Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GREGORY M TANANA DDS
NPI 1790792919
Dentist - General Practice in Easton, MA

Q: What is Gregory Tanana's NPI number?

The NPI number for Gregory Tanana is 1790792919. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Q: What is Gregory Tanana's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Tanana was last updated on August 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 01, 2006

523 FOUNDRY STREET, EASTON, MA 02334(508) 238-4265(508) 230-2451 Get Directions Write a Review

NPPES record last updated: August 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Gregory M Tanana Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY M TANANA DDS (NPI 1790792919) is an individual general practice provider in Easton, Massachusetts, licensed in Massachusetts (12959) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1790792919

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameGREGORY M TANANACredential: DDS

Location Address523 FOUNDRY STREETEaston, MA 02334

Mailing AddressPo Box 205Easton, MA 02334-0205 · (508) 238-4265 · Fax (508) 230-2451

Phone(508) 238-4265

Fax(508) 230-2451

Sole ProprietorNo

Enumeration DateAugust 1, 2006

Last NPPES UpdateAugust 9, 2026

✔ NPI 1790792919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MA · 12959

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

523 FOUNDRY STREET, Easton, MA 02334

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Tanana's NPI number?

The NPI number for Gregory Tanana is 1790792919. It was assigned to this individual provider in the NPPES registry on August 1, 2006.

Where is Gregory Tanana located?

Gregory Tanana practices at 523 Foundry Street, Easton, MA 02334. The listed phone number is (508) 238-4265.

What is Gregory Tanana's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Gregory Tanana was last updated on August 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.