Mental Health IOP
Structured outpatient treatment supports adults managing depression, anxiety, bipolar disorder, trauma, PTSD, and other mental health conditions through individualized evidence-based therapy.
Evening Intensive Outpatient Programs (IOP) from Alter Behavioral Health provide structured mental health and substance use treatment while allowing adults to maintain more of their daily routines. With evidence-based therapies, individualized care, and access across Southern California, the program supports recovery for depression, anxiety, bipolar disorder, trauma, PTSD, addiction, and co-occurring conditions.

Structured evening care supports mental health, addiction recovery, trauma treatment, and co-occurring conditions through personalized therapy.
Structured outpatient treatment supports adults managing depression, anxiety, bipolar disorder, trauma, PTSD, and other mental health conditions through individualized evidence-based therapy.
Intensive outpatient support helps adults address drug and alcohol addiction with therapeutic care designed to strengthen recovery while supporting continued daily responsibilities.
Integrated treatment addresses co-occurring substance use and mental health concerns using coordinated therapies such as CBT, DBT, EMDR, and family sessions.
Evening IOP offers a structured step in Alter Behavioral Health’s continuum of care for adults who need meaningful clinical support without residential treatment. Individualized plans may include CBT, DBT, EMDR, family sessions, and other evidence-based approaches. Care is designed to address mental health, trauma, addiction, and co-occurring concerns while helping clients practice skills for everyday life across Southern California.

Personalized treatment helps clients build practical skills, stability, and meaningful progress beyond the program.
Compassionate, evidence-based care connects clients with support suited to their recovery journey.
Treatment addresses body, mind, and spirit rather than focusing on symptoms alone.
Psychiatrists and doctorate- or master's-level clinicians oversee individualized evidence-based treatment plans.
Multiple levels of care help Southern California clients transition through treatment with coordinated support.
Clinical and admissions support is available around the clock for clients and referring professionals.
Experienced behavioral health leaders guide compassionate, evidence-based 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.
Session length can vary based on the program schedule, clinical plan, and treatment needs. Evening IOP commonly combines structured therapeutic programming with modalities such as CBT, DBT, EMDR, and family sessions. During consultation, the admissions team can explain the current schedule, expected participation, and how the program fits alongside daily responsibilities.
Speak with the admissions team about consultation, program fit, and enrollment.
Alter Behavioral Health provides behavioral health programs across Southern California and supports clients nationwide.
Southern California
Service Area
24/7 Support
Admissions Support
Nationwide Support
Care Access
Ask the admissions team about available programs and locations.
Accreditation listed by Alter Behavioral Health.
Recognition listed in Alter’s company information.
Recognition listed in Alter’s company information.
Recognition and certification listed by Alter Behavioral Health.
Nomination listed in Alter’s company information.
Connect with Alter Behavioral Health to discuss treatment needs, program fit, insurance verification, 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.