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

DR. DENISE MARIE WALTHOUR D.M.D.
NPI 1750375069
Dentist - General Practice in Portland, OR

Q: What is Denise Walthour's NPI number?

The NPI number for Denise Walthour is 1750375069. It was assigned to this individual provider in the NPPES registry on September 1, 2005.

Q: What is Denise Walthour'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 Denise Walthour 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 32 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 September 01, 2005

3505 SE 36TH AVE, PORTLAND, OR 97202(503) 235-7181(503) 235-4909 Get Directions Write a Review

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

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About Dr. Denise Marie Walthour D.m.d. NPPES

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

DR. DENISE MARIE WALTHOUR D.M.D. (NPI 1750375069) is an individual general practice provider in Portland, Oregon, licensed in Oregon (D6649) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1750375069

Entity TypeIndividualFemale

Primary Taxonomy1223G0001X

Provider Legal NameDR. DENISE MARIE WALTHOURCredential: D.M.D.

Location Address3505 SE 36TH AVEPortland, OR 97202-1862

Mailing Address3505 Se 36th AvePortland, OR 97202-1862 · (503) 235-7181 · Fax (503) 235-4909

Phone(503) 235-7181

Fax(503) 235-4909

Sole ProprietorNo

Enumeration DateSeptember 1, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1750375069 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 · D6649

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.

3505 SE 36TH AVE, Portland, OR 97202

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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.

NORTHWOODS DENTAL, LLC

Dentist (General Practice)

3505 SE 36TH AVE
PORTLAND, OR 97202

Multnomah County (503) 235-7181

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 Denise Walthour's NPI number?

The NPI number for Denise Walthour is 1750375069. It was assigned to this individual provider in the NPPES registry on September 1, 2005.

Where is Denise Walthour located?

Denise Walthour practices at 3505 SE 36th Ave, Portland, OR 97202. The listed phone number is (503) 235-7181.

What is Denise Walthour'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 Denise Walthour 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 32 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.