NPPES file of Aug 9, 2026

Giorgio Chatelain, LCSW

Clinical Social Worker · Seattle, WA

Giorgio Chatelain, LCSW is a clinical social worker with a practice address in Seattle, Washington, and NPI 1134436090, issued on Sep 13, 2010. Check the license (Washington LW61235360, 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
1134436090
Name
Giorgio Chatelain
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
LW61235360 WA
077060-J NY
078482 NY
Self-reported in NPPES; status is on the state search
Practice location
1600 7TH Ave Ste 110, Seattle, WA 98101
Phone
(888) 663-6331
Enumerated
Sep 13, 2010
Record last updated
Feb 6, 2025
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 1600 7TH Ave Ste 110

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

  1. Alix Arson, LMHC, LPCMental Health Counselor1295145183
  2. Mary Brady, NPNurse Practitioner1306377262
  3. Jennifer Brown, M.D.Family Medicine Physician1578903373
  4. Leah Brunie, NPNurse Practitioner1710284310
  5. Brett Copeland, PH.D.Psychologist1154592111
  6. Gloria Fann, M.D.Family Medicine Physician1750421806

Verify Giorgio Chatelain 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 LW61235360
    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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1,704 clinical social worker records list a practice address in Seattle

They are 1,704 of the 41,956 NPPES records with a practice address in Seattle, 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 Giorgio Chatelain, LCSW's NPI number?

Giorgio Chatelain, LCSW's National Provider Identifier (NPI) is 1134436090, issued on Sep 13, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Giorgio Chatelain, LCSW located?

The NPPES record lists a practice address at 1600 7TH Ave Ste 110, Seattle, WA, 98101. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.

How can I verify Giorgio Chatelain, LCSW's license?

NPPES lists Washington license number LW61235360, 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.