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 43 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. Caroline PassalinoChicago, IL 606301740803352
  2. Hardi PatelCountryside, IL 605251518698588
  3. Karishma PatelDarien, IL 605611780225680
  4. Nehal PatelAurora, IL 605061962988667
  5. Samantha PatelWestern Springs, IL 605581821547829
  6. Boris PatentChicago, IL 606261144664137
  7. Poonam PatilLombard, IL 601481184313694
  8. Devin Patnaude, BCBAChicago, IL 606041952154718
  9. Caroline PatrickNorthbrook, IL 600621285183418
  10. Kayla PattersonBurr Ridge, IL 605271487223046
  11. Cory PattonDes Plaines, IL 600181245016625
  12. Lanea PattonBeach Park, IL 600871982440152
  13. Brooke PatznerChicago, IL 606181073472809
  14. Hannah PaulCrystal Lake, IL 600141194390070
  15. Dana Pavlik, BCBACicero, IL 608041487910998
  16. Morgan Pawula, BCBAJoliet, IL 604351265949473
  17. Breanna PayneCrystal Lake, IL 600141063991669
  18. Szechuan PayneWestmont, IL 605591942960752
  19. Celeste PearsonOak Lawn, IL 604531184181869
  20. Sernella PearsonChicago, IL 606491962165910
  21. Jessica Peczeniuk, MS, BCBA, LBANaperville, IL 605631851891154
  22. Mia PeggDeerfield, IL 600151457242018
  23. Lisa Peirce Boyle, M.ED., BCBANaperville, IL 605401972808905
  24. Kaylee PellackOrland Park, IL 604621841825361
  25. Janice Pellecchia, BCBAChicago, IL 606051407069941
  26. Victoria Pellettiere, PH.D.Joliet, IL 604361447570536
  27. Renata Pendle, BCBA, LBANaperville, IL 605641730684556
  28. Abagail Pennington, BCBASpringfield, IL 627031558016162
  29. Fatima PereraChicago, IL 606161356174296
  30. Angie Perez, MA, BCBALincolnwood, IL 607121386566289
  31. Arianna PerezNaperville, IL 605641912732025
  32. Clara PerezChicago, IL 606161144967282
  33. Isabel PerezWaukegan, IL 600851003384512
  34. Joslyn PerezChicago, IL 606161275134272
  35. Julissa PerezDarien, IL 605611356120687
  36. Stephanie PerezPlainfield, IL 605441912652801
  37. Dafne Perez-Quinn, BCBAFranklin Park, IL 601311669961397
  38. Nicole PerfettiChicago, IL 606111659695641
  39. Stephanie Perkins, M.A.Palatine, IL 600741649662826
  40. Alexandra PerkowskiChicago, IL 606171861023848
  41. Marina PerriNorthbrook, IL 600651891625489
  42. Kayla PerryWheaton, IL 601891033716360
  43. Tiana Perry, BCBAOlympia Fields, IL 604611952926164
  44. Allison Peters, BCBADekalb, IL 601151427463207
  45. Ashley Petersen, PSY.D.Park Ridge, IL 600681326202516
  46. Robyn PetersenChicago, IL 606381255291001
  47. Brianna Peterson, BACB 1-24-75392Libertyville, IL 600481164911715
  48. Kristen PetrilloChicago, IL 606471295957447
  49. Alexandra Petz, M.A.Countryside, IL 605251841592961
  50. Evan PfeiferLibertyville, IL 600481124741988

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.