Meet Dr. William Chan, PSY.D. at Banyan Behavioral Health in San Mateo, CA
Dr. William Chan is a licensed psychologist with expertise in treating anxiety and mood disorders using Cognitive Behavioral Therapy (CBT) and other evidence-based approaches. He creates a safe, trusting environment for clients to build insight, cope with stressors, and gain acceptance. Dr. Chan specializes in empowering clients to face their fears and develop skills to manage emotional distress. Additionally, he is involved in innovative research on virtual reality exposure therapy and improving access to psychological care for women at risk for eating disorders. For more information, contact us or request an appointment online. We are conveniently located at 100 S. Ellsworth Ave, Suite 802, San Mateo, CA 94401. We serve patients from San Mateo CA, Redwood City CA, Burlingame CA, Foster City CA, Belmont CA, San Bruno CA, and surrounding areas.


Dr. William Chan, PSY.D.
Founder and Clinic Director
Licensed Clinical Psychologist
Speaks Cantonese and Mandarin
(he/him/他)
Table of Contents:
Where did Dr. William Chan receive specialized postdoctoral training in mood and anxiety disorders?
What therapeutic approach does Dr. William Chan use, and how does he personalize treatment for his clients?
What research projects is Dr. William Chan currently working on?
Dr. William Chan earned his doctorate from PGSP-Stanford Psy.D. Consortium. He received specialized postdoctoral training in mood and anxiety disorders at Pacific Anxiety Group. He received training at UC Davis and Santa Clara University to work with international students and LGBT issues. In addition, Dr. Chan is an Adjunct Clinical Faculty member at Stanford University, Department of Psychiatry and Behavioral Sciences.
Dr. Chan has expertise in treating anxiety and mood disorders. He is trained in Cognitive Behavioral Therapy (CBT) and integrates other evidence-based approaches to personalize treatment based on his clients’ presentations. He pays special attention to creating a trusting and safe environment to help his clients build insights and skills to learn new ways to cope with stressors and gain acceptance. He recognizes that change is scary and hard. Thus, he aims to compassionately empower his clients to effectively address their concerns head-on and face their fears so they can grow their confidence and ability to tolerate and manage emotional distress.
Dr. Chan also spends some of his time doing research. He developed a virtual reality exposure therapy for adults with social anxiety disorder. He also studies how to use chatbots to improve accessibility of psychological care to women at risk for developing an eating disorder.
EDUCATION
● Doctor of Psychology (Clinical Psychology)
PGSP-Stanford Psy.D. Consortium
● Master of Science (Clinical Psychology)
PGSP-Stanford Psy.D. Consortium
● Bachelor of Business Administration (Marketing)
Hong Kong University of Science and Technology
EXPERTISE
● Immigration issues
(work and student and other non-immigrant visas)
● LGBT and other identity issues
● Anxiety
● Depression
● OCD
● Adjustment issues
PUBLICATIONS
Chan, W.W.*, Fitzsimmons-Craft, E.E.*, Smith A.C., Firebaugh M.L., Fowler L.A., DePietro B., Topooco N., Wilfley D.E., Taylor C.B., Jacobson N.C. (2022 Jan) The Challenges in Designing a Prevention Chatbot for Eating Disorders: Observational Study. JMIR Formative Research, 19;6(1):e28003
● Fitzsimmons-Craft, E.E.*, Chan, W.W.*, Smith, A. C., Firebaugh, M.-L., Fowler, L. A., Topooco, N., DePietro, B., Wilfley, D. E., Taylor, C. B., & Jacobson, N. C. (2022). Effectiveness of a chatbot for eating disorders prevention: A randomized clinical trial. International Journal of Eating Disorders, 55(3), 343–353.
●Zainal, N. H., Chan, W. W., Saxena, A.P., Taylor, C. B., Newman, M.G. (2021) Pilot Randomized Trial of Self-Guided Virtual Reality Exposure Therapy for Social Anxiety Disorder. Behavior Research and Therapy