NPPES file of Aug 9, 2026

Matthew Clark

Psychiatric/Mental Health Nurse Practitioner · Olympia, WA

Matthew Clark is a psychiatric/mental health nurse practitioner with a practice address in Olympia, Washington, and NPI 1689556201, issued on Jul 24, 2025. Check the license (Washington AP61636762, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689556201
Name
Matthew Clark
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
AP61636762 WA
Self-reported in NPPES; status is on the state search
Practice location
PO Box 257, Olympia, WA 98507
Phone
(206) 208-8957
Enumerated
Jul 24, 2025
Record last updated
Aug 5, 2025
Medicare enrollment
Enrolled (PECOS I20251103000934); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at PO Box 257

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dominique BishopDoula1902751050
  2. Eriko Demery, LICSW, MHPClinical Social Worker1568911808
  3. Lulama GqibaDoula1063212314
  4. Nancy HolbrookMassage Therapist1285571141
  5. Anne Koznarek, MA LMHCAMental Health Counselor1619782570
  6. Yongjin Lee, MA, LMHCACounselor1326752163

Verify Matthew Clark 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 AP61636762
    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

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52 psychiatric/mental health nurse practitioner records list a practice address in Olympia

They are 52 of the 5,034 NPPES records with a practice address in Olympia, and 1,875 psychiatric/mental health nurse practitioner records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychiatric/mental health nurse practitioner records in Washington

  1. Peimaneh AbdolhosseiniEverett, WA1760246367
  2. Marissa Abrahams, PMHNP-BCSeattle, WA1528336021
  3. Rafael Achacoso, ARNPSeattle, WA1134835432
  4. Aishwarya AchanFederal Way, WA1346886462
  5. Margaret Ackerman, APNMount Vernon, WA1972723906
  6. Brenda Acosta, ARNP, PMHNP-BCYakima, WA1871369728
  7. Allison Adams, RNMountlake Terrace, WA1306308341
  8. Joseph AdamsBellingham, WA1063240125
  9. Sophia Adams, ARNPSeattle, WA1902361157
  10. Juliana Adarmes, DNPTacoma, WA1578280442

Common questions

What is Matthew Clark's NPI number?

Matthew Clark's National Provider Identifier (NPI) is 1689556201, issued on Jul 24, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Clark located?

The NPPES record lists a practice address at PO Box 257, Olympia, WA, 98507. Phone: (206) 208-8957. Providers update this record themselves, so call before visiting.

How can I verify Matthew Clark's license?

NPPES lists Washington license number AP61636762, 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), 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.