NPPES file of Aug 9, 2026

Janet Yongwoo Arthur, MA, RC

Mental Health Counselor · Seattle, WA

Janet Yongwoo Arthur, MA, RC is a mental health counselor with a practice address in Seattle, Washington, and NPI 1548492150, issued on Aug 14, 2009. Check the license (Washington LH60328749, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1548492150
Name
Janet Yongwoo Arthur
Credential
MA, RC
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
LH60328749 WA
Self-reported in NPPES; status is on the state search
Practice location
1448 NW Market St Ste 210, Seattle, WA 98107
Phone
(206) 910-9476
Enumerated
Aug 14, 2009
Record last updated
Sep 18, 2025
Fax
(253) 474-1871
Medicare enrollment
Enrolled (PECOS I20260226001747); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1448 NW Market St Ste 210

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

  1. Shahrum AliPsychiatric/Mental Health Nurse Practitioner1982183430
  2. Natalie Peters, PH.D.Clinical Psychologist1194174433
  3. Tammera Ross, LMHCAMental Health Counselor1841887213
  4. Mark Russell, LPCMental Health Counselor1154767267

Verify Janet Yongwoo Arthur 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 LH60328749
    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.

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Bills Medicare through one group practice

  1. Western Psychological And Counseling Services LLCSeattle, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

3,142 mental health counselor records list a practice address in Seattle

They are 3,142 of the 41,956 NPPES records with a practice address in Seattle, and 18,094 mental health counselor records in Washington.

Other mental health counselor records in Washington

  1. Jessica Aarsvold, MA, LMHCASeattle, WA1215536719
  2. Gracie AbanganOmak, WA1740333863
  3. Anthony Abastilla, LMHCASilverdale, WA1477150829
  4. Pinael Abate, LMHCARenton, WA1265103568
  5. Hiba AbbadEverett, WA1265272231
  6. Kelly Abbananto, BALakewood, WA1043676562
  7. Hannah AbbottKirkland, WA1568334498
  8. Harold Abbott, M.A.Seattle, WA1548463136
  9. Heather Abbott, LMHCASeattle, WA1861806077
  10. Kristyn Abbott, LMHCOlympia, WA1215328471

Common questions

What is Janet Yongwoo Arthur, MA, RC's NPI number?

Janet Yongwoo Arthur, MA, RC's National Provider Identifier (NPI) is 1548492150, issued on Aug 14, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Janet Yongwoo Arthur, MA, RC located?

The NPPES record lists a practice address at 1448 NW Market St Ste 210, Seattle, WA, 98107. Phone: (206) 910-9476. Providers update this record themselves, so call before visiting.

How can I verify Janet Yongwoo Arthur, MA, RC's license?

NPPES lists Washington license number LH60328749, 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. Medicare files from data.cms.gov. 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.