From their website:
The Department of Health Care Services (DHCS) ensures the provision of quality treatment through the enforcement of standards for professional and safe treatment.
The Substance Use Disorder (SUD) Compliance Division investigates complaints against California's alcohol and other drug (AOD) recovery and treatment programs. The SUD Compliance Division also investigates violations of the code of conduct of registered or certified AOD counselors. Alcohol or Drug Abuse Recovery or Treatment Facilities licensed or certified by DHCS are required to report counselor misconduct to DHCS within 24 hours of the violation.
There are links for forms you can download along with fax information.
Department of Health Care Services
Substance Use Disorder Services
P.O. Box 997413
MS# 2601
Sacramento, CA 95899-7413Fax form to: (916) 440-5094
Complaints for Residential Adult Alcoholism or Drug Abuse Recovery or Treatment Facilities may also be made by telephoning the appropriate licensing branch listed below:
SUD Compliance Division:
Public Number: (916) 322-2911
Toll Free Number: (877) 685-8333