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

DENNIS WILLARD CLARK D.D.S.
NPI 1427057157
Dentist - General Practice in Lebanon, OR

Active since July 15, 2005
90 MARKET ST, SUITE 80, LEBANON, OR 97355(541) 451-1440(541) 451-1507 Get Directions Write a Review

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

About Dennis Willard Clark D.d.s. NPPES

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

DENNIS WILLARD CLARK D.D.S. (NPI 1427057157) is an individual general practice provider in Lebanon, Oregon, licensed in Oregon (D5507) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1427057157
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDENNIS WILLARD CLARKCredential: D.D.S.
Location Address90 MARKET ST, SUITE 80Lebanon, OR 97355-2394
Mailing Address90 Market St, Suite 80Lebanon, OR 97355-2394 · (541) 451-1440 · Fax (541) 451-1507
Phone(541) 451-1440
Fax(541) 451-1507
Sole ProprietorNo
Enumeration DateJuly 15, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1427057157 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 · D5507
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.
90 MARKET ST, Lebanon, OR 97355
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Other Providers at the Same Location NPPES 3

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

ROGER MUNK OD
Optometrist
90 MARKET ST, STE 20
LEBANON, OR 97355
Linn County (541) 451-1144
DENNIS PEARSON OD
Optometrist
90 MARKET ST, STE 20
LEBANON, OR 97355
Linn County (541) 451-1144
LIFETIME VISION SOURCE OF LEBANON LLC
Optometrist
90 MARKET ST, STE 20
LEBANON, OR 97355
Linn County (541) 451-1144

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 Dennis Clark's NPI number?

The NPI number for Dennis Clark is 1427057157. It was assigned to this individual provider in the NPPES registry on July 15, 2005.

Where is Dennis Clark located?

Dennis Clark practices at 90 Market St Suite 80, Lebanon, OR 97355. The listed phone number is (541) 451-1440.

What is Dennis Clark'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 Dennis Clark 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 24 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.