NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Wisconsin

295 NPPES records list hematology & oncology physician with a practice address in Wisconsin, 5 per 100,000 residents, the 12th highest rate of 51. Milwaukee and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 6 of 6.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0003X · method

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

Milwaukee has the most, 95

  1. Milwaukee95
  2. Madison53
  3. Green Bay18
  4. La Crosse13
  5. Appleton10

Hematology & Oncology Physician records in Wisconsin

  1. Sindhu Singh, MDAppleton, WI 549111871710483
  2. Nelida Sjak-Shie, PHD MDAppleton, WI 549111174511703
  3. Deepika SriramMilwaukee, WI 532151902224678
  4. Amy Stella, M.D.Madison, WI 537151093801599
  5. Stephen Strother, M.D.Brookfield, WI 530451417063231
  6. Lisa Sullivan, BSN, RN, OCNWest Bend, WI 530951912876574
  7. Patcharin Tanawattanacharoen, MDEau Claire, WI 547011942300272
  8. Husam Tarawneh, M.D.Milwaukee, WI 532151902871197
  9. Robert Taylor, MDMilwaukee, WI 532261528043098
  10. James Thomas, M.D.Milwaukee, WI 532261023026267
  11. Reggie Thomes, D.O.La Crosse, WI 546011457713448
  12. Jonathan Thompson, M.D.Milwaukee, WI 532261093030215
  13. Michael Thompson, MD, PHDSummit, WI 530661265453070
  14. Charles Tiber, MDMilwaukee, WI 532111750460200
  15. Jonathan Ticku, M.D.La Crosse, WI 546011922259589
  16. Sameer Tolay, MDFond Du Lac, WI 549351376899393
  17. Allan Torkelson, M.D.Milwaukee, WI 532091073587226
  18. Tyion Torres, M.D.Green Bay, WI 543131093191611
  19. Jonathan Treisman, M. D.Franklin, WI 531321699778860
  20. Dariusz Uczkowski, MDMilwaukee, WI 532261396323812
  21. Yazhini Vallatharasu, MDAppleton, WI 549111508207895
  22. Renju Vechurettu Raj, M.D.Milwaukee, WI 532261083961528
  23. Rathnamitreyee Vegunta, MDEau Claire, WI 547011043872666
  24. Sabarinath Venniyil Radhakrishna, MDMilwaukee, WI 532261457664005
  25. Shamsuddin Virani, M.D.Burlington, WI 531051821209768
  26. Walter Vogel, MDBeloit, WI 535111629087085
  27. Michael Volk, M.D.Green Bay, WI 543031750475851
  28. Kae Walker, MDMadison, WI 537051366541914
  29. Margaret WalkerMadison, WI 537921396291233
  30. Yating Wang, M.D.Weston, WI 544761932760162
  31. Timothy Wassenaar, MDWaukesha, WI 531881518928993
  32. Alissa Weber, M.D.Madison, WI 537151578763066
  33. Matthew Weber, MDMilwaukee, WI 532151104323567
  34. Matthias Weiss, MDLa Crosse, WI 546011245336759
  35. David Weissman, MDMilwaukee, WI 532261699726109
  36. Michael Wheeler, M.D.Merton, WI 530561811250426
  37. Gilbert White, MD, MSMilwaukee, WI 532261073686010
  38. Emma Williams, MDMadison, WI 537921457972804
  39. Jerry Winkler, M.D.Green Bay, WI 543031851365910
  40. Isaac Yeboah, MDMarshfield, WI 544491164775102
  41. Andrew Yetter, MDTwo Rivers, WI 542411578586368
  42. Grace Ying, DOMilwaukee, WI 532261831728856
  43. Janice ZhaoMilwaukee, WI 532261932765385
  44. Thomas Zukowski, MDGrafton, WI 530241912989260
  45. Luke Zurbriggen, MDMadison, WI 537921699161901

Source: CMS NPPES, primary taxonomy 207RH0003X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 12 of 51 per resident

  1. New Hampshire5.4
  2. Illinois5.3
  3. Maryland5.1
  4. Wisconsin5.0
  5. North Dakota5.0
  6. Minnesota4.8
  7. 50 states and D.C.4.2

Source: CMS NPPES, primary taxonomy 207RH0003X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

82.0% of these records appear in a Medicare file, against 82.9% 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. Wisconsin82.0%
  2. United States82.9%

Hematology & Oncology Physician records in Wisconsin, measured

  • In a Medicare file242 of 295 · 82.0% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file217 · 73.6% here, 71.3% nationally
  • Not updated in five years or more150 · 50.8% here, 54.3% nationally
  • Median graduation year2004 · the 217 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0003X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

295 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Wisconsin: 5 per 100,000 residents against 4.2 nationally (50 states and D.C.). Milwaukee has 95 of them (32%).

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. Arizona285
  2. Minnesota274
  3. Maryland317
  4. Tennessee273

States with a similar rate per 100,000

  1. North Dakota5.0
  2. Illinois5.3
  3. New Hampshire5.4
  4. Connecticut5.5

The largest states

  1. California1,583
  2. New York1,163
  3. Texas922
  4. Florida818
  5. Pennsylvania784

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.