
Understanding the DUI/DWI Evaluation Process in Nassau County
Samantha Callister, LMSW, CASAC-M
Executive Director
Samantha Jean Callister is a Co-Founder and Executive Director at Integrity Treatment Partners. She is a Licensed Master Social Worker (LMSW) and Credentialed Alcoholism and Substance Abuse Counselor - Master Level (CASAC-M) with a focus on addiction treatment and behavioral health. She holds a Master of Social Work (MSW) from Fordham University and has extensive experience providing counseling and support for individuals with substance use disorders in New York. Based in Long Island, Samantha specializes in evidence-based therapies such as cognitive-behavioral therapy (CBT), dialectical behavior therapy (DBT), and trauma-informed care for co-occurring conditions like anxiety, depression, and PTSD. Her work emphasizes holistic recovery, family involvement, and relapse prevention, aligning with OASAS guidelines to deliver compassionate, client-centered care. Samantha was crucial in founding Integrity Treatment Partners alongside Michael Mechow, John Anderson, and Josh Goldfeder.

