Clinical psychologist Kristin J. Matteson, PhD in Carlsbad Village has maintained a private practice on Oak Avenue since receiving her California license in the mid-1990s. As a certified EMDR therapist and Flash Technique practitioner trained by the protocol's developer Phil Mansfield, PhD, Dr. Matteson treats trauma, ADHD, and anxiety using reprocessing methods that complement the pain-management referral pathways at Phillips Chiropractic for patients with somatic symptom overlap. Her clinical scope covers anger management, attention-deficit disorders, and complex psychological presentations across children, adolescents, and adults. Dr. Matteson accepts Medicare-approved amounts as payment in full and carries Cigna as a contracted insurance panel. Medication management for patients on concurrent psychotropic protocols is coordinated with prescribers and dispensed through neighborhood pharmacies including Carlsbad Village Pharmacy on State Street. The Flash Technique protocol enables trauma reprocessing with minimal client distress by targeting memory networks through brief, interrupted bilateral stimulation sets rather than sustained exposure.