NPPES file of Aug 9, 2026

Specialist in Washington

2,609 NPPES records list specialist with a practice address in Washington, 33 per 100,000 residents, the 3rd highest rate of 51. Seattle and Vancouver have the most; each record links to the provider's NPI and the Washington license search. Page 53 of 53.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 174400000X · 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, 345

  1. Seattle345
  2. Vancouver157
  3. Tacoma120
  4. Olympia111
  5. Bellevue108

Specialist records in Washington

  1. Erin Zimmerman, LMPTacoma, WA 984041083946461
  2. M Zimmerman, LMPEast Wenatchee, WA 988021700081908
  3. Elizabeth Zinda, LMPSeattle, WA 981151457574493
  4. Robert Zozaya, LMT LMPVancouver, WA 986651326181447
  5. Aniysa Zuchowski, LMPTumwater, WA 985011427370634
  6. Joann Zugel, L.M.P.Leavenworth, WA 988261225153794
  7. Kara Zylstra, LMPLynden, WA 982641851432017
  8. Sharon Zylstra, LMPMonroe, WA 982721881761500
  9. Jill Zyvoloski, MOTR/LSeattle, WA 981341760727903

Source: CMS NPPES, primary taxonomy 174400000X: records by practice city and the list of records, file of Aug 9, 2026.

Washington ranks 3 of 51 per resident

  1. New York116
  2. New Hampshire72
  3. Washington33
  4. North Dakota26
  5. Oregon26
  6. 50 states and D.C.18

Source: CMS NPPES, primary taxonomy 174400000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

4.4% of these records appear in a Medicare file, against 17.0% 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. Washington4.4%
  2. United States17.0%

Specialist records in Washington, measured

  • In a Medicare file114 of 2,609 · 4.4% here, 17.0% nationally
  • In the CMS Doctors and Clinicians file65 · 2.5% here, 11.1% nationally
  • Not updated in five years or more2,407 · 92.3% here, 77.3% nationally
  • Median graduation year1990 · the 65 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 174400000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,609 NPPES records list specialist (174400000X) as their primary taxonomy with a practice address in Washington: 33 per 100,000 residents against 18 nationally (50 states and D.C.). Seattle has 345 of them (13%).

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. Florida2,685
  2. Pennsylvania2,031
  3. Texas1,716
  4. New Jersey1,636

States with a similar rate per 100,000

  1. North Dakota25.8
  2. Oregon25.6
  3. Hawaii24.4
  4. District of Columbia22.2

The largest states

  1. New York22,636
  2. California5,749
  3. Florida2,685
  4. Pennsylvania2,031
  5. Texas1,716

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.