Impulse Control Expert Witnesses

Sanjay Adhia, MD, MRO, is triple-Board-Certified in Psychiatry, Brain Injury Medicine, and Forensic Psychiatry. In addition to forensic/expert witness practice, Dr. Adhia treats patients with brain injuries, spinal cord injuries and recovery from stroke at renowned TIRR Memorial Hermann Hospital. 

His forensic practice focuses on the psychiatric factors and damages in cases of personal injury, medical malpractice, toxic exposure, testamentary capacity, undue influence and Dementia, TBI Brain injuries, competency, mental illness and complicating medical conditions.

Dr. Adhia treats and opines about Traumatic Brain Injury (TBI) in litigation as it can result in psychiatric or neurocognitive impairments. 

In all populations, he assesses PTSD, Anxiety, Depressive Disorders, risk of suicide, and malingering. 

Dr. Adhia is Associate Program Director for the Forensic Psychiatry Fellowship at University of Texas Health Science Center, McGovern School of Medicine where he is also an Assistant Professor of Psychiatry and Forensic Psychiatry mentor to residents.

Dr. Adhia volunteers with Physicians for Human Rights to assess victims of kidnapping and false imprisonment, human trafficking, undue influence, physical and sexual abuse, rape, and fear of imminent death. 

He conducts Independent Medical Examinations, review of records, and reports findings to courts and attorneys. He is available to testify in civil, criminal, probate, Federal, Immigration, military, and administrative jurisdictions.

Adhia & Associates also includes Kerry Mendes, MD—a Texas-based psychiatrist triple Board-Certified in General, Child & Adolescent, and Forensic Psychiatry—and Pia Quimson-Guevarra, DO, double Board-Certified in General and Forensic Psychiatry and licensed in Oregon and Washington. 

Drs. Mendes and Quimson-Guevarra also maintain active clinical practices alongside their forensic work: Dr. Mendes treats patients in Houston at Avenue360, and Dr. Quimson-Guevarra as director of Quimson Behavioral Health in Portland.

James H. Reich, MD, MPH, is a board-certified Forensic Psychiatrist with extensive civil psychiatry experience who has done hundreds of evaluations.

After getting his MD from the University of Colorado Medical Center in Denver, Dr. Reich earned his MPH at Yale University and did his psychiatric residency at UC Davis. Dr. Reich has held academic positions at Yale, Iowa, Harvard, and Brown Universities.  Currently, he has teaching appointments at the professor level at both UCSF and Stanford University. Throughout his career, he has published over a hundred peer-reviewed publications. 

Litigation Support - Dr. Reich’s services are available for civil and some criminal law cases. Clients are assured of his personal dedication to each case. He does high quality research, expert evaluations, writes a solid report, and will testify well. Dr. Reich has been deposed over 50 times.

Areas of Expertise:

Presentations - As faculty at the Stanford Forensic Fellowship program, Dr. Reich has given two talks to the group. On October 27, 2023, he presented, "What Gets Psychiatrists and other Medical Professionals into Problems with the Law or Regulators." On January 19, 2024, he presented a talk on Psychiatric Disability to the same group. Dr. Reich is also supervising a fellow on his project on competency issues in older physicians.