Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Arron Jordan Gravina

Otolaryngology Physician in Port Jefferson Station, NY · enumerated 2018 · practices at North Shore Hematology/Oncology Associates PC.

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

National Provider Identifier

1538665666

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Registry record

Entity type Individual (Type 1)

Name Arron Jordan Gravina

Sex Male

Practice address 1500 Route 112 Bldg 4, Port Jefferson Station, NY, 11776

Phone (631) 928-0188

Fax (631) 928-0185

Enumeration date Apr 5, 2018

Last updated in NPPES Jun 5, 2026

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 341410 (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.

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Frequently asked questions

What is the NPI number for Arron Gravina?

The National Provider Identifier (NPI) for Arron Gravina is 1538665666, a Type 1 (individual) record in the CMS NPPES registry.

Where does Arron Gravina practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-05.