauma, PTSD, bipolar disorder, and other mental health concerns.
Aftercare planning, local support groups, and recovery resources help clients practice life skills, transition toward everyday routines, and pursue sustained stability after discharge.
Alter Behavioral Health combines evidence-based clinical therapies, compassionate support, and individualized care plans across a full continuum of mental health and addiction treatment. Programs address the person rather than symptoms alone, incorporating clinical, holistic, and family supports. At Southern California facilities, adults can access care for psychiatric, trauma, substance use, and co-occurring disorders through a coordinated treatment model.

Personalized programs help clients and families move toward healing, improved functioning, and sustained recovery.
Care is designed around clinical needs, personal goals, and meaningful long-term support.
Access residential, crisis, PHP, IOP, outpatient, transitional, and therapeutic support services.
Individualized plans are overseen by psychiatrists and doctorate- or master’s-level clinicians.
Clinical and admissions support is available around the clock for Southern California and nationwide clients.
CBT, DBT, trauma-focused therapies, and holistic supports address complex behavioral health needs.
Experienced leaders guide compassionate, evidence-based behavioral health treatment.

Founder and CEO
Michael Castanon is the Founder and CEO of Alter Behavioral Health, a Southern California-based organization dedicated to advancing the future of mental health care. With a vision rooted in combining scientific rigor, genuine compassion, and lasting transformation, Michael has built Alter Behavioral Health into a comprehensive provider offering a full continuum of care, including residential treatment, partial hospitalization, intensive outpatient, and outpatient services. He is committed to ensuring that every client receives individualized, evidence-based treatment delivered by skilled psychiatrists and clinicians. Under his leadership, the organization has earned The Joint Commission's Gold Seal of Approval and recognition as a Care Predictor Certified Treatment Facility. Michael's mission is to empower individuals and families across Southern California and nationwide to heal, thrive, and achieve sustained recovery through innovative, whole-person care.
Alter Behavioral Health offers residential mental health treatment, Crisis Stabilization and Intervention, Partial Hospitalization Programs, Intensive Outpatient Programs, outpatient and transitional support, and dual-diagnosis treatment. Available care depends on clinical needs and level of acuity. Programs address mental health, trauma, substance use, and co-occurring disorders through individualized plans and evidence-based therapies.
Speak with Alter’s admissions team about care options and next steps.
Accreditation identified in company credentials.
Recognition listed among company awards and recognitions.
Recognition listed among company awards and recognitions.
Recognition and certification listed by the company.
Recognition nomination listed by the company.
Connect with Alter Behavioral Health to discuss treatment options, insurance verification, and confidential enrollment.
For immediate assistance, feel free to give us a direct call at (866) 248-9285.
For immediate assistance, feel free to give us a direct call at (866) 248-9285.