Partial Hospitalization Program
Structured outpatient treatment for adults with depression and other mental health concerns, using evidence-based therapies and individualized care planning within Alter’s full continuum.
Alter Behavioral Health’s Adult Partial Hospitalization Program provides structured, evidence-based support for adults experiencing depression who need more care than traditional outpatient therapy. Through personalized treatment, psychiatric oversight, CBT, DBT, family therapy, and other therapeutic approaches, clients can build coping skills, improve daily functioning, and work toward lasting stability within a compassionate Southern California care continuum.

Structured behavioral health services help adults address depression while connecting them with appropriate levels of ongoing care.
Structured outpatient treatment for adults with depression and other mental health concerns, using evidence-based therapies and individualized care planning within Alter’s full continuum.
A lower level of structured care for adults who may benefit from continued therapy, skill building, family sessions, and support while transitioning toward everyday routines.
Acute behavioral health support that provides clinical assessment, intervention, safety planning, and stabilization when depression or related concerns become a crisis.
Alter Behavioral Health’s PHP offers adults a structured path for addressing depression without requiring residential treatment. Care may include psychiatric support, CBT, DBT, EMDR, family therapy, and other evidence-based approaches tailored to individual needs. As part of a Southern California continuum of care, the program supports improved functioning, practical coping skills, and thoughtful transitions to appropriate next-step services.

Explore how personalized, compassionate treatment can help adults and families pursue stability and lasting recovery.
Personalized clinical care combines evidence-based treatment with compassion and continuity.
Treatment integrates CBT, DBT, trauma-focused modalities, family therapy, and holistic supports.
Southern California programs support thoughtful transitions across residential, PHP, IOP, and outpatient care.
Care addresses emotional health, daily functioning, connection, and long-term recovery beyond symptoms alone.
24/7 clinical and admissions support helps Southern California families connect with appropriate care.
Compassionate clinicians support personalized, evidence-based mental 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.
Partial hospitalization for depression is a structured outpatient level of behavioral health care for adults who need more support than traditional outpatient therapy but may not require residential treatment. Alter Behavioral Health’s PHP uses individualized treatment planning and evidence-based approaches such as CBT, DBT, family therapy, psychiatric support, and other therapeutic modalities to help clients improve coping, functioning, and stability.
Speak with Alter Behavioral Health about consultation and enrollment options.
Alter Behavioral Health offers PHP consultation and enrollment across Southern California locations and nearby communities.
Southern California
Regional Coverage
Four Locations
PHP Locations
Nationwide Support
Care Access
Contact the team to discuss locations, consultation, and enrollment.
Recognition listed by Alter Behavioral Health.
Named quality approval listed by Alter Behavioral Health.
Recognition and certification listed by Alter Behavioral Health.
2024 nomination listed by Alter Behavioral Health.
Contact Alter Behavioral Health to discuss depression PHP consultation, clinical needs, locations, and enrollment 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.