EXCLUDEDPROVIDER
Individual Program Crime

John Francis III Gargan

New York, NY 10036

Public HHS-OIG LEIE exclusion record

John Francis III Gargan of New York, NY is registered in the CMS NPI Registry under National Provider Identifier (NPI) 1437356789 with a primary specialty of Nurse Practitioner, Family. According to the HHS-OIG List of Excluded Individuals/Entities (LEIE), John Francis III Gargan is currently excluded from participation in federally funded health care programs due to conviction of program-related crimes, as of January 19, 2023.

Status
Currently listed by HHS-OIG
Record type
Individual
Location
New York, NY 10036
Exclusion date
January 19, 2023
Exclusion type
Program Crime (1128a1)
NPI
1437356789

Record summary

John Francis III Gargan appears in the HHS-OIG List of Excluded Individuals/Entities (LEIE) public dataset as an individual record associated with New York, New York. 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 January 19, 2023, 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 dateJanuary 19, 2023
Exclusion typeConviction of program-related crimes (1128a1)
NPI1437356789
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 New York, NY 10036. The listed provider category is Individual - Licensed Health Care Service Provider. The listed specialty is Nurse Practitioner.

NPI Registry context

The LEIE record lists NPI 1437356789. CMS NPPES public registry data lists this NPI as an individual record with primary taxonomy Nurse Practitioner, Family (363LF0000X). Registered practice location: New York, NY. NPI enumeration date: Jun 29, 2007. NPPES status: Active. The NPI Registry lists credential: NP.

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 New York, NY

Other individuals and entities currently listed in the HHS-OIG LEIE public dataset with a New York, NY address.

Nelly P Petrosyan Individual Program Crime
New York, NY · Conviction of program-related crimes · Excluded Jan 2026
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New York, NY · Conviction of program-related crimes · Excluded Jan 2026
David Anthony Greuner Individual Revocation
New York, NY · License revocation, suspension, or surrender · Excluded Dec 2025
Blanca Vanessa Alvarado Individual Program Crime
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Susan L Hertzberg Individual Program Crime
New York, NY · Conviction of program-related crimes · Excluded Apr 2025
Robert Hershel Zarabi Individual Drug Felony
New York, NY · Felony conviction relating to controlled substance · Excluded Sep 2023
Klaus Peter Rentrop Individual Kickbacks
New York, NY · Fraud, kickbacks, and other prohibited activities · Excluded Sep 2023
Denny E Martin Individual Program Crime
New York, NY · Conviction of program-related crimes · Excluded Jul 2023

See all 272 excluded providers in New York →

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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