Our Team

The Los Angeles Outpatient Center staff comprises therapists, wellness advisers and other medical professionals - all collaborating to create a therapeutic community of positive growth.


Samantha Davidge

Clinical Director

Samantha Davidge is a Licensed Clinical Social Worker with a Masters of Social Work from the University of Southern California. Specializing in Anger Management and Conflict Resolution, Samantha readily serves individuals journeying through emotional difficulties.

In addition to her experience with mental and mood disorders, Samantha's professional experience includes directing violence prevention programs, ownership of a private psychotherapy practice, and providing counseling to individuals suffering with a terminal illness. Her success in assisting clients has helped resolve symptoms related to anxiety, stress, trauma, PTSD, abandonment, grief, and loss.

Helping others is a calling that goes back to her childhood. Samantha recalls riding her bicycle around her neighborhood as a child to visit elderly neighbors. Those visits, as well as her experience growing up in a foster home environment, surely helped pave the way to her career choice.

Haroon Burhanullah, MD


Dr. M. Haroon Burhanullah is a board-certified psychiatrist with experience in consultation psychiatry, emergency psychiatry, and geriatric neuropsychiatry. He graduated from Dow Medical College in Pakistan before completing postdoctoral work in neuroimaging at Johns Hopkins University.

He has published in several peer-reviewed journals, including the highly respected American Journal of Geriatric Psychiatry. Dr. Burhanullah is deeply committed to treating each patient with utmost care and respect. He is passionate about working with the most vulnerable patients, including those with moderate to severe behavioral problems whose families often suffer from caregiver burnout.


Roxana Preciado

ED Therapist

Roxana Preciado is an Associate Marriage and Family Therapist with a Bachelor of Arts in Psychology and a Master of Science in School-Based Family Counseling, with a Pupil Personnel Services (PPS) and Child Welfare Attendance (CWA) credential.

Roxana's specialization in trauma has led her to develop a holistic approach that prioritizes cultural humility and focuses on the individual client's experience. She draws from her work surrounding trauma resilience, identity development, ED issues, LGBTQ+ related issues, and community to complement her trauma-informed, client-centered, affirmative care. Roxana practices through an attachment lens, integrating aspects of solution-focused therapy, psychodynamic theory, mindfulness, and evidence-based approaches, including DBT, Narrative Therapy, and CBT, to best suit the client's needs. More than anything else, Roxana values the importance of developing a strong therapeutic relationship in which clients can feel safe to explore and express themselves without judgment. By highlighting resilience and helping to foster hope, Roxana helps her clients recognize that their goals are attainable and change is possible.

Natzayeth Barrales

Primary Therapist

Natzayeth Barrales is an Associate Marriage and Family Therapist. She received her Master of Science in Counseling Psychology from California Baptist University. Natzayeth has experience working with people from varying ethnic backgrounds and socioeconomic statuses who struggle with depression, anxiety, psychosis, trauma, inattention, impulsivity, addiction, low self-worth, and more. She is experienced in Cognitive Behavioral Therapy (CBT), Trauma, Grief and Loss, Self-Esteem, Stress Management, Solution Focused Therapy, Play Therapy, and Triple P Parenting. She believes in creating a safe place for her clients where they can feel seen, heard, and empowered to grow and make lasting changes. She is passionate about walking alongside others in their journey as they seek to find healing.


Dina Posey

Primary Therapist

Dina Posey is a Licensed Marriage and Family Therapist with over eleven years of experience. She has experience conducting individual, group, and couples counseling. Dina has also taught a wide range of educational classes, including Anger Management, Overcoming Depression, Social Skills Training, Managing Stress, and Repairing Broken Relationships. Dina's counseling approach combines Positive Psychology, Cognitive Behavior Therapy, and Narrative and Solution Focus Therapy. She helps clients recognize their strengths and find sound solutions to become narrators of their new stories. Her focus is to help clients celebrate the uniqueness that makes them who they are.

Samantha Cherin

Director of Nursing

Samantha Cherin is a passionate and skilled professional with over 20 years of extensive experience within the medical field. She earned her dual Master's Degrees as a Nurse Practitioner and Clinical Nurse Specialist from UCLA. Prior to completing her Master of Nursing Science (MSN) degree, Samantha worked as a paramedic in Los Angeles County, completed a BA in Psychology from UCLA, and a BSN from Melbourne University, Australia. She has also coordinated and served as a sub-investigator in oncology, neurology, and regenerative medicine clinical research trials.

Samantha uses her abundance of knowledge and first-class education to grow and establish client care. She's passionate about delivering high-quality, evidence-based healthcare.