NPPES file of Aug 9, 2026

Chelsea Allin, PA-C

Physician Assistant · Seattle, WA

Chelsea Allin, PA-C is a physician assistant with a practice address in Seattle, Washington, and NPI 1154422301, issued on Sep 26, 2006. Check the license (Washington PA10004089, 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
1154422301
Name
Chelsea Allin
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA10004089 WA
Self-reported in NPPES; status is on the state search
Practice location
1600 S Columbian Way, Seattle, WA 98108
Phone
(206) 762-2394
Enumerated
Sep 26, 2006
Record last updated
Apr 8, 2022
Fax
(206) 973-8677
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 S Columbian Way

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

  1. Abbey Barnard Giustini, MDGastroenterology Physician1376938027
  2. Christine Bittner, DOInternal Medicine Physician1114006731
  3. Rachel Brunner, PHARMDPharmacist1801361589
  4. Sarah Burdell, LMHCMental Health Counselor1609234830
  5. Calvin CorbettMental Health Counselor1780283069
  6. Halina Dour, PH.D.Clinical Psychologist1760741672

Verify Chelsea Allin 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 PA10004089
    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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Chelsea Allin among 3,718 physician assistant records in Washington

Chelsea Allin, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 80% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2022 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

828 physician assistant records list a practice address in Seattle

They are 828 of the 41,956 NPPES records with a practice address in Seattle, and 3,718 physician assistant records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 physician assistant records with the nearest ZIP codes

  1. Raylene Canby, PA-CSeattle, WA 981081871552067
  2. Stephen Casowitz, PA-CSeattle, WA 981081013245851
  3. Jean Hargrett, PA-CSeattle, WA 981081427141043
  4. Whitney Harrison, PA-CSeattle, WA 981081205569480
  5. Elizabeth Hutchings, PA-CSeattle, WA 981081104937374
  6. Summer JeffreySeattle, WA 981081306459797
  7. Paul Knopf, PASeattle, WA 981081457447179
  8. Jifu LaiSeattle, WA 981081942152434

Common questions

What is Chelsea Allin, PA-C's NPI number?

Chelsea Allin, PA-C's National Provider Identifier (NPI) is 1154422301, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chelsea Allin, PA-C located?

The NPPES record lists a practice address at 1600 S Columbian Way, Seattle, WA, 98108. Phone: (206) 762-2394. Providers update this record themselves, so call before visiting.

How can I verify Chelsea Allin, PA-C's license?

NPPES lists Washington license number PA10004089, 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.