Partial Hospitalization
Partial Hospitalization Programs provide intensive outpatient care for adults with depression and related mental health concerns, using CBT, DBT, EMDR, family therapy, and individualized clinical planning.
Learn how an atypical depression test can help identify symptoms, contributing factors, and related mental health concerns. This guide explains how atypical depression may differ from other depressive conditions, including mood reactivity, increased sleep, appetite changes, and sensitivity to rejection. Alter Behavioral Health provides personalized, evidence-based support throughout Southern California for adults seeking assessment and appropriate care.

Explore structured treatment options for adults whose depression may require personalized, evidence-based behavioral health support.
Partial Hospitalization Programs provide intensive outpatient care for adults with depression and related mental health concerns, using CBT, DBT, EMDR, family therapy, and individualized clinical planning.
Intensive Outpatient Programs offer structured treatment at a lower level of care than residential or partial hospitalization, with therapies tailored to depression, trauma, anxiety, addiction, and related needs.
Residential treatment provides comprehensive, continuous mental health care for adults with depression and co-occurring conditions through person-centered planning, clinical therapies, family participation, and supportive living environments.
Atypical depression can include a temporary improvement in mood when positive events occur alongside symptoms such as increased sleep, increased appetite, heavy limbs, and rejection sensitivity. A qualified clinician can consider these patterns with personal history and co-occurring concerns. Alter Behavioral Health offers individualized, evidence-based treatment across Southern California for adults who need support beyond self-guided information.

Personalized care helps clients and families work toward stability, functioning, and sustained recovery.
Alter Behavioral Health combines compassionate clinicians, evidence-based treatment, and coordinated levels of care.
Treatment addresses mental health, trauma, addiction, and personal wellbeing rather than symptoms alone.
Clinicians use CBT, DBT, EMDR, family therapy, mindfulness, and other established approaches.
Multiple levels of care support appropriate transitions from crisis stabilization through outpatient recovery.
Clinical and admissions support is available around the clock for clients and families seeking guidance.
Compassionate clinicians support individualized healing and lasting transformation.

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.
Atypical depression is managed according to symptom severity, diagnosis, safety concerns, and personal circumstances. Care may include psychotherapy, medication managed by a qualified prescriber, lifestyle support, family involvement, and treatment for co-occurring conditions. When symptoms significantly affect functioning or safety, structured programs such as intensive outpatient, partial hospitalization, or residential treatment may provide coordinated support and monitoring.
Talk with a behavioral health professional about assessment and care options.
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Contact Alter Behavioral Health to discuss symptoms, care options, insurance verification, and enrollment with an admissions professional.
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.