NPPES file of Aug 9, 2026

Maria Isabel Alonso, C661101344

Counselor · Seattle, WA

Maria Isabel Alonso, C661101344 is a counselor with a practice address in Seattle, Washington, and NPI 1477150084, issued on Oct 6, 2020. Check the license (Washington C661101344, 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
1477150084
Name
Maria Isabel Alonso
Credential
C661101344
Primary taxonomy
Counselor 101Y00000X
License number
C661101344 WA
Self-reported in NPPES; status is on the state search
Practice location
216 James St, Seattle, WA 98104
Phone
(206) 464-6454
Enumerated
Oct 6, 2020
Record last updated
Oct 6, 2020 (not updated in 6 years: call before relying on the address or phone)
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 216 James St

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

  1. Meghan AllenMental Health Counselor1962073056
  2. Elyse AndersonCase Manager/Care Coordinator1568934149
  3. Mia Arnold-GarnerCounselor1780389254
  4. Taoufik Atallah, AACMental Health Counselor1568213817
  5. Jesus Avina MelendrezSocial Worker1891422754
  6. Max Babilon-CrockettCase Manager/Care Coordinator1831661602

Verify Maria Isabel Alonso 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 C661101344
    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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2,278 counselor records list a practice address in Seattle

They are 2,278 of the 41,956 NPPES records with a practice address in Seattle, and 11,350 counselor records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other counselor records in Washington

  1. Sarah AaronSpokane, WA1184494254
  2. Moranne Aaron-Berel, MA, RDT.Seattle, WA1346748795
  3. Omar AbarcaKennewick, WA1255807954
  4. Anjanette AbbeAuburn, WA1346114691
  5. Cassandra AbbotBremerton, WA1891595021
  6. Beatriz AbbottOlympia, WA1689921256
  7. Erin AbbottTacoma, WA1598473787
  8. Salma AbdallaPuyallup, WA1326913138
  9. Genevieve AbdallahColville, WA1811463482
  10. Nora AbdiTukwila, WA1013852888

Common questions

What is Maria Isabel Alonso, C661101344's NPI number?

Maria Isabel Alonso, C661101344's National Provider Identifier (NPI) is 1477150084, issued on Oct 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Maria Isabel Alonso, C661101344 located?

The NPPES record lists a practice address at 216 James St, Seattle, WA, 98104. Phone: (206) 464-6454. Providers update this record themselves, so call before visiting.

How can I verify Maria Isabel Alonso, C661101344's license?

NPPES lists Washington license number C661101344, 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.