Record summary
William Lee Matzner appears in the HHS-OIG List of Excluded Individuals/Entities (LEIE) public dataset as an individual record associated with Simi Valley, California. The exclusion date shown in the source record is June 20, 2019. The exclusion type is 1128a4, identified by HHS-OIG as felony conviction relating to controlled substance.
Source record
What this exclusion type means
HHS-OIG identifies exclusion type 1128a4 as “Felony conviction relating to controlled substance.” Felony conviction relating to a controlled substance (mandatory exclusion, minimum 5 years).
This exclusion type is a statutory category used by HHS-OIG in the LEIE dataset. The category describes the legal authority associated with the exclusion record, not a separate investigation or additional reporting by Excluded Provider.
Location and provider classification
This LEIE record is associated with Simi Valley, CA 93094. The listed provider category is Physician (MD, DO). The listed specialty is Internal Medicine.
NPI Registry context
The LEIE record lists NPI 1306905716. CMS NPPES public registry data lists this NPI as an individual record with primary taxonomy Internal Medicine (207R00000X). Registered practice location: Simi Valley, CA. NPI enumeration date: Dec 8, 2006. NPPES status: Active. The NPI Registry lists credential: M.D., Ph.D..
NPI Registry data is administrative provider-identification data from CMS. The NPI above is the one written in the LEIE record; this page does not confirm that the registry entry and the LEIE record refer to the same provider, and registry data does not verify or explain the exclusion. Verify identity and exclusion status directly with HHS-OIG.
Other excluded providers in Simi Valley, CA
Other individuals and entities in the latest imported HHS-OIG LEIE file with a Simi Valley, CA address.
See all 14 excluded providers in Simi Valley →
How to verify this record
This page is a public-record summary and should be treated as a possible LEIE match, not final identity verification. To verify the record, use the official HHS-OIG LEIE search and compare available identifying information through the official process. Name, location, provider category, specialty, exclusion date, and NPI should be treated as matching clues rather than final proof of identity.
What this page does not include
This page summarizes the HHS-OIG LEIE public dataset only. It does not search state Medicaid exclusion lists, state licensing-board actions, court records, malpractice records, employment history, civil lawsuits, or non-public investigations.
Remove or correct this record →