Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Walton

Dental Anesthesiology in Stony Brook, NY · enumerated 2014.

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

National Provider Identifier

1295149912

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Registry record

Entity type Individual (Type 1)

Name Gregory Walton

Sex Male

Practice address Hospital Dentistry, Westchester Hall Rm. 151, Stony Brook, NY, 11794

Phone (631) 444-2557

Fax (631) 444-6013

Enumeration date Jun 20, 2014

Last updated in NPPES Sep 29, 2017

Taxonomy & licenses

1223D0004X Dental Anesthesiology Dental Providers · License 33390 (TX) 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 Gregory Walton?

The National Provider Identifier (NPI) for Gregory Walton is 1295149912, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Walton practice?

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

Other providers at this practice address

Browse all →

Inessa Safarov Student in an Organized Health Care Education/Training Program · Stony Brook, NY NPI 1811230576 Timothy Daws Student in an Organized Health Care Education/Training Program · Stony Brook, NY NPI 1821432527

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-09-29.