• Neuropsychological assessment
  • Expert witness testimony in personal injury litigation
  • Fitness-for-duty and disability evaluations
  • Psychotherapy with children, adolescents, and adults


DR. DAVID D. O’GRADY is a clinical neuropsychologist with extensive experience diagnosing and treating neurobehavioral conditions in adults and children.  Board certified in the specialty of neuropsychology, Dr. O’Grady performs neurocognitive evaluations to assist in diagnosing brain disorders and related cognitive impairment and behavioral conditions.  He is an assistant clinical professor at UC Berkeley.

Dr. O’Grady has been practicing in Walnut Creek for 30 years.  He provides clinical consultation and psychotherapy for patients throughout the San Francisco Bay Area. Approximately 30% of his practice is medical-legal consultation.  He has served as a retained expert for more than 200 litigated cases involving traumatic brain injury, toxic exposure, and emotional trauma.  Dr. O’Grady conducts independent medical examinations (IMEs) for insurance carriers to evaluate disability claims.  He also evaluates employees to assess fitness for duty.  Dr. O’Grady travels throughout California, Nevada and Alaska to perform IMEs.

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Assistant Clinical Professor University of California, Berkeley
Consulting neuropsychologist to:
• Lawrence Berkeley National Laboratory
• Kaiser Permanente Medical Centers
• John Muir Medical Group

President, Northern California Neuropsychology Forum
President, Contra Costa Psychological Association
Clinical Director, Family Services of Contra Costa
Director of Training, Walnut Creek Hospital
Consulting Neuropsychologist, Golden State Rehabilitation Hospital
Consulting Neuropsychologist, Los Medanos Community Hospital
Consulting Neuropsychologist, Mt. Diablo Rehabilitation Center
Professor, John F. Kennedy University
Research Associate, University of California, Berkeley, Institute of Human Development

Post-doctoral Fellow, UCSF Medical Center, Division of Behavioral Pediatrics
Ph.D.  California School of Professional Psychology at Berkeley
M.S.    San Francisco State University
B.A.    Johnston College at the University of Redlands

California licensed psychologist
Board certified clinical neuropsychologist, American Board of Professional Psychology (ABPP)
Member, American Academy of Clinical Neuropsychology
Member, National Academy of Neuropsychology
Member, American Psychological Association
Member, National Register of Health Service Providers in Psychology
Past President, Northern California Neuropsychology Forum
Past President, Contra Costa Psychological Association
Member, San Francisco Neurological Society