Rachyll Dempsey, PsyD

Dr. Rachyll Dempsey, PsyD

Expedient Medicolegal Services
16060 Ventura Blvd., STE 110, #715
Encino, CA 91436
Office: 888-720-2552

Dr. Dempsey is a Forensic Neuropsychologist licensed as a psychologist in 2006 by the California Board of Psychology; as a psychologist in 2022 by the Nevada and Alaska Boards of Psychology; Board Certified as a Forensic Psychologist through the American Board of Professional Psychology (ABPP) in 2017; became a Qualified Medical Evaluator certified by the Worker’s Compensation Appeals Board (WCAB) in 2014; certified as an Independent Practitioner by the California Sex Offender Management Board (CASOMB) in 2012; and was President of the Northern California Neuropsychology Forum (NCNF) 2015-16 and Chapter Chair of California Coalition on Sex Offending (CCOSO) 2016-17. She spent six years as a licensed psychologist working as Assessment Coordinator and supervisor for trainees at San Quentin State Prison and is currently CEO and Founder of Psychological Assessment, Inc., a corporation providing psychological testing and assessment in forensic and non-forensic domains, competency restoration program, sex offender treatment, and corporate services. In her career, she has conducted thousands of various psychological assessments and interviews, testified or been deposed in over a hundred cases (both criminal and civil) as an expert witness, taught assessment and forensic psychology at several universities, worked as a consultant for attorneys and psychologists, and has supervised psychology trainees. Dr. Dempsey has been qualified as an expert in civil, criminal, probate, and dependency courts including, but not limited to: forensic psychologist, neuropsychologist, correctional specialist, sex offender specialist, competency expert, expert on elder competency, and developmental specialist in court.

Areas of Expertise
  • Brain Injury
  • Child Sexual Abuse
  • Disability
  • Geriatrics
  • Independent Medical Examinations
  • Neurodevelopmental Disorder/Disability
  • Neuropsychology
  • Psychology
  • Sexual Abuse
  • Spousal Abuse
  • Stress
  • Vocational Evaluation & Rehabilitation


Available Upon Request