Registry data as of Aug 27, 2026

Clark Christoffersen, DDS

General Practice Dentistry · Deer Park, WA

Clark Christoffersen, DDS is a general practice dentistry with a practice address in Deer Park, Washington, and NPI 1558439174, issued on Dec 1, 2006. Check the license (Washington DE00005057, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1558439174
Name
Clark Christoffersen
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DE00005057 WA
Self-reported in NPPES; status is on the state search
Practice location
118 E Crawford, Deer Park, WA 99006
Phone
(509) 276-2421
Enumerated
Dec 1, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Clark Christoffersen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license DE00005057
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

4 general practice dentistry records list a Deer Park practice address

They are 4 of the 147 NPPES records with a Deer Park practice address, and 3,200 general practice dentistry records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Washington

  1. Royal Aaby, DDSSilverdale, WA1487775912
  2. David Abdo, D.D.SArlington, WA1215022199
  3. Megan Abdo, DDSBellingham, WA1750993911
  4. Susan Abdun-Nur, DDSBellevue, WA1497778872
  5. Norman Abe, DDSSeattle, WA1699852590
  6. Parvin Abedi, DDSTacoma, WA1467516310
  7. Larry Abell, DDSInchelium, WA1609913144
  8. Jeffrey Abolofia, DDSBurien, WA1386629657
  9. Luis Acevedo Rodriguez, DDSMarysville, WA1992114441
  10. Greg Achtemichuk, DDSMukilteo, WA1780767533

Common questions

What is Clark Christoffersen, DDS's NPI number?

Clark Christoffersen, DDS's National Provider Identifier (NPI) is 1558439174, issued on Dec 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Clark Christoffersen, DDS located?

The NPPES record lists a practice address at 118 E Crawford, Deer Park, WA, 99006. Phone: (509) 276-2421. Providers update this record themselves, so call before visiting.

How can I verify Clark Christoffersen, DDS's license?

NPPES lists Washington license number DE00005057, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.