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 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).

Chicago has the most, 156

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

Occupational Therapy Assistant records in Illinois

  1. Stephanie Tucker, COTAMarion, IL 629591457953002
  2. Maria Turas, COTA/LNaperville, IL 605641619492659
  3. Yvette Turcott, COTAOrland Park, IL 604671417167404
  4. Malory Turnage, COTA/LCarterville, IL 629181629422803
  5. Shanice TurnerMatteson, IL 604431184249229
  6. Terra Turner, COTASherman, IL 626841598468191
  7. Solange TuyishimeMaryville, IL 620621811846496
  8. Allyx UnderwoodPrinceton, IL 613561003426487
  9. Agnieszka UrbanekChicago, IL 606341114381274
  10. Connie UsseryMacomb, IL 614551962725036
  11. Kennedy Utz, COTA/LJoliet, IL 604351679293310
  12. Molly Utzig, COTARockford, IL 611031558633479
  13. Charles Valdez, COTAGeneva, IL 601341104566058
  14. Margaret ValelaOrland Park, IL 604671306233531
  15. Lauren ValentiFrankfort, IL 604231356814008
  16. Elizabeth ValentinChicago, IL 606141033348594
  17. Katelyn VallowGodfrey, IL 620351477049229
  18. Evangeline Van OfferenRockford, IL 611121043516370
  19. Richard Vana, COTA/LLansing, IL 604381922397595
  20. Alexandria VanerdenLibertyville, IL 600481053903617
  21. Patrice Vanmaldegiam, COTA/LAurora, IL 605061861086563
  22. Christina Vargas, COTABerwyn, IL 604021326709114
  23. Nick VassilakisGlenview, IL 600261437822053
  24. Doreen Vaughn, COTAChicago, IL 606091619143617
  25. Natalie Vaughn, COTA/LMarion, IL 629591740390517
  26. William VaughnBarry, IL 623121124589981
  27. Jorge VazquezGlenview, IL 600261710646724
  28. Makaley Velazquez, COTA/LSterling, IL 610811154016541
  29. Kathleen VeldhuizenJoliet, IL 604351932300183
  30. Neha VermaHuntley, IL 601421407503014
  31. Aleksandr Vernik, COTA/LNiles, IL 607141043852841
  32. Yarif Vhora, COTALansing, IL 604381336415702
  33. Rebecca Vilchez, COTA/LGlenview, IL 600261952928798
  34. Gloria Villa, COTAOrland Park, IL 604671417167461
  35. Karina VillanuevaSchaumburg, IL 601931598299570
  36. Romeo VillasenorChicago, IL 606341003613803
  37. Beatrice VitalAddison, IL 601011285164376
  38. Paulina Vivanco, COTA/LChicago, IL 606141043170251
  39. Holly Waggoner, COTA/LChillicothe, IL 615231790310498
  40. Janice Wagner, COTA/LGlenview, IL 600261295106672
  41. Karen Wahn, COTA LWaterloo, IL 622981093856049
  42. Stephanie Walczak, COTA/LHenry, IL 615371245402296
  43. Ann WalkerJoliet, IL 604351538632823
  44. Chaleisa WalkerJoliet, IL 604331821447830
  45. Laura Walker, COTAGibson City, IL 609361538612932
  46. Nikki Walker, COTA/LDolton, IL 604191063801504
  47. Rebecca Walker, COTA/LAntioch, IL 600021699299859
  48. Tammy Walker, COTA/LGibson City, IL 609361811430341
  49. Vicki WalkerCanton, IL 615201093980567
  50. Brittney Walkington, COTA/LBrighton, IL 620121669030243

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.