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 41 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. Alev Wilk, MDMadison, WI 537151023079464
  2. Kaye-Eileen Willard, MDRacine, WI 534051841200383
  3. Deborah Williams, MDMadison, WI 537031578582243
  4. Donald Williams, M.D.Whitewater, WI 531901326043266
  5. Jeremy Williams, MDMadison, WI 537921134860380
  6. John Williams, MDGreen Bay, WI 543031295717668
  7. O'Rell Williams, MDMilwaukee, WI 532101972559755
  8. Robert Williams, MDNew Berlin, WI 531511619909868
  9. Samantha Williams, MDMadison, WI 537921306788716
  10. Kamekea Willis, MDMilwaukee, WI 532111235220302
  11. Christopher Wills, D.OSalem, WI 531681558622506
  12. Aline Wilson, MDMadison, WI 537051912840455
  13. Anne Wilson, MDMadison, WI 537151427288844
  14. Edwin Wilson, MDNeenah, WI 549561326032343
  15. Rachel Wilson, D.O.Madison, WI 537151780119370
  16. Siobhan Wilson, M.D.Madison, WI 537181477717494
  17. Trevor Wilson, MDMadison, WI 537921114594298
  18. Katherine Winiarczyk, MDLadysmith, WI 548481841670726
  19. Samantha Winstead, MDGrafton, WI 530241033670047
  20. Jennifer Winter, MDFort Atkinson, WI 535381174726038
  21. Bonnie Wirfs, MDRacine, WI 534041215095096
  22. Courtney Wirtanen, MDLa Crosse, WI 546011215516661
  23. James Wishau, M.D.Lake Mills, WI 535511962414938
  24. Gerald Wisniewski, MDRacine, WI 534031164432647
  25. Stephen Wissink, MDLa Crosse, WI 546011114921863
  26. Christopher Withers, D.O.Milwaukee, WI 532121942221114
  27. William Wittman, MDOconto Falls, WI 541541902880511
  28. Carol Wood, M.D.Milwaukee, WI 532081598857161
  29. Jack Wood, MDMadison, WI 537921598431785
  30. Jeffrey Wood, MDMadison, WI 537171700825361
  31. Andrea Woodard, M.D.Brookfield, WI 530451558448100
  32. Brian Woodbridge, MDGreen Bay, WI 543031720055817
  33. Gary Woroch, MDMadison, WI 537051083713879
  34. Dorota Wozniewicz, MDFranklin, WI 531321942238696
  35. Amanda Wright, MDLa Crosse, WI 546011417691973
  36. Christian WrightSummit, WI 530661194469098
  37. Travis Wright, DOLa Crosse, WI 546011164911442
  38. Zheng-Hao Wu, MDWest Allis, WI 532271487918256
  39. Laura Wyer, MDWauwatosa, WI 532261114099785
  40. Qing Xiao, MDMarshfield, WI 544491851023477
  41. Liping Xie, MDMilwaukee, WI 532151417136409
  42. Zhuchen XuMilwaukee, WI 532261396373411
  43. Mohamed Yafai, MDWatertown, WI 530981730156431
  44. Yasir Yafai, DOMilwaukee, WI 532331205395381
  45. Venkata Yearva, M.D.Darlington, WI 535301699045641
  46. Jason Yelk, DOMadison, WI 537151063408862
  47. Paul Yeung-Lai-Wah, M.D.Marshfield, WI 544491316398712
  48. Chris Yiannias, D.O.Oconomowoc, WI 530661750356713
  49. Charles YooMilwaukee, WI 532261912360355
  50. Tae Hyun Yoon, M.D.Milwaukee, WI 532951508918178

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.