About Dr. Fabian

John Matthew Fabian, PSY.D., J.D., ABPP is a board certified forensic and clinical psychologist by the American Board of Professional Psychology (ABPP), and fellowship trained clinical neuropsychologist. Dr. Fabian has a national practice specializing in criminal and civil forensic psychological and neuropsychological evaluations.   Dr. Fabian was formerly director of a state court psychiatric clinic, and he has worked in adult and juvenile court psychiatric clinics, a state forensic hospital, and a Federal Bureau of Prison forensic center. He has examined approximately 3500 criminal forensic cases, including 450 murder cases.  His areas of expertise include but are not limited to competency to stand trial, competency to waive Miranda rights and false confessions, not guilty by reason of insanity, diminished capacity, death penalty mitigation and intellectual disability, military forensic mental health assessment, sexually violent predator civil commitment, internet pornography/solicitation, juvenile homicide, juvenile sentencing and waiver cases, traumatic brain injury and PTSD.  Dr. Fabian also has extensive experience working as a clinical neuropsychologist at the University of New Mexico School of Medicine, Center for Neuropsychological Services, and at the Veteran’s Administration Polytrauma Traumatic Brain Injury and PTSD Unit. Dr. Fabian has evaluated and testified as a forensic psychologist and neuropsychologist across the United States. He is a recognized expert in the forensic neuropsychological assessment of violent and sexually violent offenders.  In addition to teaching courses in forensic psychology, neuropsychology and the law, and violence risk assessment in college graduate and medical school settings, he is published in law review, peer review, and bar journals. Dr. Fabian is an unparalleled expert witness having earned his Juris Doctorate to compliment his extensive forensic psychology and neuropsychology expertise.

Dr. Fabian has evaluated of a variety of patients (children, adolescents, adults, and geriatrics) with diverse neuropathology and psychopathology.  Such conditions and evaluations include:

  • Traumatic brain injury, epilepsy, mental retardation, cerebral-vascular disorders, brain tumor, ECT, multiple sclerosis, HIV/AIDS, dementia, ADHD, chronic medical conditions, children, adolescents, and adults with developmental disorders and mental retardation, and various psychiatric disorders including schizophrenia, bipolar disorder, substance abuse, and personality disorders.
  • Pre- and post-operative neuropsychological evaluations and Wada testing for epilepsy surgery candidates.
  • Forensic-legal issues including competency to consent to treatment, decisional capacity, and guardianship.
  • University athletes (men’s and women’s soccer, and men’s football) for neuropsychological pre- and post-concussion study. Assisted behavioral neurologist at UNM Mind Institute with evaluating clinical neurology patients.  Provided regular consultations to both neurology and psychiatry physicians and medical residents.

Dr. Fabian is a member of the following professional organizations:  American Psychological Association, Division 41 American Psychology-Law Society, American Academy of Clinical Neuropsychology Affiliate Member and Association for the Treatment of Sexual Abusers-Clinical.