News Story


Interagency Pharmaceutical Crimes Unit & District Attorney File Charges Against Doctor
4/20/2016 3:18:00 PM


Nature of Incident:

Simi Valley Physician Appears in Court on Drug Charges

Report Number:



Simi Valley, CA

Date & Time:

April 20, 2016

Unit(s) Responsible:

Ventura County Interagency Pharmaceutical Crimes Unit


(S)uspects, (V)ictims, (P)arty, (D)ecedent

City of Residence


(S) Dr. William Matzner

Simi Valley



Earlier this year, investigators from the Ventura County Interagency Pharmaceutical Crimes Unit concluded their investigation into Simi Valley Physician William Matzner.  The case was related to a lengthy investigation centered on prescription drugs coming from Dr. Matzner's office for reasons other than legitimate medical purposes. The investigation revealed Dr. Matzner's office had become a source of supply for drug seeking and drug dealing patients. The case was presented to the Ventura County District Attorney's Office who elected to file two counts of furnishing controlled substances and two counts of unlawfully providing a controlled substance prescription.


On April 20, 2016, William Matzner appeared in Ventura County Superior Court to be arraigned on the above listed charges.  His arraignment was continued to May 10, 2016.


The Ventura County Interagency Pharmaceutical Crimes Unit is a task force made up of members from the Ventura County Sheriff's Office, Simi Valley Police Department, Thousand Oaks Police Department, the District Attorney's Office Bureau of Investigation, the California Highway Patrol, the Health Quality Investigation Unit of the California Division of Investigation, and the California Department of Health Care Services. The primary mission of the task force is combatting the transfer of legal prescription medication to the illegal market. In addition, the task force works to identify and stop new trends of abuse among the younger population and investigates overdose deaths due to both prescription medication and illicit drug use. Information regarding criminal activity may be emailed to or called in to (805) 383-8700.



Prepared by:

Sergeant Victor Fazio


News Release Date:

April 20, 2016


Media Follow-Up Contact:

Detective Micah Weilbacher

(805) 797 6401



Approved by:

Captain Robert Thomas