NPPES file of Aug 9, 2026

Behavior Analyst in Illinois

3,082 NPPES records list behavior analyst with a practice address in Illinois, 25 per 100,000 residents, the 24th highest rate of 51. Chicago and Naperville have the most; each record links to the provider's NPI and the Illinois license search. Page 14 of 62.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103K00000X · 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, 674

  1. Chicago674
  2. Naperville123
  3. Northbrook70
  4. Oak Park62
  5. Tinley Park62

Behavior Analyst records in Illinois

  1. Kayla DehartCicero, IL 608041770077133
  2. Ashley Dejnowski, BCBAOak Lawn, IL 604531639927742
  3. Michelle Del RealNaperville, IL 605631043099401
  4. Amanda DelaguilaNaperville, IL 605631770067530
  5. Camille Delaney, M.EDCountry Club Hills, IL 604781306130299
  6. Danielle DelfiniNaperville, IL 605631225645930
  7. Angelica Delgado, MA, BCBAOswego, IL 605431760222020
  8. David DelgadoNaperville, IL 605401720797764
  9. Lydia Delgado, M.S., BCBALisle, IL 605321154133841
  10. Brittany Delorenzo, BCBAOak Forest, IL 604521760059117
  11. Molly Demereckis, BCBAMokena, IL 604481205410891
  12. Kevin Deming, BCBAChicago, IL 606041194561506
  13. Lindsey DennisTroy, IL 622941184389728
  14. Michele Dent, BCBAHomewood, IL 604301356659478
  15. Amy DerushaChicago, IL 606461548631245
  16. Jamine Dettmering, BCBAChicago, IL 606181427501881
  17. Nathalie Deutsch, BCBANorthbrook, IL 600621326225608
  18. Valerie Deutsch, M.S., BCBAChicago, IL 606461790229441
  19. Ann DevarEvanston, IL 602011578114427
  20. Kristen Dewolf, BCBASkokie, IL 600761073268637
  21. Nicolette Di LolloChicago, IL 606161609237346
  22. Chiara Di MeglioChicago, IL 606071891064101
  23. Brianna Di SalvioChicago, IL 606571619282654
  24. Rachael Dial, M.S., BCBADekalb, IL 601151093048035
  25. Antonio DiazWest Chicago, IL 601851003606476
  26. Brianna DiazLisle, IL 605321023949377
  27. Lizbeth DiazOakwood Hills, IL 600131750916185
  28. Natalie DiazCicero, IL 608041851668164
  29. Sarah Diaz, M.S., BCBALombard, IL 601481164950234
  30. Tatiana DiazWillowbrook, IL 605271801456926
  31. Marjorie Diaz Rodriguez, LCSW, BCBAArlington Heights, IL 600041578879433
  32. Melanie DickersonTinley Park, IL 604771568769156
  33. Heather Dickinson, BCBAOrland Park, IL 604621639470263
  34. Loren DicristinaTinley Park, IL 604871770134785
  35. Robert DietzWood Dale, IL 601911336563360
  36. Nicole Digiacomo, MS, BCBANaperville, IL 605631215401864
  37. Luanne DignadiceCrystal Lake, IL 600141124667464
  38. Cassandra DikesChicago, IL 606181699089193
  39. Marcelleno DilibertoChicago, IL 606161760840888
  40. Margaux DimaanoSchaumburg, IL 601941801439914
  41. Mary-Claire Dimiceli, M.S., BCBAWilmette, IL 600911881835098
  42. Marissa DinuzzoMontgomery, IL 605381770081044
  43. Christabel DinwiddieJoliet, IL 604351871940775
  44. Margaret Dippold, BCBAChicago, IL 606071265903405
  45. Sydney DitterlineChicago, IL 606161366305559
  46. Sarah DittmanMoline, IL 612651720749286
  47. Mark Dixon, PH.D. BCBA-DNaperville, IL 605401497987747
  48. Brittany DobrovolskisOswego, IL 605431043987316
  49. Katherine Docter, SSP, BCBASpringfield, IL 627031770941957
  50. Jessica DoeblerSchaumburg, IL 601731992441406

Source: CMS NPPES, primary taxonomy 103K00000X: records by practice city and the list of records, file of Aug 9, 2026.

Illinois ranks 24 of 51 per resident

  1. Rhode Island28
  2. New York26
  3. Maryland25
  4. Illinois25
  5. Georgia25
  6. Minnesota24
  7. 50 states and D.C.32

Source: CMS NPPES, primary taxonomy 103K00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

What the count covers

3,082 NPPES records list behavior analyst (103K00000X) as their primary taxonomy with a practice address in Illinois: 25 per 100,000 residents against 32 nationally (50 states and D.C.). Chicago has 674 of them (22%).

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. Washington2,978
  2. Michigan3,195
  3. Virginia2,770
  4. Georgia2,708

States with a similar rate per 100,000

  1. Minnesota24.3
  2. Maryland25.1
  3. Arizona23.9
  4. New York26.5

The largest states

  1. California20,348
  2. Florida13,565
  3. Texas5,837
  4. New York5,183
  5. Massachusetts4,718

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.