PHP Treatment
Partial Hospitalization Program care provides intensive outpatient support for adults managing mental health, trauma, and substance use disorders through individualized, evidence-based treatment.
Alter Behavioral Health provides structured Partial Hospitalization Program care for adults managing co-occurring mental health and substance use disorders. Through evidence-based therapies such as CBT, DBT, EMDR, and family therapy, clients receive individualized support while practicing recovery skills and building stability. Programs are available throughout Southern California, with consultation and enrollment support for clients and families nationwide.

Structured behavioral health services supporting adults with co-occurring mental health and substance use disorders.
Partial Hospitalization Program care provides intensive outpatient support for adults managing mental health, trauma, and substance use disorders through individualized, evidence-based treatment.
Intensive Outpatient Program care offers structured treatment at a lower level of care than PHP or residential services, supporting continued progress through therapy and family sessions.
Specialized treatment addresses addiction alongside conditions such as depression, anxiety, bipolar disorder, trauma, PTSD, and other psychiatric concerns within a coordinated care model.
Dual diagnosis PHP care connects mental health and substance use treatment instead of addressing either concern in isolation. Alter Behavioral Health develops individualized plans using CBT, DBT, EMDR, family therapy, mindfulness-based approaches, and other evidence-based modalities. Clients can receive structured support while working toward improved functioning, sustained stability, and a gradual transition back to everyday life.

Personalized treatment helps clients and families pursue stability, recovery, and healthier everyday functioning.
Compassionate, evidence-based care supports both mental health and substance use recovery.
Mental health, addiction, trauma, and co-occurring disorders are addressed within one coordinated treatment model.
CBT, DBT, EMDR, family therapy, and holistic supports inform individualized treatment plans.
Multiple levels of care help Southern California clients move through treatment as their needs evolve.
Clinical and admissions support is available around the clock for clients, families, and referring providers.
Experienced leadership guides compassionate, individualized 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.
A Partial Hospitalization Program is an intensive outpatient level of behavioral health care for people who need structured treatment but may not require residential services. PHP can include individual and group therapy, psychiatric support, family sessions, risk assessment, and evidence-based modalities such as CBT, DBT, and EMDR. Alter Behavioral Health’s PHP supports adults with mental health, trauma, substance use, and co-occurring concerns.
Speak with the admissions team about PHP options and next steps.
Alter Behavioral Health provides behavioral health treatment across Southern California and supports clients nationwide.
Southern California
Service Area
24/7 Available
Admissions Support
Nationwide Support
Care Coverage
Contact admissions to discuss locations, availability, and PHP enrollment.
Recognition nomination stated by Alter Behavioral Health.
Certification associated with Alter Behavioral Health’s Care Predictor approach.
Named quality approval listed by Alter Behavioral Health.
Recognition and certification listed by Alter Behavioral Health.
Contact Alter Behavioral Health to discuss PHP availability, insurance verification, private pay options, and 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.