Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Greggory Hronec

Specialist in Lindenhurst, NY · enumerated 2014.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1447663828

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Registry record

Entity type Individual (Type 1)

Name Greggory Hronec

Sex Male

Practice address 1090 N Alleghany Ave, Apartment 7, Lindenhurst, NY, 11757

Phone (516) 242-2589

Enumeration date Jun 3, 2014

Last updated in NPPES Jun 3, 2014

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 1344545 (NY) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Greggory Hronec?

The National Provider Identifier (NPI) for Greggory Hronec is 1447663828, a Type 1 (individual) record in the CMS NPPES registry.

Where does Greggory Hronec practice?

The practice location on file with NPPES is in Lindenhurst, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-06-03.