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 29 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. Catherine LashNaperville, IL 605641962874982
  2. Whitney LashockLoves Park, IL 611111619324399
  3. Elissa Laslo, MS DTChicago, IL 606261154598381
  4. Adrienne LatronicaOrland Park, IL 604621003429820
  5. Kathleen LattaJoliet, IL 604351669684619
  6. Ashley LauerHuntley, IL 601421861958563
  7. Sherry Laughlin, DTChicago, IL 606511407199136
  8. Mary LauingerGlen Ellyn, IL 601371649737693
  9. Luz LaurelChicago, IL 606231831826379
  10. Samantha Lawrence, DTChicago, IL 606131629274741
  11. Linda LawsonAroma Park, IL 609101104783257
  12. Faith LawwillOrland Park, IL 604671093977829
  13. Megan LearnedSaint Joseph, IL 618731346891447
  14. Latecia LeavyMarkham, IL 604281053751396
  15. Stacey Lebro, D.T.Edwardsville, IL 620251265553796
  16. Julie Lechowicz, D.T.Belleville, IL 622261720101322
  17. Marzena LeckaChicago, IL 606301750109955
  18. Areum LeeArlington Heights, IL 600041447066568
  19. Brenda Lee, DT, DEO Fallon, IL 622691548762412
  20. Kelsey LeeNoble, IL 628681962834754
  21. Kyla LeeCalumet City, IL 604091043907173
  22. Mia LeeHighland, IL 622491942005418
  23. Tessa Lee, M.EDElburn, IL 601191093192353
  24. Ying Chieh LeeChicago, IL 606051396064655
  25. Bobbie LeedsBloomington, IL 617011801063045
  26. Ana LeffelEvanston, IL 602021124479407
  27. Jessica LegaultGreenville, IL 622461114577764
  28. Sarah Legge, D.T.Aurora, IL 605041013125103
  29. Elizabeth LehmannChicago, IL 606101235014002
  30. April LeighLombard, IL 601481093048001
  31. Margaret LemieuxDekalb, IL 601151821503335
  32. Abril LensLansing, IL 604381093143885
  33. Daniel LeonardCarol Stream, IL 601881154645489
  34. Mary LeonardChicago, IL 606141154619062
  35. Meaghan LeonardOak Lawn, IL 604531639340060
  36. Tiffany Leonard, M.ED.University Park, IL 604841154614188
  37. Jessica LeonardoWheeling, IL 600901730473299
  38. April Leopold, DEVL THERAPISTPeoria, IL 616031679695530
  39. Christine LeporeRiverside, IL 605461043948250
  40. Kimberly LepperCarol Stream, IL 601881124436274
  41. Alicia Leprich, D.T.Plainfield, IL 605441275978553
  42. Catherine LeshChicago, IL 606131083993141
  43. Sofiia LeshehaNorthbrook, IL 600621629966833
  44. Lindsay LeslieOttawa, IL 613501861648479
  45. Bridget Lessentien, M. ED.Lockport, IL 604411629402771
  46. Erica LessigDeerfield, IL 600151720657166
  47. Amy Lester, DTBelleville, IL 622201356669493
  48. Diana LesterPalos Heights, IL 604631982421475
  49. Elaine Lethiot-CabreraJoliet, IL 604361841504784
  50. Anne LevyChicago, IL 606081063534782

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.