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

DR. GREGORY ROBERT FLANNERY DDS
NPI 1093787012
Dentist - General Practice in Corvallis, OR

Q: What is Gregory Flannery's NPI number?

The NPI number for Gregory Flannery is 1093787012. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Q: What is Gregory Flannery'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 Flannery was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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 February 03, 2006

833 NW 23RD ST, CORVALLIS, OR 97330(541) 758-5759(541) 758-5759 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. Gregory Robert Flannery Dds NPPES

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

DR. GREGORY ROBERT FLANNERY DDS (NPI 1093787012) is an individual general practice provider in Corvallis, Oregon, licensed in Oregon (D6641) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1093787012

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. GREGORY ROBERT FLANNERYCredential: DDS

Location Address833 NW 23RD STCorvallis, OR 97330

Mailing Address833 Nw 23rd StCorvallis, OR 97330 · (541) 758-5759

Phone(541) 758-5759

Fax(541) 758-5759

Sole ProprietorNo

Enumeration DateFebruary 3, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1093787012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in OR · D6641

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.

833 NW 23RD ST, Corvallis, OR 97330

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Delta Dental Plan of Oregon.Insurance ›

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 Flannery's NPI number?

The NPI number for Gregory Flannery is 1093787012. It was assigned to this individual provider in the NPPES registry on February 3, 2006.

Where is Gregory Flannery located?

Gregory Flannery practices at 833 NW 23rd St, Corvallis, OR 97330. The listed phone number is (541) 758-5759.

What is Gregory Flannery's specialty?

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

What insurance does Gregory Flannery accept?

Health plans from Delta Dental Plan of Oregon list Gregory Flannery as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Flannery was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.