Partial Hospitalization
PHP provides intensive outpatient care for adults with depression and other mental health, trauma, or substance use disorders. Treatment may include CBT, DBT, EMDR, family therapy, and individualized clinical support.
Find personalized depression therapy in San Diego through Alter Behavioral Health’s evidence-based continuum of care. Adults can access treatment tailored to depression, trauma, substance use, and co-occurring conditions, with options ranging from intensive outpatient and partial hospitalization to residential care. Clinical teams use therapies such as CBT, DBT, EMDR, family therapy, and holistic supports to encourage meaningful, lasting recovery.

Personalized levels of behavioral health care support adults experiencing depression and related mental health or substance use concerns.
PHP provides intensive outpatient care for adults with depression and other mental health, trauma, or substance use disorders. Treatment may include CBT, DBT, EMDR, family therapy, and individualized clinical support.
IOP offers structured treatment at a lower level of care than residential or partial hospitalization programs. Clients receive tailored evidence-based therapy for depression, anxiety, trauma, addiction, and related concerns.
Residential mental health treatment provides comprehensive support for adults whose depression or co-occurring conditions require a more immersive setting. Care includes individualized planning, family participation options, and evidence-based modalities.
Depression can affect emotional health, relationships, daily functioning, and physical well-being. Alter Behavioral Health creates individualized treatment plans that address the person rather than symptoms alone, combining evidence-based clinical therapies with holistic supports. For adults and families in San Diego and throughout Southern California, the full continuum of care offers a coordinated path toward improved functioning, sustained stability, and recovery.

Explore how personalized care and aftercare resources can support progress beyond treatment.
A compassionate, evidence-based approach supports adults and families through complex mental health needs.
Access residential, PHP, IOP, outpatient, transitional, and therapeutic support services through one care model.
Individualized plans address depression, trauma, addiction, and co-occurring conditions with whole-person support.
Psychiatrists and doctorate- or master’s-level clinicians oversee evidence-based treatment and therapeutic care.
Clinical and admissions support is available around the clock for San Diego and Southern California inquiries.
Compassionate clinicians help clients pursue meaningful, lasting mental health recovery.

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 most appropriate therapy depends on a person’s symptoms, history, goals, and any co-occurring concerns. Evidence-based approaches used by Alter Behavioral Health include Cognitive Behavioral Therapy, Dialectical Behavioral Therapy, EMDR, family therapy, mindfulness-based approaches, and other individualized modalities. A clinical consultation helps determine which treatment setting and therapeutic combination best support the individual.
Speak with the admissions team about personalized treatment options and next steps.
Accreditation stated in company credentials.
Recognition listed by Alter Behavioral Health.
Recognition listed by Alter Behavioral Health.
Recognition and certification listed by Alter Behavioral Health.
Nomination listed by Alter Behavioral Health.
Contact Alter Behavioral Health to discuss consultation, enrollment, available programs, and insurance verification.
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.