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 20 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. Jazib Nasim, COTA/LChicago, IL 606401316724479
  2. Jose Navarro, COTA/LArlington Heights, IL 600041922573401
  3. Keyana NaylorWarrenville, IL 605551285403014
  4. Jolan NegreSchaumburg, IL 601951710456009
  5. Rosa NehmelmanOttawa, IL 613501578179164
  6. Dominique NelsonCrestwood, IL 604181922770429
  7. Michelle Nelson, COTA/LKnoxville, IL 614481568927150
  8. Rebecca Nerone, COTA/LGlenview, IL 600261033865407
  9. Miki NessMount Vernon, IL 628641821686221
  10. Lauren Netrefa, COTA/LForest Park, IL 601301346805579
  11. Gail Neukomm, COTA/LPaxton, IL 609571184951014
  12. Anna Neumann, PTASpringfield, IL 627021801451067
  13. Kaylyn NewberryGlenview, IL 600261689453136
  14. Peggy Newby, COTA/LSpringfield, IL 627111316421175
  15. Jodi Nibbelin, COTA L, ATPPontiac, IL 617641619189826
  16. Danielle NicholsShelbyville, IL 625651538558002
  17. Theresa Nichols, COTA/LGlenview, IL 600261912481193
  18. Nicole Nichols-BreerShelbyville, IL 625651649794942
  19. Lauren Nicholson, COTA/LPalatine, IL 600671871887927
  20. Gayla Nickel, COTASpringfield, IL 627041649399239
  21. Jenna NiemiForest Park, IL 601301760267223
  22. Anna Nikitscher, COTA/LNew Lenox, IL 604511497023261
  23. Christina Nixon, COTA/LOak Park, IL 603021083858641
  24. Justyna Nizio, COTAHoffman Estates, IL 601691699408476
  25. Susan NjagiGlenview, IL 600261982375333
  26. Jamie Noon, COTA/LGlenview, IL 600261073788493
  27. Ellen Norris, COTALisle, IL 605321427811231
  28. Harriet North, COTAOrland Park, IL 604671932310588
  29. Victoria Null, COTA/LChicago, IL 606131669836110
  30. Marcella Nunez, COTARiverwoods, IL 600151518458017
  31. Edward O'Toole, COTA/LGrayslake, IL 600301588201776
  32. Sara Oboikovitz, COTA/LTinley Park, IL 604771295479418
  33. Jose Obrien, COTA/LLincolnwood, IL 607121700376761
  34. Chelsea Ochoa, COTASouth Elgin, IL 601771235844416
  35. Mobolaji Ogunmodede, COTANaperville, IL 605641144843129
  36. Kofi Okyere, COTAChicago, IL 606141497870265
  37. Peggy Oloko, OTOrland Park, IL 604671346433547
  38. Ann Olson, COTA/LDowners Grove, IL 605151639651094
  39. Ofelia Olvera-Auburn, COTAChicago, IL 606181043412331
  40. Karina Oprea, COTABuffalo Grove, IL 600891275280174
  41. Roxanne OrandeGlenview, IL 600261447864087
  42. Carey OrelikOak Lawn, IL 604531255688610
  43. Lizhira Orellana CebreroChicago, IL 606391922629088
  44. Samuel Osei BoatengChicago, IL 606151902545056
  45. Lindsay OuForest Park, IL 601301992425847
  46. Bethany Owens, COTA/LKampsville, IL 620531073784088
  47. Anna Pace, OTAUnion, IL 601801649087123
  48. Diane Pace, COTAElgin, IL 601201598973679
  49. Sarah Paden, COTAMattoon, IL 619381972823037
  50. Dayana Pagan, COTA/LMount Prospect, IL 600561205337342

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.