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 42 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. Morgan OhmanWest Chicago, IL 601851497581367
  2. Carla Oldham, MA, BCBAAurora, IL 605041912417759
  3. Melissa OlesChicago, IL 606181336447929
  4. Stephanie OlivarWaukegan, IL 600851790337350
  5. Peter OliveriDowners Grove, IL 605151780192971
  6. Paige Olsby, BCBATinley Park, IL 604871700504081
  7. Morgan OlsenHoffman Estates, IL 601691558829531
  8. Kiya Olson, MA & M.S.Naperville, IL 605631174658629
  9. Kristen OlsonWestern, IL 605581669905246
  10. Karyn OlszakLindenhurst, IL 600461720574148
  11. Madison OlszewskiGlenview, IL 600251083599591
  12. Jing OmahenMokena, IL 604481326480450
  13. Dunya Omari, M.A., BCBAOrland Park, IL 604621427914670
  14. Catherine OneillWheaton, IL 601891205458114
  15. Ansu Oommen, M.A. BCBAChicago, IL 606391386145589
  16. Taylor OpsahlAurora, IL 605021568997047
  17. Gracy OrahillyPalos Heights, IL 604631376419796
  18. Yolanda OrangeFlossmoor, IL 604221134497837
  19. Shana Orlansky, M.ED, BCBAChicago, IL 606031073167565
  20. Shannon Ormandy, MA, BCBAChicago, IL 606071720491814
  21. Michelle Ortega, BCBADes Plaines, IL 600161437624004
  22. Jennifer Ortiz, BCBAChicago, IL 606411114417136
  23. Allison OrtliebNaperville, IL 605631992301568
  24. Kendra OstranderLake In The Hills, IL 601561811621451
  25. Krystal Oswald, BCBA, LSWBelleville, IL 622231194029876
  26. Susan Owano, BCBAPlainfield, IL 605441356805006
  27. Cassandra OwensDolton, IL 604191447877782
  28. Tamara OwsleyNaperville, IL 605631376089136
  29. Shanon OzingaChicago, IL 606111629219332
  30. Ina PachwicewiczOlympia Fields, IL 604611457657272
  31. Aiereen PadaoHoffman Estates, IL 601691316778368
  32. Jaime PadronArlington Heights, IL 600041639671795
  33. Simone PaesChicago, IL 606571992303887
  34. Lynngail PageTinley Park, IL 604771356733745
  35. Maureen Page, BCBANorthbrook, IL 600621346729571
  36. Dorine PainoHazel Crest, IL 604291366848780
  37. Angela Pajcini, BCBASchaumburg, IL 601931255130316
  38. Megan Palombella, BCBA, M.EDAurora, IL 605041528584802
  39. Nicole Palumbo, M.A., BCBAChicago, IL 606311508692864
  40. Lauren Panock, LBA, BCBAOswego, IL 605431548787468
  41. Kendall Papa, M.A. BCBAJoliet, IL 604351235756347
  42. Danielle Paradise-Fyock, MSSt Charles, IL 601741750880795
  43. Avery ParchemOrland Park, IL 604621407711328
  44. Priya PardiwalaMorton Grove, IL 600531750035002
  45. Nicole Paris, BCBAOak Lawn, IL 604531710472030
  46. Amber ParkerCrystal Lake, IL 600141982230785
  47. Brooke Parker, BROOKE OWENS PARKERChicago, IL 606531851699276
  48. Letitia ParkerChicago, IL 606511700031838
  49. Sarah ParkinsonArlington Heights, IL 600051184190290
  50. Morgan ParsonsAurora, IL 605021457198012

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.