NPPES file of Aug 9, 2026

Internal Medicine Physician in Wisconsin

2,078 NPPES records list internal medicine physician with a practice address in Wisconsin, 35 per 100,000 residents, the 33rd highest rate of 51. Madison and Milwaukee have the most; each record links to the provider's NPI and the Wisconsin license search. Page 42 of 42.

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).

Madison has the most, 417

  1. Madison417
  2. Milwaukee382
  3. La Crosse110
  4. Green Bay69
  5. Marshfield62

Internal Medicine Physician records in Wisconsin

  1. Mohannad Yousef, MDGreen Bay, WI 543011366192585
  2. Howard Yu, DOWausau, WI 544011508507211
  3. Jin Yu, M.D.Hartford, WI 530271306043716
  4. Elizabeth Yun, MDSummit, WI 530661215947601
  5. Sung Rak Yun, M.D.Kenosha, WI 531431376837716
  6. Syeda ZaheerMount Pleasant, WI 534051306295530
  7. Dennis ZahmAshland, WI 548061205865342
  8. Dennis Zaide, M.D.Waukesha, WI 531861003940784
  9. Mohamed Zakarya, M.D.Appleton, WI 549151598291346
  10. Laura Zakowski, MDMadison, WI 537181659332096
  11. Mary Zaky, MDLa Crosse, WI 546011265437610
  12. Alissa ZeglinWauwatosa, WI 532261366948309
  13. April Zehm, M.D.Milwaukee, WI 532261568740553
  14. Michael Zeihen, MDKenosha, WI 531431043266992
  15. Solomon Zerga, MDWausau, WI 544011487159273
  16. Xueying Zhang, MDBrookfield, WI 530051770178683
  17. Turgut Zia, MDMilwaukee, WI 532211699783894
  18. Mitchell Ziarko, MDKenosha, WI 531431336195288
  19. Amjed Zidan, DOGreenfield, WI 532201538621321
  20. Aggeliki Zikos, M.D.Waukesha, WI 531861447471677
  21. Michelle Zimmer, MDMilwaukee, WI 532091780616920
  22. Allison ZimmermanMilwaukee, WI 532151932690245
  23. Philip Zimmermann, M.D.Madison, WI 537161477783801
  24. Rachael Ziska, D.O.Fitchburg, WI 537111104204247
  25. Jonathan Zlabek, MDMilwaukee, WI 532111881698496
  26. Haroon Zubair, M.D.Wauwatosa, WI 532221013295583
  27. Elizabeth Zurich, DOSheboygan, WI 530811396902219
  28. Joanna ZurkoMilwaukee, WI 532261821485756

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

Wisconsin ranks 33 of 51 per resident

  1. Tennessee36
  2. New Mexico36
  3. Georgia35
  4. Wisconsin35
  5. South Carolina35
  6. Colorado35
  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.

70.2% 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. Wisconsin70.2%
  2. United States78.7%

Internal Medicine Physician records in Wisconsin, measured

  • In a Medicare file1,458 of 2,078 · 70.2% here, 78.7% nationally
  • In the CMS Doctors and Clinicians file1,098 · 52.8% here, 61.4% nationally
  • Not updated in five years or more1,148 · 55.2% here, 55.4% nationally
  • Median graduation year2002 · the 1,098 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

2,078 NPPES records list internal medicine physician (207R00000X) as their primary taxonomy with a practice address in Wisconsin: 35 per 100,000 residents against 44 nationally (50 states and D.C.). Madison has 417 of them (20%).

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. Indiana2,109
  2. Colorado2,046
  3. Oregon2,116
  4. South Carolina1,881

States with a similar rate per 100,000

  1. Georgia35.5
  2. Puerto Rico35.7
  3. Kansas34.3
  4. New Mexico36.4

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.