NPPES file of Aug 9, 2026

Calvin Clayton Clark, M.D.

Pediatrics Physician · Vancouver, WA

Calvin Clayton Clark, M.D. is a pediatrics physician with a practice address in Vancouver, Washington, and NPI 1265722342, issued on Apr 11, 2011. Check the license (Washington 9351, as entered in NPPES) on the Washington Medical Commission; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265722342
Name
Calvin Clayton Clark
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
9351 WA
Self-reported in NPPES; status is on the state search
Practice location
6701 SE Evergreen Hwy, Vancouver, WA 98661
Phone
(360) 695-0563
Enumerated
Apr 11, 2011
Record last updated
Apr 11, 2011 (not updated in 15 years: call before relying on the address or phone)
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 Calvin Clayton Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license 9351
    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
Open the Washington license search

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Calvin Clayton Clark among 1,753 pediatrics physician records in Washington

Calvin Clayton Clark, M.D. is one of 1,753 pediatrics physician records with a practice address in Washington. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 59% of them.

  • NPI issued2011 · 59% of these records are older, 38% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2011 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Washington

There are 1,753 pediatrics physician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. David Black, MD, MPHVancouver, WA 986611669580098
  2. Veronica Erhart, MDVancouver, WA 986611053344663
  3. Mabel Yew, M.D.Vancouver, WA 986611922382126
  4. Jennifer Austin, MDVancouver, WA 986641326087503
  5. Gerald Bader, MDVancouver, WA 986641881649861
  6. Devon Ebbing, M.D.Vancouver, WA 986641104861517
  7. Jennifer Lyons, MDVancouver, WA 986641669419289
  8. Laurie Metzger, MDVancouver, WA 986641043257694

Common questions

What is Calvin Clayton Clark, M.D.'s NPI number?

Calvin Clayton Clark, M.D.'s National Provider Identifier (NPI) is 1265722342, issued on Apr 11, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Calvin Clayton Clark, M.D. located?

The NPPES record lists a practice address at 6701 SE Evergreen Hwy, Vancouver, WA, 98661. Phone: (360) 695-0563. Providers update this record themselves, so call before visiting.

How can I verify Calvin Clayton Clark, M.D.'s license?

NPPES lists Washington license number 9351, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.