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 17 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. Mary Lukas, COTA/LPark Ridge, IL 600681043588080
  2. Anthony Lumanglas, COTA/LGlenview, IL 600261689849689
  3. Joanne Lundstrom, COTA/LCrystal Lake, IL 600141548452139
  4. Nikki Lynch, COTAMc Leansboro, IL 628591831329416
  5. Annmarie Lyons, COTAChicago, IL 606401609420587
  6. Dawn Lyons, COTABartlett, IL 601031891465803
  7. Chi Wing MaChicago, IL 606141376240002
  8. Jack MaAurora, IL 605041538854252
  9. Stephanie MabusJacksonville, IL 626501134768708
  10. Emily Macias, COTA/LGodfrey, IL 620351467070102
  11. Luis Maciel-Maldonado, COTA/LChicago, IL 606231063953495
  12. Teri MaddenRockford, IL 611031174291843
  13. Craig Madsen, COTAOrland Park, IL 604671063631976
  14. Kristine Madura, COTAChicago, IL 606341124669148
  15. Lauri Maguire, OTACrystal Lake, IL 600121891342622
  16. Raeesa MahmoodCrystal Lake, IL 600141366001067
  17. Kinga MajLake Zurich, IL 600471750748091
  18. Magda Makar, AS,COTAGlenview, IL 600261295427227
  19. Carla Maldonado, COTAGlenview, IL 600261821755356
  20. Jody Maldonado, COTALBurr Ridge, IL 605271326242140
  21. Alexandra MalecBloomington, IL 617011669336657
  22. Candace Mallory, COTA/LBartlett, IL 601031770844037
  23. Megan MalyszekWilmette, IL 600911801651633
  24. Ray Nikko ManaloHighland Park, IL 600351710863147
  25. Lisa Mangelsdorff, COTA/LMidlothian, IL 604451891935136
  26. Kathryn Mannion, COTAGlenview, IL 600261679155360
  27. Kelly Mansouri, COTA/LGlenview, IL 600261477728194
  28. Hayley Mantis, COTAGlenview, IL 600261326341710
  29. Ramon Manuel, COTA/LSchaumburg, IL 601941396213054
  30. Donna Marasco, COTABolingbrook, IL 604901679716724
  31. Mark Marcello, LMTCarpentersville, IL 601101548400179
  32. Heather Marcordes, COTA/LTinley Park, IL 604771003172669
  33. Dorothy Markese, COTA/LGlenview, IL 600261962666834
  34. Kristi Marley, COTA/LPana, IL 625571205495389
  35. Ann Marotta, COTALake In The Hills, IL 601561750976338
  36. Alexis MarshallBelleville, IL 622201891359733
  37. Shelia MarshallChicago, IL 606411386399087
  38. Amanda Martin, COTALMarion, IL 629591518055763
  39. Eileen MartinChicago, IL 606341851718761
  40. Lindsay Martin, COTA/LGlenview, IL 600261649846833
  41. Mark Martin, COTA/LMarshall, IL 624411083588933
  42. Holly Martin-Fildew, COTA/LEdwardsville, IL 620251770875072
  43. Ruben Martinez, COTA/LChicago, IL 606261003064585
  44. Susan Martinich, COTAAurora, IL 605061316668031
  45. Heather Masden, COTA/LNew Lenox, IL 604511710613971
  46. Jasmine Mason, COTA/LOak Forest, IL 604521346975075
  47. Bobbi MassieWaltonville, IL 628941376970194
  48. Alyse MastrodonatoGrayslake, IL 600301407423700
  49. Kelissa Mateika, COTAOttawa, IL 613501477020238
  50. Sara MaternowskiJoliet, IL 604351659687937

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.