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 28 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. Jason Nitke, D.O.De Pere, WI 541151629026059
  2. Leah Nitke, DOGreen Bay, WI 543081053428417
  3. Aijaz Noor, M.D.Milwaukee, WI 532151861476624
  4. Charles Nordell, MDGreen Bay, WI 543111346399581
  5. Jennifer Norden, MDNeenah, WI 549561952396368
  6. Leo Norden, MDRhinelander, WI 545011881649770
  7. Daniel Nordin, MDMilwaukee, WI 532151710094172
  8. Joseph Nordin, DOMilwaukee, WI 532331285329961
  9. David Norenberg, MDLa Crosse, WI 546011235131517
  10. Meghan NothemWest Allis, WI 532271487159646
  11. Armando Nunag, MDCudahy, WI 531101649385139
  12. Michael Nunag, D.O.Cudahy, WI 531101588827729
  13. Daniel NunezJanesville, WI 535461689251639
  14. Chigozie Nweke, MDKenosha, WI 531431588866644
  15. Mohammad Nwilati, MDMilwaukee, WI 532081437195880
  16. Ifeoma Nwoye, MDHurley, WI 545341518136910
  17. Rebecca Nye, MDMilwaukee, WI 532951235821554
  18. Scott Nygaard, MDAppleton, WI 549151124013537
  19. Michael O'Brien, MDLa Crosse, WI 546011144203241
  20. Paul O'Neill, M.D.Waukesha, WI 531881821062225
  21. Monica O'Sullivan, MDWest Allis, WI 532271043262546
  22. Joanna Obaoye, MDMilwaukee, WI 532261205575230
  23. Mark Obermyer, MDBrookfield, WI 530451669634820
  24. John Obudzinski, D.O.West Allis, WI 532271942388434
  25. Raul Ocampo Landa, MDMadison, WI 537921184203440
  26. Chinenye Ochiobi, MBBCH, MPH, MDSheboygan, WI 530811669965422
  27. Khalil Odeh, M.D.Milwaukee, WI 532021952832131
  28. Celestine Odenigbo, M.D.Bloomer, WI 547241639430788
  29. Emmanuel Odeyemi, MDWeston, WI 544761346566460
  30. Paul Odusanya, MDKenosha, WI 531431720395411
  31. Kim Ogle, MDAshland, WI 548061235324781
  32. Andrew Okas, DOMadison, WI 537151740257245
  33. Ifueko Okundaye, MDNeenah, WI 549561467460410
  34. Michael Olaciregui, M.D.Milwaukee, WI 532071811094972
  35. Arpad Olajos, MDMadison, WI 537191568579936
  36. Tina Olander, M.D.Wauwatosa, WI 532221427164995
  37. Glenn Olds, MDMilwaukee, WI 532261710930482
  38. Jane Ollrogge, MDMerrill, WI 544521144304023
  39. John Olson, MDMarshfield, WI 544491194835249
  40. Robert Olson, M.D.Madison, WI 537051295797801
  41. Amanda Olstinski, MDGrafton, WI 530241316400880
  42. Pawel Olszewski, MDBeloit, WI 535111679582043
  43. Jean-Lucien Omekanda, M.D.Marinette, WI 541431972918738
  44. Walid Omer, M.DPeshtigo, WI 541571386909737
  45. Lawrence Omole, MDLa Crosse, WI 546011245442789
  46. Mandy Oneill, LPNChippewa Falls, WI 547291285586446
  47. Mekbib Onkiso, MDMilwaukee, WI 532331477013993
  48. Rachel Oosterbaan-Panarese, M.D.Mequon, WI 530971588690986
  49. Angela OrozcoMilwaukee, WI 532041790103158
  50. Dana OsburnGrafton, WI 530241699208983

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.