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 2 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. Katie BakerForest Park, IL 601301639720709
  2. Kellie BaldwinChicago, IL 606341881020311
  3. Alexandra Ball, COTA/LGlenview, IL 600261316402936
  4. Sohaila Banisaid, COTABarrington, IL 600101821633835
  5. Susan Banjavcic, COTA LAlgonquin, IL 601021922290774
  6. Lynn Banks, COTA/LCountry Club Hills, IL 604781083072276
  7. Racheal Banks, COTA/LChicago, IL 606081609150374
  8. Theresa Banzuela, COTA/LChicago, IL 606411205317567
  9. Amy BarberMount Auburn, IL 625471902550494
  10. Rachelle Barker, COTAMarion, IL 629591386987691
  11. Jessica BarnesMokena, IL 604481699408138
  12. Eric Baron, COTA/LChicago, IL 606311871292714
  13. Iris Barrientos, COTA/LChicago, IL 606601821643180
  14. Catherine BarronChicago, IL 606161699143776
  15. Jennifer BarruffiLakemoor, IL 600511043466840
  16. Nathan Barwick, COTA/LNashville, IL 622631083961551
  17. Kathryn BassoGlenview, IL 600261033731328
  18. Catherine Bateman, COTAWoodstock, IL 600981962964650
  19. Amber Batey, C.O.T.ARock Island, IL 612011992145668
  20. Abbigail BattuelloAlton, IL 620021669042560
  21. Jennifer BaudinHuntley, IL 601421215452537
  22. Ashley Bauer, COTA/LGlenview, IL 600261003736828
  23. Rebecca BaumGlenview, IL 600261649444670
  24. Susan Baumgarth-Williams, COTARockford, IL 611121306086657
  25. Aaron Beard, COTA/LMarion, IL 629591841481181
  26. Beverly Beasley, COTAChicago, IL 606451952802639
  27. Jamie Beatty, COTAEdwardsville, IL 620251063008597
  28. Jessica BeaudryGlenview, IL 600261801476072
  29. Jennifer BeckerSterling, IL 610811023608189
  30. Taylor Becker, COTA/LWaterloo, IL 622981215411731
  31. Kathleen Becket, COTA/LDekalb, IL 601151053960369
  32. Melissa Behl, COTA/LMount Pulaski, IL 625481598353344
  33. Jessica BelikRankin, IL 609601669175592
  34. Alysia BellChicago Heights, IL 604111114304722
  35. Ashli BellPlainview, IL 626851619573763
  36. Leslie Bell, COTAGlenview, IL 600261538754668
  37. Tikera BellSwansea, IL 622261316351109
  38. Fanor BenavidezLa Grange, IL 605251316793011
  39. Demetria BenderCalumet City, IL 604091497227672
  40. Emily Benedict, COTABellwood, IL 601041124345350
  41. Briana Benitez, COTAMidlothian, IL 604451285094623
  42. Dana Bennett, COTA/ LBelleville, IL 622261093279432
  43. Angela Berens, COTA/LTinley Park, IL 604771508702697
  44. Melissa BergerGlenview, IL 600261265908065
  45. Kris BernardinDecatur, IL 625211396992723
  46. Allison BerndtNormal, IL 617611881277499
  47. Jessica Berry, COTAMount Vernon, IL 628641215611819
  48. Julie Berry, COTA/LMarion, IL 629591275989568
  49. Shana Bertels, COTAShipman, IL 626851700143898
  50. Elanie BerthelOak Forest, IL 604521699639104

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.