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 56 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. Olivia YatesOak Park, IL 603041588016950
  2. Mallory YeagerWest Frankfort, IL 628961851662357
  3. Mesude YildizWillowbrook, IL 605271427556026
  4. Lindsey YordyWest Frankfort, IL 628961215592522
  5. Amanda YorkUrbana, IL 618011295360899
  6. Jennifer YorkEvanston, IL 602011114615960
  7. Tanya Younan, D.TChicago, IL 606451609078476
  8. Jasmin YoungCalumet City, IL 604091326736257
  9. Jessica YoungNaperville, IL 605651063953651
  10. Kristy YoungDecatur, IL 625261255747820
  11. Nicole YoungWoodridge, IL 605171396036471
  12. Shontaya YoungDolton, IL 604191144178625
  13. Timberly Youngblood, DTChicago, IL 606191972025781
  14. Mary ZabelskiChicago, IL 606081912028150
  15. Joyce ZablockiGrayslake, IL 600301326250358
  16. Janine Zabriskie, M.ED., CCLSChicago, IL 606131215204482
  17. Katherine ZagorskiChicago, IL 606571881975605
  18. Rebecca ZakRolling Meadows, IL 600081922434604
  19. Magda ZalewskaHighland, IL 622491265246276
  20. Kirstin Zaloum, MSChicago, IL 606141376046060
  21. Celia ZamarripaTinley Park, IL 604771053193201
  22. Leticia ZambutoChicago, IL 606141154513349
  23. Traci ZampChicago, IL 606451336911502
  24. Ingrid ZarinsBelleville, IL 622201740452010
  25. Samantha ZaunerSugar Grove, IL 605541912358441
  26. Beverly ZeiglerChicago, IL 606281982049615
  27. Penny ZeilnerEvergreen Park, IL 608051770100265
  28. Nicole ZellersChicago, IL 606081043425317
  29. Jillian Zepeda, DTOttawa, IL 613501740301431
  30. Yuxiu ZhangSavoy, IL 618741194650564
  31. Dorothy ZielinskiHighland, IL 622491750254900
  32. Elizabeth ZielinskiGilberts, IL 601361003012972
  33. Kathryn ZielinskiGlendale Heights, IL 601391558088476
  34. Sophia ZillesChicago, IL 606261023631892
  35. Tanya ZimaChannahon, IL 604101184441297
  36. Shannon ZimmerLa Grange, IL 605251013322007
  37. Laura ZimmermanChicago, IL 606071306323902
  38. Sidra ZionMorton Grove, IL 600531285956508
  39. Rebecca Zona Coulson, D.T.Frankfort, IL 604231588864961
  40. Cassandra ZspfEast Peoria, IL 616111316778301
  41. Shawna ZuberOlney, IL 624501720801509
  42. Jill ZwartzJoliet, IL 604321225458045
  43. Stephanie ZychJoliet, IL 604351033457130

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.