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 32 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. Jason LeaderYorkville, IL 605601881463008
  2. Samantha Leahy, BCBAVernon Hills, IL 600611447654843
  3. Jordan Leamy, BCBAChicago, IL 606171255990776
  4. Breanna Leathers-StewartElmhurst, IL 601261548800766
  5. Varvara LebedevaChicago, IL 606161295516508
  6. Hadassah Lebovits, BCBAChicago, IL 606591275137317
  7. Nicholas LecoureRound Lake Beach, IL 600731811874720
  8. Johnson LeeSteger, IL 604751326344904
  9. Karess LeeLansing, IL 604381285392738
  10. Min Hee Lee, BCBANorthbrook, IL 600621174013098
  11. Seng Lee, RBTLakemoor, IL 600511710477831
  12. Anneliese Legge, BCBAChicago, IL 606421407510639
  13. Hannah LehmanWoodstock, IL 600981588318232
  14. Cristyn LehockyChicago, IL 606311710701412
  15. Samantha Leigh, BCBAO Fallon, IL 622691346741758
  16. Shea Lemley, BCBAChicago, IL 606101053688077
  17. Dafna Lender, M.S.W., L.C.S.WWilmette, IL 600911376863852
  18. Ann LennonChicago, IL 606251881936979
  19. Kira Lentino, MS BCBADeerfield, IL 600151275352205
  20. Annalyse LerchTinley Park, IL 604871548119837
  21. Larissa Lertola, BCBAChicago, IL 606311720577232
  22. Alayna LeslieChicago, IL 606311609505536
  23. Emma Leto, MS, BCBAMokena, IL 604481356977490
  24. Taylor Levicki, M.S., BCBASchaumburg, IL 601731720509797
  25. Megan LevinNorthbrook, IL 600621609558329
  26. Dawn Levy, BCBABradley, IL 609151710213087
  27. Morgan LevyBurr Ridge, IL 605271972154920
  28. Robert LewandowskiDarien, IL 605611962853010
  29. Ashley LewisRockford, IL 611031922576172
  30. Jennifer LewisLombard, IL 601481932509296
  31. Sarah Lewis, PH.D., BCBA-D, LBADixon, IL 610211922517796
  32. Melissa Liautaud, MA, BCBANorthbrook, IL 600621982023669
  33. Erica LiddicoatChicago, IL 606401437483138
  34. Julia LignarskaOak Lawn, IL 604531295504710
  35. Rachael Lihosit, M.A., BCBAAurora, IL 605061073277265
  36. Maureen Lim, SLPAFranklin Park, IL 601311588018139
  37. April Linares, BCBADowners Grove, IL 605151003498171
  38. Dana Lindemann, PH.D., BCBAMoline, IL 612651962774687
  39. Jennifer Link, BCBABuffalo Grove, IL 600891043511579
  40. Katlyn Linsley, BCBAPeoria, IL 616031881112456
  41. Nicole Lipowski, BCBAOrland Park, IL 604621437697083
  42. Joshua Lipschultz, PH.D., BCBA-DPark Ridge, IL 600681346903168
  43. Maya LipskySkokie, IL 600771891531323
  44. Anyssa LiraOak Park, IL 603041760072987
  45. Kaitlin LisleOak Park, IL 603041891573242
  46. Christine Little, BTJohnston City, IL 629511215182126
  47. Lindsay LittleChampaign, IL 618221447051024
  48. April LloydHoffman Estates, IL 601691699275024
  49. Adam Lobermeier, BCBANorthbrook, IL 600621811363542
  50. Danielle Loch, BCBAChicago, IL 606071932598919

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.