Chemical Dependency Professionals of Washington State (CDPWS)

CDPWS was founded to establish a forum whereby common interests and concerns are discussed, thereby bringing about better communications among professional personnel; to create a voice on policy; to recommend guidelines and standards for chemical dependency facilities, programs, and personnel; to take whatever actions are deemed necessary to improve the effectiveness of work on behalf of the chemically dependent and their families. CDPWS is the Washington state affiliate of NAADAC.

Contact Information


Terri Roper, MS, NCAC II

Regional Vice President

Malcolm Horn, PhD, LCSW, MAC, SAP

affiliate website


Washington State Department of Health
* Exam use - NCAC I & II, MAC (for Clinical Supervision) 

NAADAC Approved Education Providers

Education Programs

The Addiction Technology Transfer Center (ATTC) maintains the Directory of Addiction Study Programs (DASP), a comprehensive list of institutions offering certificate, associate, bachelor, master and/or doctoral programs in substance use disorders.

U.S. Department of Transportation Substance Abuse Professionals

Find a U.S. Department of Transportation Substance Abuse Professional