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 24 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. Kelsey ShutterTomah, WI 546601538687835
  2. Michelle Sislo, COTAColby, WI 544211659498285
  3. Andrea Sjaardema, COTAKenosha, WI 531441104965474
  4. Anne Skaradzinski, COTABrookfield, WI 530451285866244
  5. Carol Skurulsky, C.O.T.A.Milwaukee, WI 532271174891733
  6. Ella Slager, COTAWaupaca, WI 549811912513342
  7. Robert Slater, COTAStevens Point, WI 544811396387619
  8. Steffani SloanMilwaukee, WI 532191841456159
  9. Luanne Slovensky, COTAWisconsin Rapids, WI 544941881837896
  10. Kelly SmallBaraboo, WI 539131649449588
  11. Mary Smet, COTAManitowoc, WI 542201164821674
  12. Christine Smetek, COTACudahy, WI 531101780017269
  13. Christine Smith, COTAMontello, WI 539491386769867
  14. Heather Smith, COTAAppleton, WI 549151669626446
  15. Jerry SmithAppleton, WI 549141578099131
  16. Judith Smith, OTAWausau, WI 544031093962698
  17. Mary SmithHudson, WI 540161346648540
  18. Pamela SmithGreenfield, WI 532201992176739
  19. Stefanie Smith, COTALa Crosse, WI 546011568715332
  20. Susan Smith, C.O.T.A.Milwaukee, WI 532021316264260
  21. Jacob Sobczak, COTAMilwaukee, WI 532091679912794
  22. Mary Sobotka, COTA/LJuneau, WI 530391629579925
  23. Janet SohmOshkosh, WI 549041821203985
  24. Rebekah Sokel, COTAGreen Bay, WI 543111053681692
  25. Ashley Solfest, COTABarron, WI 548121467665844
  26. Cosette Sommers, COTA/LVerona, WI 535931063149029
  27. Pamela Sondalle, COTAAppleton, WI 549111598801904
  28. Kelly Sondelski, COTAWausau, WI 544031730354598
  29. Joann Sorenson, COTAManitowoc, WI 542201881039477
  30. Tara SosallaRandolph, WI 539561568168466
  31. Rebecca Spaeth, COTAPortage, WI 539011629214630
  32. Kiana Spanbauer, COTA/LOshkosh, WI 549011316573520
  33. Dawn Spanton, COTAHudson, WI 540161184052771
  34. Dawn Spence, C.O.T.A.Tomah, WI 546601831120732
  35. Danielle SpencerRichland Center, WI 535811730687542
  36. Carol SperberStanley, WI 547681922073238
  37. Lindsey SpiegelbergNew London, WI 549611063341881
  38. Annalise Splan, COTADe Pere, WI 541151467235416
  39. Heidi Splinter, COTAFitchburg, WI 537191568983088
  40. Samantha Sporleder, OTAOconomowoc, WI 530661710290135
  41. Chelsea Srnka, COTAWisconsin Rapids, WI 544941669858346
  42. Amy St.john, COTAMilwaukee, WI 532271831468503
  43. Kimberly Stace, COTAMadison, WI 537031033499769
  44. Josephine StacheMilwaukee, WI 532271649761412
  45. Abbie Stagliano, COTADodgeville, WI 535331770821076
  46. Traci Stalker, COTAMontello, WI 539491952590275
  47. Shirley StampflRhinelander, WI 545011265068308
  48. Sarah StanislawskiOconomowoc, WI 530661558181420
  49. Alicia Starch, COTAPrairie Du Chien, WI 538211063036390
  50. Lisa Stariha, COTAAbbotsford, WI 544051477252633

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.