NPPES file of Aug 9, 2026

Behavior Technician in Illinois

9,340 NPPES records list behavior technician with a practice address in Illinois, 74 per 100,000 residents, the 28th highest rate of 51. Chicago and Northbrook have the most; each record links to the provider's NPI and the Illinois license search. Page 181 of 187.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 106S00000X · 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, 1,330

  1. Chicago1,330
  2. Northbrook665
  3. Springfield391
  4. O Fallon295
  5. Aurora271

Behavior Technician records in Illinois

  1. Zaria WillamsSpringfield, IL 627111487344438
  2. James Willams-WoodlandSpringfield, IL 627111104533652
  3. Tommy WilleChicago, IL 606561013553783
  4. Marianne WilletteOswego, IL 605431336002005
  5. Deanna WilleyNorthbrook, IL 600621699247668
  6. Daniela WilliamChicago, IL 606111730018813
  7. Addam WilliamsKankakee, IL 609011427913805
  8. Aequlia WilliamsDolton, IL 604191417530478
  9. Alexus WilliamsOak Lawn, IL 604531548081334
  10. Alicia WilliamsChicago, IL 604531003579640
  11. Angela WilliamsDarien, IL 605611427991488
  12. Aniya WilliamsChicago, IL 606041891561734
  13. Athena WilliamsJoliet, IL 604321376470831
  14. Bradley WilliamsLombard, IL 601481982558342
  15. Brandi WilliamsO Fallon, IL 622691841818903
  16. Bryanna WilliamsChicago, IL 606141275487993
  17. Candice Williams, RBTTinley Park, IL 604871265139703
  18. Carlisha WilliamsDecatur, IL 625261871474155
  19. Cashmere Williams, BTChicago, IL 606071073390670
  20. Catrice WilliamsPalos Heights, IL 604631245151786
  21. Charla Williams, RBTMidlothian, IL 604451063902559
  22. Charlie WilliamsChicago, IL 606431952819609
  23. Cornosha WilliamsChampaign, IL 618211538927108
  24. Cycelya Williams, RBTDecatur, IL 625261518666833
  25. Daelece WilliamsItasca, IL 601431245084987
  26. Dana WilliamsChicago, IL 606471023675659
  27. Danielle Williams, RBTTroy, IL 622941093680100
  28. Deanna WilliamsNorthbrook, IL 600621316572522
  29. Deja WilliamsEvanston, IL 602011285407577
  30. Deja WilliamsOak Lawn, IL 604531629787049
  31. Deriece WilliamsLombard, IL 601481467344564
  32. Desiree WilliamsNorthbrook, IL 600621861027070
  33. Destiny WilliamsGlen Carbon, IL 620341538051230
  34. Diamond WilliamsNorthbrook, IL 600621508490434
  35. Donna WilliamsHoffman Estates, IL 601691477023190
  36. Dshawn WilliamsBelleville, IL 622231164259636
  37. Ethan WilliamsNaperville, IL 605401790514313
  38. Grace WilliamsO Fallon, IL 622691922885284
  39. Haley WilliamsChicago, IL 606111568305464
  40. Haley WilliamsEast Moline, IL 612441770460560
  41. Imani WilliamsWaukegan, IL 600851902637432
  42. Isac WilliamsDolton, IL 604191073319034
  43. Jamal WilliamsChicago, IL 606151376392043
  44. James WilliamsPark Ridge, IL 600681124597489
  45. Jamesha WilliamsChicago, IL 606531447071147
  46. Jasmine WilliamsChicago, IL 606111679428684
  47. Jazlynn WilliamsPalos Heights, IL 604631053103523
  48. Jocelyn WilliamsBolingbrook, IL 604901578169876
  49. Katherine WilliamsDixon, IL 610211811767841
  50. Kayla WilliamsChicago, IL 606041750195681

Source: CMS NPPES, primary taxonomy 106S00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 28 of 51 per resident

  1. Texas82
  2. North Dakota80
  3. Tennessee78
  4. Illinois74
  5. Oregon72
  6. South Carolina65
  7. 50 states and D.C.173

Source: CMS NPPES, primary taxonomy 106S00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.1% of these records appear in a Medicare file, against under 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. Illinois0.1%
  2. United States0.0%

Behavior Technician records in Illinois, measured

  • In a Medicare file6 of 9,340 · 0.1% here, under 0.1% nationally
  • In the CMS Doctors and Clinicians file8 · 0.1% here, under 0.1% nationally
  • Not updated in five years or more2,277 · 24.4% here, 26.0% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 106S00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

9,340 NPPES records list behavior technician (106S00000X) as their primary taxonomy with a practice address in Illinois: 74 per 100,000 residents against 173 nationally (50 states and D.C.). Chicago has 1,330 of them (14%).

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. Washington9,312
  2. Utah10,583
  3. Virginia7,994
  4. Ohio7,538

States with a similar rate per 100,000

  1. Oregon72.4
  2. Tennessee77.7
  3. Virgin Islands70.0
  4. North Dakota80.2

The largest states

  1. California171,666
  2. Florida75,633
  3. Michigan63,468
  4. Texas25,158
  5. Maryland25,139

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.