About EBTCS Evidence Based Treatment Centers of Seattle has provided evidence-based outpatient care since 2002. We are a clinician-owned practice with four specialty programs (Child Anxiety, Adult Anxiety, DBT, and Eating Disorders) united by a commitment to rigorous, compassionate, empirically supported treatment. Clinical care, research, and training are integrated across the organization, and our policies are designed to support both high-quality care for our clients and the wellbeing of our ...