American Nurses Association:

Wisconsin Nurses Association​​:

NIDA (National Institute on Drug Abuse):

Your State Board of Nursing

If in Wisconsin you can find the board here...

Board of Nursing - Wisconsin

To find Wisconsin resources and treatment with interactive map:

One nurse's journey through addiction

Department of Justice
Drug Enforcement Administration
Office of Diversion Control
Liaison and Policy Section
Washington, D.C. 20537

SAMHSA: Substance Abuse and Mental Health Services Administration