NPPES file of Aug 9, 2026

Katherine Jamison Steen, LSWAIC

Clinical Social Worker · Vashon, WA

Katherine Jamison Steen, LSWAIC is a clinical social worker with a practice address in Vashon, Washington, and NPI 1508307844, issued on Mar 20, 2017. Check the license (Washington SC 60705950, 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
1508307844
Name
Katherine Jamison Steen
Credential
LSWAIC
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
SC 60705950 WA
Self-reported in NPPES; status is on the state search
Practice location
20110 Vashon Highway SW, Vashon, WA 98070
Phone
(206) 463-5511
Enumerated
Mar 20, 2017
Record last updated
Mar 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(206) 463-5513
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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Also registered at 20110 Vashon Highway SW

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

  1. Julia Akoury, MA, LMFTAMarriage & Family Therapist1386097277
  2. Lisa ColeyCounselor1003179862
  3. Delene RodenbergSchool Counselor1396008959

Verify Katherine Jamison Steen 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 SC 60705950
    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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11 clinical social worker records list a practice address in Vashon

They are 11 of the 218 NPPES records with a practice address in Vashon, and 6,382 clinical social worker records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Washington

  1. Anita Abba Richard, LCMSWPort Townsend, WA1376613364
  2. Elizabeth Abbott, MSW, LICSWBellingham, WA1043701303
  3. Medina AbdiSeattle, WA1316422520
  4. Amal AbdulrahmanRenton, WA1104406008
  5. Elizabeth AbebefeSeattle, WA1376926899
  6. Lorena Abenojar, MSW, LICSWSeattle, WA1457018517
  7. Jenna Abrams, LCSW, LICSWDupont, WA1710595301
  8. Anna AbramyanSpokane, WA1346766714
  9. Eduardo Abuyog, L.I.C.S.W.Tukwila, WA1912078361
  10. Isis Acevedo GonzalezYakima, WA1184216392

Common questions

What is Katherine Jamison Steen, LSWAIC's NPI number?

Katherine Jamison Steen, LSWAIC's National Provider Identifier (NPI) is 1508307844, issued on Mar 20, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Jamison Steen, LSWAIC located?

The NPPES record lists a practice address at 20110 Vashon Highway SW, Vashon, WA, 98070. Phone: (206) 463-5511. Providers update this record themselves, so call before visiting.

How can I verify Katherine Jamison Steen, LSWAIC's license?

NPPES lists Washington license number SC 60705950, 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.