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 7 of 30.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 224Z00000X · method

Chicago has the most, 156

Occupational Therapy Assistant records in Illinois

  1. Lynn Dell, COTAWaterloo, IL 622981598422180
  2. Aaron Dendler, COTA/LChicago, IL 606071821844077
  3. Ewa Depczynska, COTA/ LGlenview, IL 600261831594985
  4. Leah DerlaZion, IL 600991144460767
  5. Abraham DiazTuscola, IL 619531386367852
  6. Carolina Diaz, OCCUPATIONAL THERAPYChicago, IL 606561508704032
  7. Ashley Dickey, COTA/LCarbondale, IL 629011205180643
  8. Emily Diekemper, COTA/LOlympia Fields, IL 604611134825839
  9. Deanna DigloriaBatavia, IL 605101225820970
  10. Essence Dildy, COTA/LKankakee, IL 609011801639711
  11. Kimberly DipasquaElmhurst, IL 601261104160647
  12. Crystal Dirks, COTA/LBurr Ridge, IL 605271023635364
  13. Sandra DixonCottage Hills, IL 620181568781110
  14. Lalaine Dizon, OTAGlenview, IL 600261619740438
  15. Sharon Dolatowski, COTA/LChicago Ridge, IL 604151124397922
  16. Allison DonaldUrbana, IL 618021326423153
  17. Aven DonesGlenview, IL 600261093322091
  18. Lourdes DonesChicago, IL 606401245879782
  19. Jennifer DooleyClinton, IL 617271770036840
  20. Akasha Dorman, COTA/LAurora, IL 605051700410693
  21. Carie Dorn, COTA/LLincoln, IL 626561649687336
  22. Michelle Dorris, COTA/LWest Frankfort, IL 628961699143958
  23. Becky DottererPontiac, IL 617641033655527
  24. Rosemary Dougal, COTA/LChicago, IL 606131033611033
  25. Jennifer DownsChicago, IL 606341770254740
  26. Gentry Drenth, COTATinley Park, IL 604771275851479
  27. Lesley Dressen, COTA/LGlenview, IL 600261982099867
  28. Kimberly Dubridge, COTAJoliet, IL 604331962674200
  29. Renata Dudek, COTA/L, OTR/L, OTDChicago, IL 606231386000560
  30. Linda Dunbar, COTAChicago, IL 606121932221165
  31. Tiffany DunlapLansing, IL 604381962974584
  32. Casey Dunning, COTA/LMarion, IL 629591619272580
  33. Shelby Durbin, COTA/LChicago, IL 606401649837220
  34. Michelle DvorakCrystal Lake, IL 600141144646266
  35. Jacilyn DyeMattoon, IL 619381366025660
  36. Carol Dykema, OTANew Lenox, IL 604511205952504
  37. Sarah Dziewulski, COTA/LLake In The Hills, IL 601561689391419
  38. Holly Eager, COTAOak Forest, IL 604521831732932
  39. Darrielle Earls, COTA/LOrland Park, IL 604671952159717
  40. Amber EasleyMount Vernon, IL 628641932860905
  41. Angela Eberhardt, COTAWarrenville, IL 605551043420516
  42. Kenneth EchefuGlenview, IL 600261649854738
  43. Laurie Eckerty, COTA/LGibson City, IL 609361871900134
  44. Monica Eckles, COTA/LCrystal Lake, IL 600141639367071
  45. Kathy Eckroy, COTA/LMacomb, IL 614551386810935
  46. Kimber Edelman, COTA/LPontiac, IL 617641174994545
  47. Kate EdgarBelleville, IL 622231093564924
  48. Rebecca EdgingtonMarion, IL 629591043314032
  49. Marian Edmund, COTA/LMoline, IL 612651982849154
  50. Gene EdwardsAlton, IL 620021316175631

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.