Partial Hospitalization
PHP offers intensive outpatient care for adults who need structured treatment without residential placement. Care may include CBT, DBT, EMDR, family therapy, psychiatric support, and individualized planning.
Alter Behavioral Health provides structured mental health day treatment through Partial Hospitalization and Intensive Outpatient Programs for adults navigating depression, anxiety, trauma, bipolar disorder, addiction, and co-occurring conditions. With evidence-based therapies, personalized care, and access to Southern California locations, our programs help clients build stability while practicing recovery skills in daily life.

Structured day treatment options provide evidence-based support for mental health, trauma, addiction, and co-occurring conditions.
PHP offers intensive outpatient care for adults who need structured treatment without residential placement. Care may include CBT, DBT, EMDR, family therapy, psychiatric support, and individualized planning.
IOP provides structured mental health and substance use treatment at a lower care level than residential or partial hospitalization, with therapies tailored to each client’s goals and clinical needs.
Integrated treatment addresses addiction alongside mental health conditions such as depression, anxiety, trauma, and PTSD through coordinated therapies, family participation, and multiple levels of care.
Mental health day treatment gives adults a structured setting for meaningful therapeutic work while supporting continued connection to everyday responsibilities. Alter Behavioral Health uses evidence-based approaches such as CBT, DBT, EMDR, family therapy, mindfulness, and trauma-focused care. Programs can address mental health, substance use, and co-occurring concerns, with Southern California locations and consultation available for determining an appropriate level of support.

See how individualized treatment and continuing support can help clients move toward stability and sustained recovery.
Our client-centered model combines clinical expertise, compassion, and coordinated levels of care.
Access coordinated treatment across residential, partial hospitalization, intensive outpatient, outpatient, and therapeutic support services.
Clinicians use CBT, DBT, EMDR, trauma-focused modalities, family therapy, and holistic supports tailored to individual needs.
Admissions and clinical support are available around the clock for clients and families seeking guidance across Southern California.
Treatment addresses mental health, addiction, trauma, functioning, and recovery goals through a compassionate whole-person approach.
Experienced leaders and clinicians guide personalized 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.
The 3-3-3 rule is a grounding exercise sometimes used to help manage distress or anxiety. It generally involves identifying three things you can see, three sounds you can hear, and moving or noticing three parts of your body. It is a coping technique, not a substitute for professional assessment. A clinician can help determine whether day treatment or another level of care is appropriate.
Speak with the admissions team about care options and consultation.
Alter Behavioral Health serves clients across Southern California and supports families nationwide through coordinated care options.
Southern California
Primary Region
24/7 Availability
Admissions Support
Nationwide Support
Care Access
Contact Alter Behavioral Health to discuss available programs and locations.
Recognition listed by Alter Behavioral Health.
Recognition listed by Alter Behavioral Health.
Recognition and certification listed by Alter Behavioral Health.
Accreditation listed in company credentials.
Contact Alter Behavioral Health to discuss consultation, admissions, insurance verification, and available treatment options.
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.