NPPES file of Aug 9, 2026

Eun Young Ku, RC

Clinical Social Worker · Lynnwood, WA

Eun Young Ku, RC is a clinical social worker with a practice address in Lynnwood, Washington, and NPI 1871773655, issued on Nov 8, 2007. Check the license (Washington LW60174188, 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
1871773655
Name
Eun Young Ku
Credential
RC
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
LW60174188 WA
RC00052697 WA
Self-reported in NPPES; status is on the state search
Practice location
19401 40TH Ave W Ste 230, Lynnwood, WA 98036
Phone
(425) 744-7153
Enumerated
Nov 8, 2007
Record last updated
May 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151201001766); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2007
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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8 nearest clinical social worker records → All 6,382 in Washington → Look up another NPI →

Also registered at 19401 40TH Ave W Ste 230

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

  1. Januario Estrada, M.D.Internal Medicine Physician1356757975
  2. Marcus Junus, MDFamily Medicine Physician1588304497
  3. Tam Nguyen, DOFamily Medicine Physician1225617434
  4. Rachel Pontemayor, D.O.Family Medicine Physician1780119560
  5. Sang Won, M.D.Family Medicine Physician1760918205
  6. Liqiong ZhangFamily Nurse Practitioner1083772552

Verify Eun Young Ku 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 LW60174188    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. Pacmed ClinicsSeattle, WA

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

Eun Young Ku among 6,382 clinical social worker records in Washington

Eun Young Ku, RC is one of 6,382 clinical social worker records with a practice address in Washington. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 10% of them.

  • NPI issued2007 · 10% of these records are older, 81% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2007 · median 2010 among the 984 with a school on file
  • Record last updated2021 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 clinical social worker records list a practice address in Lynnwood

They are 65 of the 2,501 NPPES records with a practice address in Lynnwood, and 6,382 clinical social worker records in Washington.

All 6,382 in Washington → Every provider in Lynnwood → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Roz Bornstein, LICSW, MSWLynnwood, WA 980361922192921
  2. Rebecca Durocher, MSW, LICSWLynnwood, WA 980361093812661
  3. Gayle Forslund, MSWLynnwood, WA 980361932202967
  4. Christena Greenlee, MSW, LICSWLynnwood, WA 980361053584110
  5. Suzanne Hunsley, MSWLynnwood, WA 980361043318710
  6. Michiko Kono, LICSWLynnwood, WA 980361851561609
  7. Carole Kosturn, LICSWLynnwood, WA 980361487762563
  8. Jennifer Lee, MSWLynnwood, WA 980361801966379

Common questions

What is Eun Young Ku, RC's NPI number?

Eun Young Ku, RC's National Provider Identifier (NPI) is 1871773655, issued on Nov 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Eun Young Ku, RC located?

The NPPES record lists a practice address at 19401 40TH Ave W Ste 230, Lynnwood, WA, 98036. Phone: (425) 744-7153. Providers update this record themselves, so call before visiting.

How can I verify Eun Young Ku, RC's license?

NPPES lists Washington license number LW60174188, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.