Diana Bastien, PSYD, ABPP

Diana  Bastien, PSYD, ABPP

Psychiatry and Behavioral Medicine

On staff since October 2021

Children's Title: Clinical Psychologist

  • Diana Bastien, PsyD, ABPP, is a clinical psychologist who specializes in the delivery of evidence-based treatment for children and adolescents. She is one of 10 psychologists within Washington who is board certified by the American Board of Professional Psychology with a specialty in clinical child and adolescent psychology. 

    Dr. Bastien earned her doctorate in clinical psychology at the Florida School of Professional Psychology, and completed her predoctoral internship at Royal Oaks Hospital, an acute inpatient psychiatric hospital, with an emphasis in child and adolescent psychology. Dr. Bastien completed her postdoctoral fellowship in pediatric primary care psychology, and continued as a psychologist to practice in pediatric primary care until relocating to be on medical staff with Seattle Children's Hospital. 

    Dr. Bastien has published papers in several peer-reviewed journals, including the Journal of Child and Adolescent Psychopharmacology, Pediatric Emergency Care, and Psychiatric Clinics of North America. 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.  

  • Manuscripts in Refereed Journals

    • Gerardi DM*, Murphy TK, Toufexis M, Hanks C
      Serotonergic or Anticholinergic Toxidrome: Case Report of a 9-Year-Old Girl.
      26425930 Pediatric emergency care, 2015 Dec. : 31(12)846-50
    • Gerardi DM*, Casadonte J, Patel P, Murphy TK
      PANDAS and comorbid Kleine-Levin syndrome.
      25329605 Journal of child and adolescent psychopharmacology, 2015 Feb. : 25(1)93-8 PMCID:PMC4340647
    • Toufexis MD, Hommer R, Gerardi DM*, Grant P, Rothschild L, D'Souza P, Williams K, Leckman J, Swedo SE, Murphy TK
      Disordered eating and food restrictions in children with PANDAS/PANS.
      25329522 Journal of child and adolescent psychopharmacology, 2015 Feb. : 25(1)48-56 PMCID:PMC4340640
    • Gerardi DM*, Brozyna-DeOleo C, Winesett SP, Gieron-Korthals M, Murphy TK
      Differentiation between complex tic and eyelid myoclonia with absences: Pediatric case report and brief literature review
      Journal of Neurological Research and Therapy, 2015 : 2(2)111-115
    • Murphy TK, Gerardi DM*, Leckman JF
      Pediatric acute-onset neuropsychiatric syndrome.
      25150567 The Psychiatric Clinics of North America, 2014 Sept. : 37(3)353-74
    • Murphy TK, Gerardi DM*, & Parker-Athill EC
      The PANDAS controversy: Why (and how) is it still unsettled?
      Current Developmental Disorders Reports, 2014 : 1(4)236-244
  • Presentations Title Event Location Date
    ADHD in pediatric primary care Missouri Psychological Association Integrated Care Roundtable Discussion Virtual Feb 3, 2022
    Special considerations in clinical child and adolescent psychology: a primer on risk assessment and diagnosis National Psychology Training Consortium Internship Didactics Virtual Jun 3, 2021
    Considerations in evidence-based risk assessment and differential diagnosis of children and adolescents Benchmarks at Burrell Behavioral Health Virtual May 21, 2021
    Pediatric safety assessment: research findings and clinical pearls Burrell Behavioral Health Youth Services Monthly Clinical Training Virtual Mar 24, 2021
    DSM-5: an overview of changes from DSM-IV Florida Psychological Association Southwest Regional Conference St. Petersburg, FL Apr 8, 2016
    Borderline personality disorder: investigating the female preponderance Eighth Combined Agency Training Institute Conference Sarasota, FL 2015
    Disordered eating and food restrictions in children with PANDAS/PANS Sixty-first American Academy of Child and Adolescent Psychiatry Conference San Diego, CA Oct. 2014
    Serotonergic or anticholinergic toxidrome: case report of a nine-year-old girl Twenty-fourth University of South Florida Health Research Day Tampa, FL Feb. 2014


Board Certification(s)

Psychology, Clinical Child & Adolescent

Medical/Professional School

Florida School of Professional Psychology at Argosy, Tampa, FL


Royal Oaks Hospital, Windsor, MO


Lester E Cox Medical Center South, Springfield, MO

Clinical Interests

Evidence-based treatment of anxiety disorders, OCD, tic disorders, and conversion disorder in children and adolescents; ERP and CBIT treatment in PANS/PANDAS; differential diagnosis in mood dysregulation and irritability; evidence-based risk assessment in children and adolescents, including those with autism spectrum disorder