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 35 of 62.

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

Chicago has the most, 674

Behavior Analyst records in Illinois

  1. Joseline Marquez, BCBABurbank, IL 604591912630260
  2. Koraima Marroquin, RBTChicago, IL 606411861982613
  3. Desiree Marsden, BCBANaperville, IL 605631609490937
  4. Erin MarshChicago, IL 606221962968495
  5. Kathy MarshSouth Holland, IL 604731164842068
  6. Stephanie Marshall, BCBAJerseyville, IL 620521841780483
  7. Halle MartenLombard, IL 601481750155727
  8. Holly Martin, BCBAPeoria, IL 616031033700984
  9. Jonah Martin, BCBABelleville, IL 622261427426782
  10. Kimberly MartinChicago, IL 606391962161505
  11. Skyler MartinJoliet, IL 604351902402449
  12. Taragene MartinChicago, IL 606571861938326
  13. Ventzislava Martin, BCBABurr Ridge, IL 605271649605213
  14. Kathleen MartinekDes Plaines, IL 600181932512712
  15. Brenda Martinez, BCBAAurora, IL 605021083281919
  16. Cristian MartinezChicago, IL 606421801662341
  17. Diana MartinezChicago, IL 606161356884183
  18. Donna Martinez, M.A., BCBAChicago, IL 606071205400587
  19. Dulce MartinezChicago, IL 606161962127258
  20. Hiosajami MartinezPalatine, IL 600741790516284
  21. Izamar MartinezOak Lawn, IL 604531962052753
  22. Jazmin MartinezChicago, IL 606291982217931
  23. Karina MartinezOak Lawn, IL 604531649801085
  24. Kati MartinezGeneva, IL 601341083404776
  25. Leslie Martinez, BCBAChicago, IL 606071235645987
  26. Nicole MartinezHillside, IL 601621639525660
  27. Sara Martinez, M.S. BCBANaperville, IL 605641194204057
  28. Veronica MartinezWorth, IL 604821831783380
  29. Dana Mascio, BCBAElmhurst, IL 601261013308154
  30. Inonge MasonOak Lawn, IL 604531487920153
  31. Victoria MasonChicago Heights, IL 604111811230568
  32. Kaitlyn MastonMarion, IL 629591891286654
  33. Constantina MastoracosChicago, IL 606421952861189
  34. Michelle MataVernon Hills, IL 600611699606434
  35. Jaime MatasOak Park, IL 603041689059214
  36. Cheryl Mathew, BCBABolingbrook, IL 604401104361328
  37. Kevin Mathew, BCBAChicago, IL 606411407620636
  38. Mary Mathewson, BCBAGurnee, IL 600311063984169
  39. Kimberly MattesHoffman Estates, IL 601691003674672
  40. Meredith MatthewsChicago, IL 606081538896808
  41. Sakara MatthewsOak Park, IL 603021851713242
  42. Stefanie Maurtua, BCBAChicago, IL 606471457872475
  43. Faye MaxwellChicago, IL 606421881421899
  44. Chelsea MayPalatine, IL 600671033727532
  45. Colleen May, BCBAWinnetka, IL 600931952750143
  46. Ryan MayNaperville, IL 605631104468115
  47. Valerie Mayer, RNVernon Hills, IL 600611972878304
  48. Madeline MazeBuffalo Grove, IL 600891982173928
  49. Danya McArthur-DoudouCrystal Lake, IL 600141861837957
  50. Aaron McAteeOswego, IL 605431811641046

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.