NPPES file of Aug 9, 2026

Occupational Therapy Assistant in Illinois

1,498 NPPES records list occupational therapy assistant with a practice address in Illinois, 12 per 100,000 residents, the 27th highest rate of 51. Chicago and Glenview have the most; each record links to the provider's NPI and the Illinois license search. Page 26 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).

Chicago has the most, 156

  1. Chicago156
  2. Glenview126
  3. Orland Park43
  4. Springfield33
  5. Peoria30

Occupational Therapy Assistant records in Illinois

  1. Michele SorensonTinley Park, IL 604871023851417
  2. Kristina Spangler, COTAFranklin Grove, IL 610311467153015
  3. Denise Spann, COTA/LGlenview, IL 600261356797575
  4. Maura Spiguzza, COTA/LOrland Park, IL 604671740874403
  5. Taylor SpiveyClinton, IL 617271396390688
  6. Lisa Spoden, COTA/LCrystal Lake, IL 600141417111832
  7. Diane Sral, COTAWoodstock, IL 600981528621935
  8. Edyta Sroka, COTA/LOrland Park, IL 604671285013433
  9. Hallie Stabla, COTAHarvard, IL 600331093370116
  10. Alexa StacyChicago, IL 606571831067537
  11. Charis StanfieldGlenview, IL 600261376277533
  12. Kimberly Stange, COTAElmhurst, IL 601261013517192
  13. Tracy Stanley, COTAHerrin, IL 629481124276381
  14. Elicia Stasell, COTA/LTinley Park, IL 604771134554157
  15. Lynda Stearn-Elam, COTA/LOak Lawn, IL 604531790031359
  16. Stephanie SteeleBloomington, IL 617011881038941
  17. Ryan Steglich, COTASchaumburg, IL 601941538839014
  18. Jaime Steinberg, COTANew Lenox, IL 604511689193880
  19. Ericka Stemple, COTA/LDwight, IL 604201083021612
  20. Dorrian StephensNew Lenox, IL 604511528829249
  21. Teresa Stevens, COTA/LPeoria, IL 616141316421365
  22. Heather Stewart, COTASouth Elgin, IL 601771730774928
  23. Ian StillingWoodstock, IL 600981386356673
  24. Laurie StineGlenview, IL 600261023481298
  25. Kara StockwillFarmer City, IL 618421992958201
  26. Alysia StoffelMurphysboro, IL 629661306355052
  27. Valerie Stover, OTAMarion, IL 629591639251614
  28. Carrie Stowell, COTA/LSchaumburg, IL 601931164722583
  29. Kirsten Strange, COTA/LAntioch, IL 600021225794282
  30. Lindsay Street, COTA/LMetamora, IL 615481558178632
  31. Maya StreetGlenview, IL 600261811681281
  32. Shawna StriplinJacksonville, IL 626501699182261
  33. Rochelle Strong, OTR/LShorewood, IL 604311619906583
  34. Lisa Stulgate, COTA/LGlenview, IL 600261588035893
  35. Carla Sturdivant, COTAPeoria, IL 616141619142056
  36. Molly Suellentrop, COTA/LPeoria Heights, IL 616161962202572
  37. Melissa Suermann, COTA/LGlen Carbon, IL 620341093314593
  38. Savannah SullivanChicago, IL 606521235901620
  39. Lynn Sulzberger, COTAOrland Park, IL 604671235347618
  40. Beatrice Sumayop, COTA/LChicago, IL 606111740802560
  41. Chelsea Suttles, COTA/LJacksonville, IL 626501114689916
  42. Angela Sutton, COTA/LPekin, IL 615541144761149
  43. Mindy Sutton, COTAMahomet, IL 618531871080234
  44. Stacy Swan, COTAPittsfield, IL 623631659845774
  45. Robert Swanson, COTA/LEast Saint Louis, IL 622031821359324
  46. Samantha SwansonRockford, IL 611041396238390
  47. Abigail Swidergal, COTA/LWauconda, IL 600841386069359
  48. Denice SykesNorthlake, IL 601641306420351
  49. Nancy Sylvia, COTA/LFreeport, IL 610321801052378
  50. Kirsten Sympson, COTARockford, IL 611041124680608

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

Illinois ranks 27 of 51 per resident

  1. North Carolina13
  2. Connecticut12
  3. South Dakota12
  4. Illinois12
  5. Nebraska12
  6. Mississippi12
  7. 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. Illinois0.1%
  2. United States0.1%

Occupational Therapy Assistant records in Illinois, measured

  • In a Medicare file1 of 1,498 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file2 · 0.1% here, 0.1% nationally
  • Not updated in five years or more1,131 · 75.5% 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

1,498 NPPES records list occupational therapy assistant (224Z00000X) as their primary taxonomy with a practice address in Illinois: 12 per 100,000 residents against 12 nationally (50 states and D.C.). Chicago has 156 of them (10%).

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. Wisconsin1,460
  2. North Carolina1,357
  3. California1,869
  4. Indiana1,091

States with a similar rate per 100,000

  1. South Dakota12.0
  2. Nebraska11.9
  3. Mississippi11.9
  4. Colorado11.7

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.