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

DR. GREGORY NELSON BIGELOW D.M.D.
NPI 1821080177
Dentist - General Practice in Grants Pass, OR

Q: What is Gregory Bigelow's NPI number?

The NPI number for Gregory Bigelow is 1821080177. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Q: What is Gregory Bigelow'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 Bigelow 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 28 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 22, 2005

350 MERIDIAN WAY, GRANTS PASS, OR 97527(541) 476-4199(541) 476-7166 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Gregory Nelson Bigelow D.m.d. NPPES

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

DR. GREGORY NELSON BIGELOW D.M.D. (NPI 1821080177) is an individual general practice provider in Grants Pass, Oregon, licensed in Oregon (D5659) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1821080177

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. GREGORY NELSON BIGELOWCredential: D.M.D.

Location Address350 MERIDIAN WAYGrants Pass, OR 97527-5813

Mailing Address350 Meridian WayGrants Pass, OR 97527-5813 · (541) 476-4199 · Fax (541) 476-7166

Phone(541) 476-4199

Fax(541) 476-7166

Sole ProprietorNo

Enumeration DateAugust 22, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1821080177 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 · D5659

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.

350 MERIDIAN WAY, Grants Pass, OR 97527

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. PETER DARRELL PASTRELL D.M.D.

Dentist (General Practice)

350 MERIDIAN WAY
GRANTS PASS, OR 97527

Josephine County (541) 476-4199

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 Bigelow's NPI number?

The NPI number for Gregory Bigelow is 1821080177. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Where is Gregory Bigelow located?

Gregory Bigelow practices at 350 Meridian Way, Grants Pass, OR 97527. The listed phone number is (541) 476-4199.

What is Gregory Bigelow'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 Bigelow 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 28 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.