EXCLUDEDPROVIDER
Individual Program Crime

John A II Greager

Hinsdale, IL 60521

Public HHS-OIG LEIE exclusion record

John A II Greager of Hinsdale, IL is registered in the CMS NPI Registry under National Provider Identifier (NPI) 1427164722 with a primary specialty of Surgery. According to the HHS-OIG List of Excluded Individuals/Entities (LEIE), John A II Greager is currently excluded from participation in federally funded health care programs due to conviction of program-related crimes, as of April 18, 2024.

Status
Currently listed by HHS-OIG
Record type
Individual
Location
Hinsdale, IL 60521
Exclusion date
April 18, 2024
Exclusion type
Program Crime (1128a1)
NPI
1427164722

Record summary

John A II Greager appears in the HHS-OIG List of Excluded Individuals/Entities (LEIE) public dataset as an individual record associated with Hinsdale, Illinois. 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 April 18, 2024, and the exclusion type is 1128a1, identified by HHS-OIG as conviction of program-related crimes.

Source record

SourceHHS-OIG LEIE (public dataset)
Record typeIndividual
Current statusCurrently listed by HHS-OIG
Exclusion dateApril 18, 2024
Exclusion typeConviction of program-related crimes (1128a1)
NPI1427164722
Source dataset dateMay 2026

What this exclusion type means

HHS-OIG identifies exclusion type 1128a1 as “Conviction of program-related crimes.” Conviction of a criminal offense related to the delivery of an item or service under Medicare or a State health care program (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 Hinsdale, IL 60521. The listed provider category is Physician (MD, DO). The listed specialty is Surgery.

NPI Registry context

The LEIE record lists NPI 1427164722. CMS NPPES public registry data lists this NPI as an individual record with primary taxonomy Surgery (208600000X). Registered practice location: Lombard, IL. NPI enumeration date: Aug 21, 2006. NPPES status: Active. The NPI Registry lists credential: MD.

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 Hinsdale, IL

Other individuals and entities currently listed in the HHS-OIG LEIE public dataset with a Hinsdale, IL address.

Kimberly Ann Peterlin Individual Revocation
Hinsdale, IL · License revocation, suspension, or surrender · Excluded Oct 2003

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.

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Related

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