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 21 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. Syhemia Gray-Cruz, MSEDMakanda, IL 629581528748670
  2. Rebecca GrazulisChicago, IL 606131164744249
  3. Charnell GreenChicago, IL 606161538918040
  4. Latrease GreenCalumet City, IL 604091336445915
  5. Shelley GreenWashington, IL 615711124435474
  6. Mallory Greenbank, BCBALa Grange, IL 605251427620186
  7. Jeremy Greenberg, BCBA-DGlenview, IL 600251174361190
  8. Brandon Greene, PH.D.Carbondale, IL 629021841433208
  9. Kristin Greenwood, BCBACountryside, IL 605251669763512
  10. Ashleigh Gregory, BCBAWoodstock, IL 600981548819626
  11. Gabriel GriffinSpringfield, IL 627041841076429
  12. Jasmine GriffinChicago, IL 606161568324721
  13. Kelvin GriffinChicago, IL 606081821925009
  14. Alexis Grinstein, M.A., BCBASkokie, IL 600771720413297
  15. Daniel GrishamWest Frankfort, IL 628961891261871
  16. Ashley Gristick, BCBAChicago, IL 606311740829175
  17. Rebekah Grooten, BCBAChicago, IL 606251598533135
  18. Anne Gross, BCBAChicago, IL 606591346891702
  19. Jennifer GrossheiderChicago, IL 606051740595164
  20. Jessica Gruber, BCBA-D, PHD, LBAChicago, IL 606591811303282
  21. Ashley GruelHoffman Estates, IL 601691811497894
  22. Dexter GrzybLincolnwood, IL 607121013842608
  23. Sara GubalaHomer Glen, IL 604911023454337
  24. Michelle GuenetteChicago, IL 606311528675857
  25. John Guercio, PHD BCBA-D CBISTJerseyville, IL 620521861710485
  26. Izri GuerraChicago, IL 606161174472997
  27. Diana Guerrero, M.A., BCBAPlainfield, IL 605851154108009
  28. Heathere GuerreroPlainfield, IL 605441982455739
  29. Allison GuidariniDekalb, IL 601151184386856
  30. Paige Gulbrandsen, MA, BCBASchaumburg, IL 601731730642067
  31. David GulleyOak Lawn, IL 604531801556865
  32. Mallory GullingNorthbrook, IL 600621639677933
  33. Kaan GunayChicago, IL 606251306642640
  34. Karl GunnarssonCarbondale, IL 629011114363959
  35. Aarti GuptaSouth Holland, IL 604731063718880
  36. Kimberly Gussy-Fragakis, BCBANorthbrook, IL 600621073088878
  37. Abby Guthrie, BCBAChicago, IL 606071780243758
  38. Abigail GutierrezLincolnwood, IL 607121154158376
  39. Diane GutierrezChicago Heights, IL 604111831513704
  40. Esmeralda Gutierrez, MA ABAGeneva, IL 601341982477931
  41. Esmeralda GutierrezChicago, IL 606161710845680
  42. Jaclyn Gutierrez, BCBAChicago, IL 606461215118567
  43. Kathleen GuyetteChicago, IL 606161831338201
  44. Grace Haberkorn, BCBAChicago, IL 606141811640360
  45. Melissa Hackney, BCBANorthbrook, IL 600621437657186
  46. Karlie HadleySpringfield, IL 627111225630742
  47. Katherine Haggerty, MS, BCBANorthfield, IL 600931487297263
  48. Ban HaidarChicago, IL 606591508320334
  49. Alexa Halbert, BCBAChicago, IL 606471033598727
  50. Cassandra HalbertChicago, IL 606421902424369

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.