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 21 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. Erik PainterBelleville, IL 622231629261946
  2. Nancy Paliga, COTALindenhurst, IL 600461265102503
  3. Derrick PalmerGurnee, IL 600311417784851
  4. Peggy Palmer, COTA/LMacomb, IL 614551093981656
  5. Leslie PalosJerseyville, IL 620521235538158
  6. Elizabeth Palumbo, COTAJoliet, IL 604331528512753
  7. Ruth Panlilio, COTANaperville, IL 605631164166039
  8. Crystal Panzer, COTA/LLockport, IL 604411245406537
  9. Juan Pardo, COTA/LDecatur, IL 625261447586979
  10. Lauren Parks, COTA/LPeoria, IL 616031144770751
  11. Lisa Parks, COTANorth Barrington, IL 600101598543969
  12. Shayveunte Parks, COTABelleville, IL 622261740054923
  13. Sharon Parli, COTA/LBartlett, IL 601031376001263
  14. Taylor ParusRockford, IL 611021669022265
  15. Sharon Paschal, COTA/LChicago, IL 606591306188693
  16. Jaime PatelNorthbrook, IL 600621396407466
  17. Zil PatelChampaign, IL 618221114660396
  18. Querida PattersonSwansea, IL 622261285311472
  19. Charlene PavesichKankakee, IL 609011508107285
  20. Katharine PeacockGlenview, IL 600261326469560
  21. Nicholas Peacock, L/COTAChampaign, IL 618221316528797
  22. Marisa PellegriniPalos Heights, IL 604631437883956
  23. Kristy PerezMorton Grove, IL 600531720494974
  24. Victor PerezPalos Park, IL 604641093330565
  25. Yessica Perez, COTA/LElmhurst, IL 601261942902762
  26. Cheryl PerrillesPeoria, IL 616071326650235
  27. Steve Perschbacher, COTA/LSwansea, IL 622261710465257
  28. Nicole Perteete, COTAChicago, IL 606321407126477
  29. Lynette Peterson, COTAJoliet, IL 604331588780787
  30. Naomi Petithomme, COTAChicago, IL 606251154990760
  31. Steven PetriEast Peoria, IL 616111356515258
  32. Debra Phelps, COTAGlenview, IL 600261568039394
  33. Deborah Phillips, COTAChicago, IL 606141326164492
  34. Sharita PhillipsGlenview, IL 600261811467392
  35. Samantha PiasnyFox River Grove, IL 600211265085484
  36. Erin PicklesEnergy, IL 629331023606423
  37. Gabrielle PierceShelbyville, IL 625651871410209
  38. Rejeigh PierceCrystal Lake, IL 600141902739147
  39. Sarah Pillow, COTA/LFreeport, IL 610321073395273
  40. Lorilee Pilota, COTA/LGlenview, IL 600261699940106
  41. Nichole PintoBeecher, IL 604011194299495
  42. Lenea Piotrowski-Smith, COTAWood Dale, IL 601911265075931
  43. Crystal Piper, COTA/LGlenview, IL 600261922463033
  44. Linette Pipkin, COTA/LGlen Carbon, IL 620341619657384
  45. Rose PittelliChicago Ridge, IL 604151366860017
  46. Jessica Plummer, COTALincoln, IL 626561841758240
  47. Andrea Pogwizd, COTACary, IL 600131154855450
  48. Kendy Polley, COTA/LCarbondale, IL 629021922639954
  49. Dania Polly, COTAAurora, IL 605051831260066
  50. Bobby Pope, COTAChicago, IL 606401366048720

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.