About Us
Your journey to behavioral well-being starts here.
At Mountainside Behavioral Health, our mission is to provide compassionate, evidence-based mental health treatment to individuals and families in our community. As a female-owned practice, we are proud to offer inclusive care to children, adolescents, adults, couples, families, and members of the LGBTQIA+ community. We specialize in the treatment of emotion dysregulation, trauma, selfharm and suicidal ideation, offering both individual and group therapy.
Our clinicians bring over a decade of intensive training in Dialectical Behavior Therapy (DBT) and Cognitive Behavioral Therapy (CBT), ensuring that our approach is grounded in the most current research and best clinical practices.
Our Team Members
Emily Biggs-Heisler, Ph.D.
Emily Biggs-Heisler, Ph.D., is a licensed clinical psychologist and the Clinical Director and Co-Owner of Mountainside Behavioral Health. She is a DBT-Linehan Board of Certification, Certified Clinician™.
She has experience working with children, adolescents, and adults in clinical, research, and testing settings and is intensively trained in brief suicide prevention interventions, cognitive behavioral and trauma-based therapies, and Dialectical Behavior Therapy (DBT).
Dr. Biggs-Heisler provides individual, family, and couples therapy. She teaches DBT skills groups, provides supervision to staff and trainees, and works with clients who are twelve years old and above.
Anabelle Brecker, LCSW
Anabelle Brecker, LCSW, is a Licensed Clinical Social Worker and Co-Owner of Mountainside Behavioral Health. She brings experience working with both adolescents and adults across a range of clinical settings. Anabelle is trained in evidence-based approaches including Dialectical Behavior Therapy (DBT), cognitive-behavioral therapy (CBT), trauma-informed interventions, and brief suicide prevention strategies.
She offers individual therapy and facilitates DBT skills groups for clients ages 15 and older, with a focus on helping individuals build effective coping strategies, regulate emotions, and improve interpersonal functioning.
Audrey Fisher, LPC
Audrey Fisher, LPC is a Licensed Professional Counselor and is trained in evidence-based approaches including Dialectical Behavior Therapy (DBT), cognitive-behavioral therapy (CBT), trauma-informed interventions, and suicide prevention strategies. She also specializes in substance use treatment and helping athletes manage mental skills like focus, confidence, and motivation to reach their potential, while also improving overall mental health and enjoyment of sports.
She brings experience working with both adolescents and adults across a range of clinical settings.
She offers individual therapy and facilitates DBT skills groups which focuses on helping individuals develop effective coping strategies, regulate emotions, and improve interpersonal functioning.
She works with clients 13 years of age and older.
Diana Huizar, Ph.D.
Diana (Dee-ah-na) Huizar is a postdoctoral psychology fellow who works with adolescents, young adults, couples, and families navigating intense emotions, complex relationships, trauma, identity, and patterns that feel difficult to change.
She has a particular interest in working with clients who experience pervasive emotion dysregulation, borderline personality disorder (BPD), complex trauma, impulsive behavior, and high-conflict relationships. Her approach is warm, direct, practical, and deeply collaborative. Diana helps clients understand what may be driving patterns beneath the surface, move away from black-and-white thinking, and build skills for responding more effectively while staying connected to who they are and what matters to them.
Diana approaches therapy with cultural responsiveness, recognizing how identity, culture, family, community, and lived experience shape both distress and healing. Her work is grounded primarily in Dialectical Behavior Therapy (DBT), Motivational Interviewing, and loving-kindness practices.
Diana provides therapy in both English and Spanish, expanding access to quality care for Spanish-speaking and bilingual individuals and families.
Michael Berrebi, Ph.D., LPC
Michael Berrebi, Ph.D., is a Licensed Professional Counselor with over a decade of experience in the field of mental health. He has worked in a variety of clinical settings, including a college counseling center, a hospital psychiatry department, and a university sports medicine clinic.
He is trained in Dialectical Behavior Therapy (DBT), Systems Training for Emotional Predictability and Problem Solving (STEPPS), cognitive-behavioral therapy (CBT), and leadership development, and he integrates mindfulness practices into his work with adolescents and adults. He specializes in helping athletes and performers reach peak performance, find more enjoyment in their sport, manage performance anxiety, and work through injuries and the return to sport.
He offers individual therapy and helps facilitate DBT skills groups for teens and adults.
Caroline James, M.A.
Caroline James is a doctoral candidate in Child, Family, and School Psychology. She brings extensive clinical experience working with children, adolescents, and families across a diverse range of care settings.
She is intensively trained in Dialectical Behavior Therapy (DBT), Exposure and Response Prevention (ERP), comprehensive psychological assessment, parent coaching, and school systems. Caroline sees clients ages 8 and older and offers individual, group, and family therapy as well as parent coaching and school-based service consultations.
Begin Your Healing Journey
At Mountainside Behavioral Health, we are committed to fostering a supportive and professional environment where clients feel seen, heard, and empowered on their path to healing.
Resources
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Embarking on a journey toward better mental health is a significant and empowering step. When considering therapy, one of the
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Begin Your Healing Journey
At Mountainside Behavioral Health, we are committed to fostering a supportive and professional environment where clients feel seen, heard, and empowered on their path to healing.