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 1 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. Nora AbelMarinette, WI 541431457429185
  2. Joan Abendroth, COTAFitchburg, WI 537111326316068
  3. Vikki AddyGreendale, WI 531291093981862
  4. Jean Adebogun, COTACedarburg, WI 530121780806992
  5. Kristen AdelmeyerWisconsin Rapids, WI 544941467804096
  6. Jennifer Adkins, COTASheboygan, WI 530811801044185
  7. Kari Adler, COTAAshland, WI 548061487923462
  8. Marisa AlbersGreen Bay, WI 543031982259123
  9. Andrew AlbrechtCedarburg, WI 530121164942454
  10. Carissa AlexanderMilwaukee, WI 532031295164051
  11. Sara Alfson, COTAManitowoc, WI 542201790907178
  12. Tammy Allar, COTABrookfield, WI 530451992978928
  13. Jennifer Allcox, COTARiver Hills, WI 532171861955189
  14. Karen Allen, COTARacine, WI 534061598097818
  15. Kendra Allen, COTAJanesville, WI 535451144557331
  16. Jessica Alsaker, COTAFitchburg, WI 537111043975485
  17. Valerie Alt, COTALone Rock, WI 535561922416460
  18. Timothy Alters, COTAGreendale, WI 531291255649943
  19. Javier Alvarez, COTAPrairie Du Chien, WI 538211619027166
  20. Tina Amundson, COTAOmro, WI 549631720230220
  21. Carol AnackerMadison, WI 537921952321929
  22. Autumn Anderson, COTAOshkosh, WI 549041255965430
  23. Elizabeth Anderson, COTAMadison, WI 537141154642429
  24. Samantha AndersonGlenwood City, WI 540131487359675
  25. Julie Andres, COTAMenasha, WI 549521740796879
  26. Julie Anich, OTAWest Allis, WI 532271669792628
  27. Michelle Anker, OTASuring, WI 541741972829620
  28. Diedre Armstrong, COTAViroqua, WI 546651619307477
  29. Jacklyn ArmstrongBaraboo, WI 539131376974204
  30. Rebecca Armstrong, COTABeloit, WI 535111881421253
  31. Jayne Arne, COTAOshkosh, WI 549021417261272
  32. Adelheid Arvold, COTAJuneau, WI 530391649066606
  33. Emily Auck, COTAMadison, WI 537181982045233
  34. Dyan Badora, C.O.T.AGreendale, WI 531291144488404
  35. Taylor Baker, COTA/LEau Claire, WI 547011437954625
  36. Laura Balcerak, COTAMuskego, WI 531501669935359
  37. Jodi Ball, COTAKenosha, WI 531441922372093
  38. Holly BalthazorLomira, WI 530481164149761
  39. Madelynn Bamford, OTA, BT TECHJanesville, WI 535481992342299
  40. Sheila Banda, COTAAppleton, WI 549151942497847
  41. Anton BansemerMilwaukee, WI 532231659912368
  42. Justine Bantle, COTAPeshtigo, WI 541571427203827
  43. Cheryl Barfknecht, COTAByron, WI 530061588938146
  44. Janine Barkow, COTAOconto Falls, WI 541541578736641
  45. Mariah Barr, COTA/LMadison, WI 537051710471859
  46. Susan Barrett, COTASchofield, WI 544761326214081
  47. Anne Barry, COTADelavan, WI 531151508027160
  48. Billie BarsnessSuperior, WI 548801881451755
  49. Alida BarthmanNew Richmond, WI 540171992974257
  50. Terry Barton, COTAMadison, WI 537151194885046

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.