EXCLUDEDPROVIDER
Individual Drug Felony

William Lee Matzner

Simi Valley, CA 93094

Public HHS-OIG LEIE exclusion record

William Lee Matzner of Simi Valley, CA is registered in the CMS NPI Registry under National Provider Identifier (NPI) 1306905716 with a primary specialty of Internal Medicine. According to the HHS-OIG List of Excluded Individuals/Entities (LEIE), William Lee Matzner is currently excluded from participation in federally funded health care programs due to felony conviction relating to controlled substance, as of June 20, 2019.

Status
Currently listed by HHS-OIG
Record type
Individual
Location
Simi Valley, CA 93094
Exclusion date
June 20, 2019
Exclusion type
Drug Felony (1128a4)
NPI
1306905716

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 latest imported LEIE dataset lists this record as currently excluded from participation in federally funded health care programs. The exclusion date shown in the source record is June 20, 2019, and the exclusion type is 1128a4, identified by HHS-OIG as felony conviction relating to controlled substance.

Source record

SourceHHS-OIG LEIE (public dataset)
Record typeIndividual
Current statusCurrently listed by HHS-OIG
Exclusion dateJune 20, 2019
Exclusion typeFelony conviction relating to controlled substance (1128a4)
NPI1306905716
Source dataset dateMay 2026

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. It does not independently verify or explain the HHS-OIG exclusion record above. Verify exclusion status directly with HHS-OIG.

Other excluded providers in Simi Valley, CA

Other individuals and entities currently listed in the HHS-OIG LEIE public dataset with a Simi Valley, CA address.

Gaylene Rae Char Individual Patient Abuse
Simi Valley, CA · Conviction relating to patient abuse or neglect · Excluded Aug 2016
James Owens Individual Loan Default
Simi Valley, CA · Default on health education loan or scholarship obligations · Excluded May 2016
Isabel A Johnson Individual Revocation
Simi Valley, CA · License revocation, suspension, or surrender · Excluded Aug 2011
Julie Marie Smith Individual Felony Fraud
Simi Valley, CA · Felony conviction relating to health care fraud · Excluded Jun 2009
Laurette Barbara Karaba Individual Revocation
Simi Valley, CA · License revocation, suspension, or surrender · Excluded Oct 2007
Low Back Pain Clinic Entity Controlled Entity
Simi Valley, CA · Entities controlled by a sanctioned individual · Excluded Apr 2004
Charles C Neault, D C Entity Controlled Entity
Simi Valley, CA · Entities controlled by a sanctioned individual · Excluded Apr 2004
Donny Aries Posner Individual Drug Felony
Simi Valley, CA · Felony conviction relating to controlled substance · Excluded Jan 2004

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.

Verify this record with the official HHS-OIG source Save or print this record Monitor this provider/entity Need to screen a list? Join the bulk screening beta

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