NPPES file of Aug 9, 2026

Internal Medicine Physician in Washington

3,079 NPPES records list internal medicine physician with a practice address in Washington, 39 per 100,000 residents, the 25th highest rate of 51. Seattle and Tacoma have the most; each record links to the provider's NPI and the Washington license search. Page 62 of 62.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207R00000X · 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, 821

  1. Seattle821
  2. Tacoma262
  3. Spokane230
  4. Vancouver200
  5. Everett174

Internal Medicine Physician records in Washington

  1. Andre Zand, MDSeattle, WA 981331780606657
  2. Shahrooz Zandnia, M.DSpanaway, WA 983871699030635
  3. Mark Zaros, M.D.Seattle, WA 981041639393093
  4. Anton Zavoyskikh, M.D.Wenatchee, WA 988011033640636
  5. Oleg Zbirun, M.D.Vancouver, WA 986831760635833
  6. Mindy Zeitz-Chua, MDSeattle, WA 981441184187023
  7. Oscar Zepeda, MDSeattle, WA 981041043226798
  8. Zhimin Zhai, MDBellevue, WA 980041255416368
  9. Haojun Zhang, MDAuburn, WA 980011235766460
  10. Jeff Zhang, D.O.Richland, WA 993521578950093
  11. Kang Zhang, M.D.Spokane, WA 992021023304359
  12. Laetitia Zhang, MDSeattle, WA 981951881449072
  13. Michelle Zhang, MDSeattle, WA 981951245810316
  14. Yilin Zhang, M.D.Renton, WA 980551871835041
  15. Richard Zhao, MDSeattle, WA 981221699838532
  16. Ning Zhong, M.D.Seattle, WA 981951376772244
  17. Qian Zhou, MDBellevue, WA 980041518315456
  18. Azmina Zieman, M.D.Spokane, WA 992181265895023
  19. Patricia Zimburean, MDLake Stevens, WA 982581316933732
  20. Debra Zimmerman, MDOlympia, WA 985061386731818
  21. Marni Zimmerman, MDSeattle, WA 981221760471809
  22. Richard Zimmerman, MDOlympia, WA 985061477640910
  23. Zachary Zimmerman, MDSeattle, WA 981951851581094
  24. Daniel Ziperovich, MDBurien, WA 981661598810087
  25. Robert Zipper, MDTacoma, WA 984021689694515
  26. Julie Zivin, M.D.Seattle, WA 981121144268236
  27. Irene Zoesch, M.DSpokane, WA 992051568791036
  28. Kathryn Zufall, M.D.Shoreline, WA 981771144204777
  29. Maja Zugec, MDChewelah, WA 991091477654416

Source: CMS NPPES, primary taxonomy 207R00000X: records by practice city and the list of records, file of Aug 9, 2026.

Washington ranks 25 of 51 per resident

  1. Missouri42
  2. Virginia42
  3. Nebraska41
  4. Washington39
  5. Nevada38
  6. Arizona38
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 207R00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

74.8% of these records appear in a Medicare file, against 78.7% 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. Washington74.8%
  2. United States78.7%

Internal Medicine Physician records in Washington, measured

  • In a Medicare file2,302 of 3,079 · 74.8% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file1,854 · 60.2% here, 61.4% nationally
  • Not updated in five years or more1,951 · 63.4% here, 55.4% nationally
  • Median graduation year2006 · the 1,852 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207R00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

3,079 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Washington: 39 per 100,000 residents against 44 nationally (50 states and D.C.). Seattle has 821 of them (27%).

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. Arizona2,853
  2. Minnesota2,632
  3. Connecticut2,623
  4. Missouri2,604

States with a similar rate per 100,000

  1. Nevada38.5
  2. Louisiana38.2
  3. Nebraska41.1
  4. North Carolina37.4

The largest states

  1. California17,696
  2. New York12,067
  3. Florida10,151
  4. Texas9,175
  5. Pennsylvania7,300

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.