NPPES file of Aug 9, 2026

Occupational Therapy Assistant in Wisconsin

1,460 NPPES records list occupational therapy assistant with a practice address in Wisconsin, 25 per 100,000 residents, the 2nd highest rate of 51. Milwaukee and Madison have the most; each record links to the provider's NPI and the Wisconsin license search. Page 28 of 30.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 224Z00000X · 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, 101

  1. Milwaukee101
  2. Madison78
  3. Appleton61
  4. Green Bay39
  5. Fitchburg38

Occupational Therapy Assistant records in Wisconsin

  1. Sally WalmerFennimore, WI 538091912190562
  2. Janet Walotka, COTAMadison, WI 537141194264101
  3. Cynthia Walsh, COTAEau Claire, WI 547011376716753
  4. Ashley Walters, COTAWisconsin Rapids, WI 544941790278471
  5. Ronnette Walters, COTAAmery, WI 540011154507887
  6. Hannah WaltherMenasha, WI 549521942130851
  7. Christine Ward, COTAMilwaukee, WI 532231902142300
  8. Tami WarneckeWest Bend, WI 530951538445408
  9. Heather WarnerMadison, WI 537191912310558
  10. Emily WarrenOsceola, WI 540201184193898
  11. Sydnie Waschbisch, COTAFitchburg, WI 537191164804951
  12. Deborah WastartWaupaca, WI 549811700431509
  13. Eileen WaterhouseChetek, WI 547281750727210
  14. Georgia Waterman, OTABeloit, WI 535111578743373
  15. Kelly WatkinsMadison, WI 537191922696301
  16. Pamela Wayne, COTACornell, WI 547321982885141
  17. Courtney Weber, COTAAppleton, WI 549141740760537
  18. Danielle Weber, COTARacine, WI 534061225256605
  19. Kourtnie WeberMauston, WI 539481174244297
  20. Kayla WeedAppleton, WI 549151831552983
  21. Shannon WeedOconto, WI 541531831745546
  22. Suzanne Weigman, COTAAppleton, WI 549111285969071
  23. Tara Weiler, COTAArpin, WI 544101659594612
  24. Gail Weinand, OTAWoodruff, WI 545681013098011
  25. Christine Weisensel, OTASun Prairie, WI 535901043443104
  26. Laura WeiskopffMilwaukee, WI 532031497940472
  27. Joseph Welin, COTALa Crosse, WI 546011235419730
  28. Trina WendtAntigo, WI 544091255783452
  29. Renee Wenger, C.O.T.A.Dodgeville, WI 535331417295684
  30. Mary Wenk, COTAMadison, WI 537181528275682
  31. Marcie Wenzel, COTALodi, WI 535551376743385
  32. Sarah WenzlaffGreen Bay, WI 543041346629490
  33. Rachel Werner, COTAMayville, WI 530501730430125
  34. Paula Wesley, COTASheboygan, WI 530811275845885
  35. Teresa Westberg, COTAAlgoma, WI 542011386744217
  36. Mary Ellen Westerlund, COTAHudson, WI 540161902137441
  37. Rebecca Westgate, COTAMadison, WI 537041003692104
  38. Jessica Wetter, COTA/LPlatteville, WI 538181629620653
  39. Vicky Wheeler, COTAMilltown, WI 548581093045379
  40. Staci White, COTAMilwaukee, WI 532101023278330
  41. Staci WhiteMadison, WI 537141366560377
  42. Tara WidemanWaupaca, WI 549811548198617
  43. Megan WidikerStevens Point, WI 544821275198855
  44. Jenny Wiedmeyer, COTAMenasha, WI 549521083542690
  45. Joanne Wiegert, COTAOgema, WI 544591023282233
  46. Krista Wiener, COTAPark Falls, WI 545521669798922
  47. Logan Wilberding, COTAEvansville, WI 535361104692458
  48. Jessika WildenbergGreen Bay, WI 543011831697895
  49. Jill Wiley, OTAArbor Vitae, WI 545681457429094
  50. Terry WileyShawano, WI 541661497906226

Source: CMS NPPES, primary taxonomy 224Z00000X: records by practice city and the list of records, file of Aug 9, 2026.

Wisconsin ranks 2 of 51 per resident

  1. Arkansas35
  2. Wisconsin25
  3. Oklahoma23
  4. Delaware23
  5. 50 states and D.C.12

Source: CMS NPPES, primary taxonomy 224Z00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.1% of these records appear in a Medicare file, against 0.1% 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. Wisconsin0.1%
  2. United States0.1%

Occupational Therapy Assistant records in Wisconsin, measured

  • In a Medicare file2 of 1,460 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file3 · 0.2% here, 0.1% nationally
  • Not updated in five years or more1,140 · 78.1% here, 72.0% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 224Z00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

1,460 NPPES records list occupational therapy assistant (224Z00000X) as their primary taxonomy with a practice address in Wisconsin: 25 per 100,000 residents against 12 nationally (50 states and D.C.). Milwaukee has 101 of them (7%).

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. Illinois1,498
  2. North Carolina1,357
  3. Indiana1,091
  4. Virginia1,086

States with a similar rate per 100,000

  1. Oklahoma23.4
  2. Delaware23.0
  3. Ohio20.5
  4. Kansas20.0

The largest states

  1. Texas4,278
  2. Florida3,825
  3. New York2,732
  4. Ohio2,421
  5. Pennsylvania2,155

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.