NPPES file of Aug 9, 2026

Marc Evan Matsui

Physician Assistant · Seattle, WA

Marc Evan Matsui is a physician assistant with a practice address in Seattle, Washington, and NPI 1932284742, issued on Oct 27, 2006. Check the license (Washington PA10003969, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932284742
Name
Marc Evan Matsui
Primary taxonomy
Physician Assistant 363A00000X
License number
PA10003969 WA
Self-reported in NPPES; status is on the state search
Practice location
University OF Washington Medical Ctr, Seattle, WA 98195
Phone
(206) 288-1000
Enumerated
Oct 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
8387508 WA
Medicare enrollment
Enrolled (PECOS I20101119000422); accepts Medicare assignment
Medical or professional school
Emory University School Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at University OF Washington Medical Ctr

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

  1. Jan AgostiInfectious Disease Physician1912082744
  2. Suhail AhmadNephrology Physician1821173659
  3. Moira AitkenPulmonary Disease Physician1558446385
  4. Charles AlpersAnatomic Pathology & Clinical Pathology Physician1922188820
  5. William Altemeier, MDPulmonary Disease Physician1447335278
  6. Frederick AppelbaumMedical Oncology Physician1356426183

Verify Marc Evan Matsui 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 PA10003969
    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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The MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. King County Public Hospital District NO 2Monroe, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marc Evan Matsui among 3,718 physician assistant records in Washington

Marc Evan Matsui 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. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 80% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1999 · median 2017 among the 2,460 with a school on file
  • Record last updated2007 · 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.

The 8 physician assistant records with the nearest ZIP codes

  1. Leslie Anderson, PA-CSeattle, WA 981951508887050
  2. Troy Decker, PASeattle, WA 981951962465922
  3. Michelle DeinerSeattle, WA 981951558451401
  4. Lisa GetzendanerSeattle, WA 981951730279688
  5. Erin Hachlinski, PA-CSeattle, WA 981951740213800
  6. Kathleen Keyser, PA-CSeattle, WA 981951760430599
  7. Lyle LarsonSeattle, WA 981951053401919
  8. William LevySeattle, WA 981951407936404

Common questions

What is Marc Evan Matsui's NPI number?

Marc Evan Matsui's National Provider Identifier (NPI) is 1932284742, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marc Evan Matsui located?

The NPPES record lists a practice address at University OF Washington Medical Ctr, Seattle, WA, 98195. Phone: (206) 288-1000. Providers update this record themselves, so call before visiting.

How can I verify Marc Evan Matsui's license?

NPPES lists Washington license number PA10003969, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

What is Marc Evan Matsui's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.