NPPES file of Aug 9, 2026

Developmental Therapist in Illinois

2,793 NPPES records list developmental therapist with a practice address in Illinois, 22.3 per 100,000 residents, the 2nd highest rate of 48. Chicago and Highland have the most; each record links to the provider's NPI and the Illinois license search. Page 37 of 56.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 222Q00000X · 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, 652

  1. Chicago652
  2. Highland62
  3. Aurora40
  4. Joliet38
  5. Naperville35

Developmental Therapist records in Illinois

  1. Jewel NoldenBroadview, IL 601551790994515
  2. Ellen NoonanTinley Park, IL 604871497992960
  3. Sarah Noonan, M.ED.Chicago, IL 606551942497441
  4. Amanda NordMorton Grove, IL 600531326313883
  5. Crystal NormanChicago, IL 606191720316722
  6. Cynthia NormanMilan, IL 612641679099097
  7. Emily Norris, D.T.Ottawa, IL 613501457571929
  8. Natalie NotaroSchaumburg, IL 601731629551379
  9. Buthina NouriOak Forest, IL 604521003389685
  10. Laura NovakJoliet, IL 604311992104319
  11. Jennifer Nowakowski, DEVELOPMENTAL THERAPBartlett, IL 601031326268095
  12. Maria Donna Mae NucumNaperville, IL 605631851532618
  13. Ashley NudelmanChicago, IL 606101801154331
  14. Jessica NunezPalos Park, IL 604641871829978
  15. Carol NurseWoodstock, IL 600981750942421
  16. Maureen Nutley, DEVELOPMENTALTHERAPYLoves Park, IL 611111982827549
  17. Annamarie NuttMorton, IL 615501427289651
  18. Jennifer Nyder, DTNew Lenox, IL 604511396104089
  19. Laura NylenNaperville, IL 605651700139607
  20. Johanna O'BrienChatham, IL 626291205083516
  21. Constance O'ConnorBuffalo Grove, IL 600891932493004
  22. Corrie O'ConnorChicago, IL 606181043545338
  23. Teresa O'Connor, DEVELOPMENTAL THERAPChampaign, IL 618201659600674
  24. Crystal O'Donnell, D.T.Millstadt, IL 622601033344932
  25. Sara O'DowdGrayslake, IL 600301134537285
  26. Anna O'Halloran, DTVernon Hills, IL 600611619665783
  27. Lisa O'Halloran, DTElmhurst, IL 601261568689453
  28. Carol O'Keefe, DTOrland Park, IL 604671699897462
  29. Anna Liza O'Neal, MSDeerfield, IL 600151689700734
  30. Julia O'NeillQuincy, IL 623011487063269
  31. Melanie O'Reilly, DTBartlett, IL 601031275789836
  32. Patricia O'Sullivan, M.ED.Naperville, IL 605641578843587
  33. Lynn O'TooleSycamore, IL 601781972706398
  34. Nicole ObrochtaMount Prospect, IL 600561336952530
  35. Lizette OcasioWestmont, IL 605591518850817
  36. Victoria OchoaHarwood Heights, IL 607061285470989
  37. Dakota OffordChicago, IL 606071841151677
  38. Kimberly OgarekJoliet, IL 604311356566855
  39. Andrew Oh, M.ED.Schaumburg, IL 601731104024991
  40. Ethel Okocha, M OF ED., GCDFChicago, IL 606491306153457
  41. Jamie Okon, DTJoliet, IL 604351063624021
  42. Monique OliphantChicago, IL 606441033898135
  43. Tamika OliverUniversity Park, IL 604841619264975
  44. Olivia OliveriusWheaton, IL 601871114541570
  45. Paulette OllieWest Chicago, IL 601851083833529
  46. Gail OlsonJacksonville, IL 626501588842157
  47. Tracy OlsonNew Lenox, IL 604511093608606
  48. Janusz OmylaChicago, IL 606141437335163
  49. Kenna OnealOakwood, IL 618581992627434
  50. Dianna OrmeHighland, IL 622491336019496

Source: CMS NPPES, primary taxonomy 222Q00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 2 of 48 per resident

  1. Massachusetts74.9
  2. Illinois22.3
  3. Florida19.2
  4. Kentucky16.4
  5. 50 states and D.C.5.0

Source: CMS NPPES, primary taxonomy 222Q00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

under 0.1% of these records appear in a Medicare file, against 0.1% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Illinois0.0%
  2. United States0.1%

Developmental Therapist records in Illinois, measured

  • In a Medicare file1 of 2,793 · under 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file1 · under 0.1% here, 0.1% nationally
  • Not updated in five years or more2,072 · 74.2% here, 71.3% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 222Q00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,793 NPPES records list developmental therapist (222Q00000X) as their primary taxonomy with a practice address in Illinois: 22.3 per 100,000 residents against 5 nationally (50 states and D.C.). Chicago has 652 of them (23%).

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. Florida4,335
  2. Indiana938
  3. Kentucky741
  4. New York460

States with a similar rate per 100,000

  1. Arkansas10.7
  2. Idaho8.6
  3. Connecticut5.9
  4. District of Columbia4.1

The largest states

  1. Massachusetts5,242
  2. Florida4,335
  3. Indiana938
  4. Kentucky741
  5. New York460

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.