NPPES file of Aug 9, 2026

Assistant Behavior Analyst in California

2,656 NPPES records list assistant behavior analyst with a practice address in California, 6.8 per 100,000 residents, the 2nd highest rate of 51. Ontario and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 52 of 54.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 106E00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Ontario has the most, 121

  1. Ontario121
  2. Los Angeles116
  3. San Diego111
  4. Sacramento110
  5. Corona78

Assistant Behavior Analyst records in California

  1. Ngoc VongMidway City, CA 926551053012823
  2. Theresa VuIrvine, CA 926141912846304
  3. Michelle VueElk Grove, CA 957581093514812
  4. Karla WadeSan Diego, CA 921211245831775
  5. Katelin WagnerSan Diego, CA 921231659054039
  6. Logan WalkerBakersfield, CA 933091013587237
  7. Brittany WallsAtwater, CA 953011295329670
  8. Julayah WallsSacramento, CA 958251790639409
  9. Cari WalshNapa, CA 945581265101505
  10. Erick WanchoEl Centro, CA 922431457184400
  11. Annika WangOntario, CA 917641063082675
  12. Alexander WardDublin, CA 945681255808416
  13. Shalonda WardRedondo Beach, CA 902771003707308
  14. Falaq WarisElk Grove, CA 957581760376040
  15. Lily WarnerYuba City, CA 959931376323089
  16. Sydney WarrenGranite Bay, CA 957461609415942
  17. Maddison WaschakCorona, CA 928791245116383
  18. Amber WashingtonVisalia, CA 932911407310642
  19. Victoria WatersLos Angeles, CA 900431902636806
  20. Amanda WatsonGroveland, CA 953211003570672
  21. Courtney WeaverYuba City, CA 959931306662614
  22. Jasmine WeberFontana, CA 923361407593049
  23. Megan Weber, BCBAModesto, CA 953501699296384
  24. Kaitlin WeeksLafayette, CA 945491518433812
  25. Nathaniel WehnerSan Diego, CA 921101548829310
  26. Crystal WeideGardena, CA 902481760060628
  27. Kristine Weir, BCABASan Juan Capistrano, CA 926751215463591
  28. Kianna WeldonSan Francisco, CA 941041871363218
  29. Daniel WellerMenlo Park, CA 940251043819618
  30. Felicia Westcott, BCABCorona, CA 928781417789199
  31. James WestrickFresno, CA 937211063084739
  32. Bradley WhartonHayward, CA 945411700371291
  33. Jacquline WhatleyMoreno Valley, CA 925571194490110
  34. Tempie WhiteLake Balboa, CA 914061063017747
  35. Daisy WhitfieldOntario, CA 917641710505474
  36. Alexandra WichmannSan Diego, CA 921211730667882
  37. Anne-Marie Wiggins, MSFairfield, CA 945331194209742
  38. Katelyn WildesGardena, CA 902481851166292
  39. Misty WilhelmSacramento, CA 958321669213567
  40. Lauren WilleyHuntington Beach, CA 926491427564459
  41. Koniah WilliamsOntario, CA 917641003655721
  42. Marguerite WilliamsCorona, CA 928791255918330
  43. Marissa WilliamsIrvine, CA 926121235776139
  44. Samaria WilliamsDesert Hot Springs, CA 922401396436481
  45. Sean WilliamsTracy, CA 953771619759768
  46. Avery WilsonValencia, CA 913551962292698
  47. Shawna WintersModesto, CA 953541588155279
  48. Arissa WitherowGardena, CA 902481477157246
  49. Jonathan WithersCorona, CA 928831316784135
  50. Dulce WohlfordAnaheim, CA 928011871319673

Source: CMS NPPES, primary taxonomy 106E00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 2 of 51 per resident

  1. Florida10.2
  2. California6.8
  3. Oklahoma6.7
  4. South Carolina4.9
  5. 50 states and D.C.2.9

Source: CMS NPPES, primary taxonomy 106E00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

under 0.1% of these records appear in a Medicare file, against 0.1% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. California0.0%
  2. United States0.1%

Assistant Behavior Analyst records in California, measured

  • In a Medicare file1 of 2,656 · under 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, under 0.1% nationally
  • Not updated in five years or more750 · 28.2% here, 26.4% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 106E00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,656 NPPES records list assistant behavior analyst (106E00000X) as their primary taxonomy with a practice address in California: 6.8 per 100,000 residents against 2.9 nationally (50 states and D.C.). Ontario has 121 of them (5%).

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. Florida2,306
  2. Texas414
  3. New York334
  4. Michigan316

States with a similar rate per 100,000

  1. Oklahoma6.7
  2. South Carolina4.9
  3. Kansas4.3
  4. Nevada4.1

The largest states

  1. Florida2,306
  2. Texas414
  3. New York334
  4. Michigan316
  5. Virginia275

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.