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 46 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. Nicholas Reetz, BCBAChicago, IL 606141306233226
  2. Cecelia ReginoTinley Park, IL 604871518508126
  3. Ruth Anne Rehfeldt, BCBA-D, PHDNaperville, IL 605401225631690
  4. Prudence RehmLibertyville, IL 600481023686359
  5. Christina Reichenberger, BCBAChicago, IL 606411437698511
  6. Emma Reichert Campbell, BCBAMorrisonville, IL 625461790521243
  7. Kaitlin ReidOak Lawn, IL 604531275165961
  8. Melissa Reid, BCBAPeoria, IL 616031134770399
  9. Cheryl ReindlSpringfield, IL 627021700693603
  10. Heidi ReinkeHoffman Estates, IL 601691326879735
  11. Emma ReitmeierCollinsville, IL 622341285285858
  12. Lourdes Rendon, MS, BCBALibertyville, IL 600481487287421
  13. Katrina Renzaglia, BCBAAlto Pass, IL 629051326664038
  14. Mary Jo Renzaglia-WeirWaterloo, IL 622981740711803
  15. Victoria Residori, BCBAElmhurst, IL 601261912354762
  16. Donna Ressler RobinsonCicero, IL 608041053740597
  17. Carlos ReyesChicago Heights, IL 604111811260292
  18. Crystal ReyesChicago, IL 606161578026506
  19. Juliete Reyes, M.S., BCBAWaukegan, IL 600851780457739
  20. Miguel ReyesOak Park, IL 603041073086211
  21. Jennifer Reyna GomezPalatine, IL 600671386459311
  22. Rubi Reynaga, MA, BCBAChicago, IL 606421578207247
  23. Melissa ReynoldsChicago, IL 606071326554296
  24. Steven Rhodes, BCBAChicago, IL 606051861626020
  25. Jennifer Rice, M.ED., BCBALake In The Hills, IL 601561821507781
  26. Amber Rich, BCBANorthbrook, IL 600621972858090
  27. Ashley Richards, BCBAMokena, IL 604481083223929
  28. Kimberly RichardsMatteson, IL 604431518531847
  29. Jean Richardson, BCBAPalatine, IL 600741245469725
  30. Rebecca RichardsonChicago, IL 606221477036903
  31. Whitney RichmanChicago, IL 606401487996260
  32. Lauren RichmondFrankfort, IL 604231104513712
  33. Ryan RichmondCarbondale, IL 629011013309756
  34. Melanie Rickert, BCBAOrland Park, IL 604621639497589
  35. Terrence RickertChicago, IL 606221518235464
  36. Lauren RiderIsland Lake, IL 600421952534059
  37. Ansley RidgewayGridley, IL 617441023738705
  38. Andrea Ridgway, PH.D, BCBA-DDeerfield, IL 600151831460948
  39. Tiffany RiebmanChicago, IL 606451447121603
  40. Sarah Rieger, M.S., BCBALibertyville, IL 600481205354982
  41. Rebekah RiemerChicago, IL 606161417475021
  42. Shari Riley, BCBADekalb, IL 601151235992611
  43. Reese Rinaldi, LBA, BCBAGlen Carbon, IL 620341629793799
  44. Joel Ringdahl, PHDCarbondale, IL 629011427218585
  45. Meredith Ringhausen, MA, BCBA, LBAQuincy, IL 623011477165488
  46. Tiffany Rios, RBTChicago, IL 606311578053690
  47. Meritt RittenhouseLebanon, IL 622541346914470
  48. Alondra Rivera PerezChicago, IL 606311063359339
  49. Matti RivottoBelleville, IL 622231164985321
  50. Sophia Rizvi, BCBACicero, IL 608041366934622

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.