Diana Bastien, PsyD, ABPP
CAPSS Clinical Associate
Board Certified Clinical Child and Adolescent Psychologist
Licensed Psychologist (WA)
PSYPACT Authorized
Diana Bastien, PsyD, ABPP, is a board-certified clinical child and adolescent psychologist who works with children, teens, and their parents. She is one of 13 licensed psychologists in Washington who is board certified by the American Board of Professional Psychology (ABPP) with a specialty in clinical child and adolescent psychology. Dr. Bastien offers psychotherapy using treatment approaches shown to be effective in research studies. She has completed ECHO Autism: Mental Health, which is a specialized training in providing cognitive behavioral therapy to autistic youth, at the University of Missouri School of Medicine. She has extensive experience providing therapy via telehealth to children, and her practice is exclusively telehealth. Dr. Bastien’s areas of expertise and interest include:
Obsessive-compulsive disorder (OCD) and related conditions
Anxiety, including generalized anxiety, social anxiety, illness and health anxiety, separation anxiety, and specific phobias
Functional neurological symptom disorder (formerly termed “conversion disorder”)
PANS/PANDAS
Tic disorders, including Tourette’s Disorder, and chronic motor or vocal tics
Autism and other forms of neurodiversity
Insomnia and other sleep concerns
Dr. Bastien has published papers in several peer-reviewed journals, including Journal of Child and Adolescent Psychopharmacology, Pediatric Emergency Care, and Psychiatric Clinics of North America. She spent two years as an Elected Board of Directors Member with the Northwest PANDAS/PANS Network, a non-profit organization that serves as a local resource on PANS and autoimmune encephalitis for parents, families, medical professionals, and others impacted by these illnesses. She serves as an early career psychologist mentor to graduate students through the Society of Clinical Child and Adolescent Psychology as well as the Society of Pediatric Psychology, and a mentor to candidates seeking specialty board certification in clinical child and adolescent psychology through ABPP.
Experience
• Private Practice, 2023-current
• Seattle Children’s Hospital, Outpatient Psychiatry and Behavioral Medicine: Consulting Medical Staff, 2024-current; Primary Psychologist, Anxiety Intensive Program, 2023-2024; Staff Psychologist, 2021-2024
• The Pediatric Center at Lester E. Cox Medical Center South, Staff Psychologist, 2019-2021
Training
• The Pediatric Center at Lester E. Cox Medical Center South, post-doctoral fellowship in pediatric primary care, 2018-2019
• Royal Oaks Hospital, National Psychology Training Consortium, pre-doctoral internship with emphasis in clinical child and adolescent acute psychiatry services (APA-accredited), 2017-2018
Education
• Psy.D., Florida School of Professional Psychology (APA-accredited), 2018
• M.A., Florida School of Professional Psychology, 2013
• B.A., University of South Florida, 2010
Insurance & Policies
Dr. Bastien is not contracted with any insurance companies, but can provide you with an itemized invoice for possible third-party reimbursement. Please check with your insurance provider for details about out-of-network benefits.
To find out more information about Dr. Bastien and the services she provides, please visit her website.
You can also contact Dr. Bastien via email at dbastien@capsseattle.com.
You may access Dr. Bastien’s HIPAA privacy statement here, and her statement regarding surprise medical bills here.
If you are interested in working with Dr. Bastien, please complete our New Client Inquiry form.