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

DR. GREGORY L HARTMAN DMD
NPI 1821096975
Dentist - General Practice in Hillsboro, OR

Q: What is Gregory Hartman's NPI number?

The NPI number for Gregory Hartman is 1821096975. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Q: What is Gregory Hartman'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 Hartman 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 37 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 July 12, 2005

2471 NW 185TH AVE, HILLSBORO, OR 97124(503) 690-9536(503) 690-0520 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Gregory L Hartman Dmd NPPES

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

DR. GREGORY L HARTMAN DMD (NPI 1821096975) is an individual general practice provider in Hillsboro, Oregon, licensed in Oregon (6533) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1821096975

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. GREGORY L HARTMANCredential: DMD

Location Address2471 NW 185TH AVEHillsboro, OR 97124-7077

Mailing Address2471 Nw 185th AveHillsboro, OR 97124-7077 · (503) 690-9536 · Fax (503) 690-0520

Phone(503) 690-9536

Fax(503) 690-0520

Sole ProprietorNo

Enumeration DateJuly 12, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1821096975 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 · 6533

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.

2471 NW 185TH AVE, Hillsboro, OR 97124

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Other Providers at the Same Location NPPES 2

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

MISS RADAWN LEE ABRIEL RDH

Dental Hygienist

2471 NW 185TH AVE
HILLSBORO, OR 97124

Washington County (503) 690-9536

GREGORY L. HARTMAN DMD PC

Clinic/Center (Dental)

2471 NW 185TH AVE
HILLSBORO, OR 97124

Washington County (503) 690-9536

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 Hartman's NPI number?

The NPI number for Gregory Hartman is 1821096975. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is Gregory Hartman located?

Gregory Hartman practices at 2471 NW 185th Ave, Hillsboro, OR 97124. The listed phone number is (503) 690-9536.

What is Gregory Hartman'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 Hartman 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 37 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.