NPPES file of Aug 9, 2026

Medical Physician Assistant in Washington

1,068 NPPES records list medical physician assistant with a practice address in Washington, 14 per 100,000 residents, the 17th highest rate of 51. Seattle and Tacoma have the most; each record links to the provider's NPI and the Washington license search. Page 22 of 22.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363AM0700X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Seattle has the most, 159

  1. Seattle159
  2. Tacoma111
  3. Spokane83
  4. Vancouver46
  5. Olympia32

Medical Physician Assistant records in Washington

  1. Xueying Xu, PACBremerton, WA 983121174323190
  2. Arlene Ybarra, PA-CJoint Base Lewis McChord, WA 984311255616678
  3. Shinsung YookLakewood, WA 984991366116238
  4. Melissa Yoon, PA-CTacoma, WA 984051326081217
  5. Roberta Yoshimura, PASpanaway, WA 983871306820881
  6. Aubrey Young, PA-CLake Tapps, WA 983911598104085
  7. David Young, PA-COak Harbor, WA 982781780655662
  8. Kristine Young, PA-COak Harbor, WA 982771033109772
  9. Anna Zarate, PA-CEverett, WA 982011790024362
  10. Athena Zecha, PA-CSeattle, WA 981091720040538
  11. Mary Zeitner, PA-CEdmonds, WA 980261497807663
  12. Harper Zimmer, PA-CSeattle, WA 981021356923353
  13. Steven Zirker, PA-CBenton City, WA 993201477635159
  14. Michael Zosel, PA-CSpokane, WA 992011285762674
  15. Junhui ZouLynnwood, WA 980361477920833
  16. Becky Zufall, PA-CEverett, WA 982011548214042
  17. Jennifer Zupfer, PA-CVancouver, WA 986601912233768
  18. Lisa Zylstra, PA-CVancouver, WA 986831821142738

Source: CMS NPPES, primary taxonomy 363AM0700X: records by practice city and the list of records, file of Aug 9, 2026.

Washington ranks 17 of 51 per resident

  1. Vermont15
  2. Nebraska15
  3. Maryland14
  4. Washington14
  5. Arizona13
  6. New Mexico13
  7. 50 states and D.C.12

Source: CMS NPPES, primary taxonomy 363AM0700X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

66.1% of these records appear in a Medicare file, against 74.0% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Washington66.1%
  2. United States74.0%

Medical Physician Assistant records in Washington, measured

  • In a Medicare file706 of 1,068 · 66.1% here, 74.0% nationally
  • In the CMS Doctors and Clinicians file581 · 54.4% here, 54.5% nationally
  • Not updated in five years or more649 · 60.8% here, 54.7% nationally
  • Median graduation year2013 · the 581 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363AM0700X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,068 NPPES records list medical physician assistant (363AM0700X) as their primary taxonomy with a practice address in Washington: 14 per 100,000 residents against 12 nationally (50 states and D.C.). Seattle has 159 of them (15%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Connecticut1,138
  2. Arizona996
  3. Michigan1,140
  4. Virginia941

States with a similar rate per 100,000

  1. Maryland14.1
  2. New Mexico13.0
  3. North Dakota12.9
  4. Oklahoma12.7

The largest states

  1. Pennsylvania3,897
  2. New York3,670
  3. California3,376
  4. Florida2,776
  5. Texas2,146

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.