NPPES file of Aug 9, 2026

Sheila Welsh Lyon, CDP

Addiction (Substance Use Disorder) Counselor · Seattle, WA

Sheila Welsh Lyon, CDP is an addiction (substance use disorder) counselor with a practice address in Seattle, Washington, and NPI 1528274396, issued on May 16, 2007. Check the license (Washington CP00003377, 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
1528274396
Name
Sheila Welsh Lyon
Credential
CDP
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
CP00003377 WA
Self-reported in NPPES; status is on the state search
Practice location
4700 42ND Ave SW, Seattle, WA 98116
Phone
(206) 935-1282
Enumerated
May 16, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(206) 937-1380
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 4700 42ND Ave SW

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

  1. Kari Chellis, DDSGeneral Practice Dentistry1295755957
  2. Ruth Herman-Dunn, PH.D.Psychologist1962509307
  3. Laura Howrey, D.D.S.General Practice Dentistry1790828291
  4. Laura Jewett, DPTPhysical Therapist1467717884
  5. Valorie JohnsonBehavior Analyst1588080261
  6. Rebecca LundePhysical Therapist1225688740

Verify Sheila Welsh Lyon 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 CP00003377    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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Addiction (Substance Use Disorder) Counselor providers in Washington

There are 4,416 addiction (substance use disorder) counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,416 in Washington → Every provider in Seattle →

Other addiction (substance use disorder) counselor records in Washington

  1. Isha AbdallaEverett, WA1417733510
  2. Bashiir AbdulmuminBellevue, WA1417219478
  3. Bruce AbelsonTacoma, WA1275178766
  4. Claire AberasturiSpokane, WA1740686146
  5. Jessie Abercrombie, SUDP-TWenatchee, WA1174075543
  6. James AbitzSpokane, WA1144722208
  7. Charlene Abrahamson, CDPElma, WA1558543454
  8. Elisabeth Abrahamson, CDPTacoma, WA1285888164
  9. Xandra Abram, SUDPTSeattle, WA1295517779
  10. Suleyma Abrams, SUDPTSunnyside, WA1962141366

Common questions

What is Sheila Welsh Lyon, CDP's NPI number?

Sheila Welsh Lyon, CDP's National Provider Identifier (NPI) is 1528274396, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Sheila Welsh Lyon, CDP located?

The NPPES record lists a practice address at 4700 42ND Ave SW, Seattle, WA, 98116. Phone: (206) 935-1282. Providers update this record themselves, so call before visiting.

How can I verify Sheila Welsh Lyon, CDP's license?

NPPES lists Washington license number CP00003377, 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.

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.