PHP Group Therapy
Partial Hospitalization Program care combines structured group therapy with evidence-based approaches such as CBT, DBT, EMDR, and family therapy for adults needing intensive support.
Group therapy for young adults provides a supportive setting to explore mental health, trauma, substance use, and life transitions with guidance from experienced clinicians. Alter Behavioral Health offers personalized, evidence-based care through programs across Southern California, including Irvine, Dana Point, San Juan Capistrano, and San Diego, helping participants build coping skills, connection, and stability within a broader continuum of treatment.

Structured group-based care supports young adults through mental health, trauma, addiction, and co-occurring challenges.
Partial Hospitalization Program care combines structured group therapy with evidence-based approaches such as CBT, DBT, EMDR, and family therapy for adults needing intensive support.
Intensive Outpatient Program treatment offers structured group support at a lower level of care, helping participants work on mental health, trauma, addiction, and everyday functioning.
Family sessions help young adults and their loved ones improve communication, understand treatment needs, and build supportive strategies connected to ongoing recovery.
Group therapy gives young adults a structured place to share experiences, practice coping strategies, and receive encouragement while working toward improved stability. Alter Behavioral Health combines group treatment with individualized care, trauma-informed approaches, family participation, and whole-person support. Programs across Southern California can address depression, anxiety, bipolar disorder, trauma, PTSD, addiction, and co-occurring concerns through an appropriate level of care.

See how individualized, evidence-based treatment can help clients and families move toward stability and sustained recovery.
Young adults receive compassionate, evidence-based support within a connected continuum of care.
Individualized care plans reflect each young adult’s mental health, trauma, addiction, and recovery needs.
Clinicians use CBT, DBT, EMDR, family therapy, and other evidence-based approaches across Southern California programs.
Multiple levels of care support transitions from crisis stabilization and residential treatment through outpatient services.
A whole-person model addresses body, mind, and spirit while supporting practical skills for everyday life.
Compassionate clinicians support young adults through 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.
Group therapy for young adults is a clinician-guided treatment setting where participants work on shared concerns while receiving individualized support. Sessions may address depression, anxiety, trauma, substance use, coping skills, relationships, and daily functioning. At Alter Behavioral Health, group therapy can be part of PHP, IOP, residential, crisis stabilization, or other services selected through consultation.
Speak with the admissions team about treatment options and next steps.
Alter Behavioral Health provides behavioral health treatment across Southern California and supports clients nationwide.
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Ask about available programs, locations, consultations, and enrollment support.
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Contact Alter Behavioral Health to discuss group therapy, care levels, insurance verification, and enrollment for a young adult.
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.