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STEPHEN R MATHESON DDS PS
NPI 1538238779
Dental Assistant in Kennewick, WA

Active since November 06, 2006
5000 W CLEARWATER AVE, KENNEWICK, WA 99336(509) 783-5000(509) 783-8349 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Stephen R Matheson Dds Ps NPPES

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

STEPHEN R MATHESON DDS PS (NPI 1538238779) is an individual dental assistant in Kennewick, Washington, licensed in Washington (DE00010578) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1538238779
Entity TypeIndividualMale
Primary Taxonomy126800000X
Provider Legal NameSTEPHEN R MATHESONCredential: DDS PS
Location Address5000 W CLEARWATER AVEKennewick, WA 99336
Mailing Address5000 W Clearwater AveKennewick, WA 99336 · (509) 783-5000 · Fax (509) 783-8349
Phone(509) 783-5000
Fax(509) 783-8349
Sole ProprietorNo
Enumeration DateNovember 6, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1538238779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDental AssistantDental Providers
Taxonomy Code126800000X
Licenses✔ Licensed in WA · DE00010578✔ Licensed in WA · DE00008483
Definition
An individual who may or may not have completed an accredited dental assisting education program and who aids the dentist in providing patient care services and performs other nonclinical duties in the dental office or other patient care facility. The scope of the patient care functions that may be legally delegated to the dental assistant varies based on the needs of the dentist the educational preparation of the dental assistant and state dental practice acts and regulations. Patient care services are provided under the supervision of a dentist. To avoid misleading the public, no occupational title other than dental assistant should be used to describe this dental auxiliary.
Also ListedDentistTaxonomy 122300000X · License DE00004645 (WA)
5000 W CLEARWATER AVE, Kennewick, WA 99336
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Other Identifiers 3

Other4645Wds
Other408285United Concordia
Medicaid5510003WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Humana.Insurance ›

Other Providers at the Same Location NPPES 6

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

DR. LANCE RANDALL RHOTEN DDS
Dentist (General Practice)
5000 W CLEARWATER AVE
KENNEWICK, WA 99336
Benton County (509) 783-5000
DR. ERIC R ROSE D.M.D.
Dentist
5000 W CLEARWATER AVE
KENNEWICK, WA 99336
Benton County (509) 783-5000
DR. SARA E THOMAS DDS
Dentist
5000 W CLEARWATER AVE
KENNEWICK, WA 99336
Benton County (509) 783-5000
DR. WILBUR DEAN MOCK D.D.S.
Dentist
5000 W CLEARWATER AVE
KENNEWICK, WA 99336
Benton County (509) 783-5000
JERRY C. HAN
Dentist (General Practice)
5000 W CLEARWATER AVE
KENNEWICK, WA 99336
Benton County (509) 783-5000
ANDREW J. GIESA D.M.D.
Dentist (General Practice)
5000 W CLEARWATER AVE
KENNEWICK, WA 99336
Benton County (509) 783-5000

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 Stephen Matheson's NPI number?

The NPI number for Stephen Matheson is 1538238779. It was assigned to this individual provider in the NPPES registry on November 6, 2006.

Where is Stephen Matheson located?

Stephen Matheson practices at 5000 W Clearwater Ave, Kennewick, WA 99336. The listed phone number is (509) 783-5000.

What is Stephen Matheson's specialty?

The primary specialty registered for this NPI is Dental Assistant with taxonomy code 126800000X.

What insurance does Stephen Matheson accept?

Health plans from Humana list Stephen Matheson 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 Stephen Matheson was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.