Dr. Susana Castellanos

Dr. Susana Castellanos, PhD, is a Licensed Clinical Psychologist with more than 21 years of clinical experience. Born and raised in California’s Central Valley, she earned her undergraduate degree from California State University, Fresno, and her doctoral degree in Clinical Psychology from the California School of Professional Psychology at Alliant International University (AIU) in Fresno, California.

Dr. Castellanos is a proud veteran of the United States Air Force, where she completed her APA-accredited predoctoral internship at Wright-Patterson Air Force Base in Ohio. Since becoming licensed, she has served both military and civilian populations, including work with the Department of Defense, Department of Veterans Affairs and in private practice.

Drawing from her extensive experience across diverse settings, Dr. Castellanos provides compassionate, evidence-based psychological services tailored to the unique needs of each individual she serves.

She has experience in treating a variety of mental health issues including mood disorders, PTSD and personality disorders. She practices evidence based treatments including Cognitive Behavior Therapy (Cognitive Behavioral Therapy (CBT)), Prolong Exposure (PE), Cognitive Processing Therapy (CPT), Dialectical Behavior Therapy (DBT) (Dialectical Behavior Therapy (DBT)) and Acceptance Commitment Therapy (ACT).

Clients can expect a welcoming, supportive, and collaborative environment during their first session. The initial appointment is focused on getting to know the client, understanding their concerns, and learning about their personal history, strengths, and goals for treatment. Dr. Castellanos will conduct a comprehensive assessment to gain insight into the challenges the client is facing and discuss how therapy can help address their needs.

The first session is also an opportunity for clients to ask questions, share what they hope to achieve through therapy, and determine whether the therapeutic relationship feels like a good fit. Together, Dr. Castellanos and the client will begin developing a personalized treatment plan designed to support meaningful growth, healing, and lasting positive change.