Dr. Krystal Piumatti is a licensed clinical and forensic psychologist specializing in psychological and neuropsychological evaluation and evidence-based psychotherapy. She earned her Doctorate in Clinical Psychology from the California School of Professional Psychology at Alliant International University, San Francisco, along with a Master of Arts in Clinical Psychology and a Postgraduate Certificate in Neuropsychological Assessment.

Dr. Piumatti's forensic practice encompasses court-ordered evaluations for competency to stand trial, insanity determinations, and diagnostic clarification. She has collaborated extensively with attorneys, physicians, social services, and county superior courts, and has served as an independent contractor for Solano and Yolo County Child Welfare Services, conducting comprehensive psychological assessments for parents involved in child welfare proceedings.

In her private practice, Dr. Piumatti provides evidence-based psychotherapy to adults across a broad range of mental health concerns, including trauma, acute stress, and substance use disorders. Her clinical background spans correctional, community, and academic settings.

As an Assistant Professor at California Northstate University, Dr. Piumatti teaches graduate courses in neuropsychological assessment, biological and cognitive bases of behavior, and consultation. She serves as a dissertation chair, provides clinical supervision to doctoral trainees, and is actively involved in faculty diversity and inclusion initiatives. Her international outreach work has extended to Ecuador, Peru, Colombia, Holland, Romania, and Mexico. Dr. Piumatti welcomes referrals for psychological assessment, forensic evaluation, and psychotherapy for adults.