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 12 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. Heidi HeimbergChicago, IL 606161356156673
  2. Karen Heineman, COTABrighton, IL 620121629369558
  3. Betty Heinold, COTAHenry, IL 615371689846636
  4. Leah Helbig, COTAPinckneyville, IL 622741649401365
  5. Jason HendershotMt Zion, IL 625491164831814
  6. Jill Henrichsen, COTAMcHenry, IL 600501639598410
  7. Cammee Henry, COTASwansea, IL 622261730388851
  8. Katherine HernandezGlenview, IL 600261083209027
  9. Michelle Hernandez, COTA/LOak Forest, IL 604521649924838
  10. Salena HernandezCary, IL 600131316570591
  11. Sarah Herrin, COTA/LGodfrey, IL 620351588102339
  12. Patricia HerrmannMcHenry, IL 600501649945791
  13. Kailey Herter, COTA/LDecatur, IL 625211376015750
  14. Brandi HickamWaterloo, IL 622981790527661
  15. Julie Hickam, COTR/LHerrin, IL 629481609024967
  16. Roclie Hicks, COTAEast Alton, IL 620241700068624
  17. Lily HildebrandtPark Ridge, IL 600681912698317
  18. Julie Hiskes, COTA/LPlainfield, IL 605441033689880
  19. Brandi Hobbs, COTA/LMattoon, IL 619381235480203
  20. Krystal HoffmannLake Barrington, IL 600101821480716
  21. Jodi HofstraSouth Holland, IL 604731053596635
  22. Andrea HoganGlenview, IL 600261083295828
  23. Erin Holden, COTAChicago, IL 606141093919102
  24. Jennifer HolfordNorthfield, IL 600931861809550
  25. Katherine Holguin, OTChicago, IL 606141710011986
  26. Kate HollerChillicothe, IL 615231811466626
  27. Tierra HolleyPeoria, IL 616151033876032
  28. Courtney Holloway, COTALawrenceville, IL 624391548725914
  29. Ashley Holm, COTA/LPalatine, IL 600741063195972
  30. Sarah Holycross, COTA/LGlenview, IL 600261740873314
  31. Karen Homer, COTAPlainfield, IL 605861316112329
  32. Andrew Hood, COTASwansea, IL 622261194287904
  33. Tammy Hopkins, COTANew Douglas, IL 620741497198527
  34. Colleen HornEffingham, IL 624011770206567
  35. Tammy Horn, COTA/LMetropolis, IL 629601164663209
  36. Maya Horowitz, COTA/LChicago, IL 606161215742762
  37. Natalie HorrellRed Bud, IL 622781942849666
  38. Whitney Horrell, COTARed Bud, IL 622781629617279
  39. Jennifer Hoskins, COTASavoy, IL 618741154903045
  40. Dakota HoulihanChicago, IL 606141396691515
  41. Tyra Houlne, COTA/LYorkville, IL 605601881183655
  42. Ashley HouseholterMetamora, IL 615481376356808
  43. Joseph Houston, COTALSpringfield, IL 627811508905084
  44. Shayna Houston, COTAChicago, IL 606201881229318
  45. Eric Howard, COTA/LChicago, IL 606491518259159
  46. Brianna Howell, COTALMarion, IL 629591336343466
  47. Kae Lynn HoytEffingham, IL 624011881355154
  48. Maiyannie HubbardChicago, IL 606531700520210
  49. Caleb Hudson, COTAMattoon, IL 619381821689217
  50. Joseph Hudson, COTA/LPeoria, IL 616141356515563

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.

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.