Residential Treatment
Residential mental health treatment provides comprehensive inpatient support for adults with complex psychiatric, trauma, and co-occurring needs, with individualized plans and evidence-based therapies.
Alter Behavioral Health provides personalized, evidence-based treatment for adults living with dissociative disorders and complex co-occurring mental health needs. Across Southern California, care may include residential treatment, crisis stabilization, partial hospitalization, and intensive outpatient support. Compassionate clinicians combine trauma-informed therapies, whole-person care, family participation, and individualized planning to help clients pursue stability, healing, and sustained recovery.

A full continuum of behavioral health programs supports adults through changing levels of psychiatric and therapeutic care.
Residential mental health treatment provides comprehensive inpatient support for adults with complex psychiatric, trauma, and co-occurring needs, with individualized plans and evidence-based therapies.
Crisis Stabilization and Intervention offers acute care, clinical assessment, safety planning, psychiatric stabilization, and family sessions for adults experiencing a mental health crisis.
The Partial Hospitalization Program offers intensive outpatient care using CBT, DBT, EMDR, family therapy, and other approaches tailored to individual mental health and trauma-related needs.
Intensive Outpatient treatment provides structured mental health and substance use support at a lower level of care than residential or partial hospitalization programs.
Treatment may integrate trauma-focused modalities, including EMDR, alongside CBT, DBT, mindfulness, family participation, and other evidence-based therapeutic approaches.
Dual diagnosis treatment addresses co-occurring mental health and substance use concerns through coordinated care across residential, crisis, PHP, and IOP programs.
Dissociative disorders can involve complex mental health and trauma-related needs requiring thoughtful assessment and coordinated support. Alter Behavioral Health offers a full continuum of care across Southern California, from crisis stabilization and residential treatment to PHP and IOP. Psychiatrists and clinicians develop individualized plans using evidence-based and trauma-focused therapies, while whole-person supports and aftercare resources encourage progress beyond discharge.

Personalized care helps clients and families work toward stability, healing, and meaningful long-term recovery.
Alter Behavioral Health combines compassionate relationships with structured, evidence-based behavioral healthcare.
Access residential, crisis, PHP, and IOP programs across Southern California as care needs change.
Personalized plans are overseen by psychiatrists and doctorate- or master’s-level clinicians.
Clinical and admissions support is available around the clock for people seeking care.
Care addresses mental health, trauma, addiction, relationships, and life beyond treatment.
Compassionate clinicians support personalized treatment across the care continuum.

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 several levels of care that may be considered after consultation, including residential treatment, Crisis Stabilization and Intervention, Partial Hospitalization, and Intensive Outpatient Programs. The appropriate setting depends on clinical needs, safety considerations, current symptoms, and the level of support required. Treatment plans may include trauma-focused and evidence-based therapies, family participation, psychiatric care, and aftercare planning.
Speak with the admissions team about care options and next steps.
Alter Behavioral Health offers treatment programs across Southern California, with locations serving Orange and San Diego county communities.
Southern California
Primary Region
24/7 Available
Admissions Support
Full Continuum
Care Approach
Contact admissions to discuss Southern California programs and availability.
Accreditation listed by Alter Behavioral Health.
Recognition listed in Alter Behavioral Health information.
Recognition listed by Alter Behavioral Health.
Recognition and certification listed by Alter Behavioral Health.
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Contact Alter Behavioral Health to discuss concerns, available programs, insurance verification, and enrollment next steps.
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.