NPPES file of Aug 9, 2026

Behavior Analyst in California

20,348 NPPES records list behavior analyst with a practice address in California, 52 per 100,000 residents, the 5th highest rate of 51. Costa Mesa and San Diego have the most; each record links to the provider's NPI and the California license search. Page 401 of 407.

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).

Costa Mesa has the most, 1,239

  1. Costa Mesa1,239
  2. San Diego1,157
  3. Sacramento597
  4. Los Angeles534
  5. Woodland Hills509

Behavior Analyst records in California

  1. Taryn Wright-Fong, M.A., BCBASan Ramon, CA 945831164830022
  2. Aysha Wrightstone, BCBARancho Cucamonga, CA 917301508473760
  3. Luke Wrin PiperFremont, CA 945381447891999
  4. Angela WuRedwood City, CA 940631265710131
  5. Connie Wu, MSDowney, CA 902421972149730
  6. Eric WuSan Francisco, CA 941021326410887
  7. Jennie WuDaly City, CA 940141649797101
  8. Min Hwa WuSanta Clara, CA 950541356834626
  9. Wai-Ling Wu, BCBAHermosa Beach, CA 902541346790854
  10. Weizhi WuCity Of Industry, CA 917481457912750
  11. Wendy WuBurlingame, CA 940101326760505
  12. Renee Wulff-WesterheideSan Juan Capistrano, CA 926751306136635
  13. Kathryn WunschIrvine, CA 926141518741735
  14. Gordon WurtmanTorrance, CA 905031962168807
  15. April WyattValencia, CA 913551790118628
  16. Jake WylieSan Diego, CA 921021295359768
  17. Catherine Wyman, BCBAChico, CA 959731376326090
  18. Domonique WynneOakland, CA 946061518444884
  19. Iva Wynne, DIPLOMACosta Mesa, CA 926261699631010
  20. Jyni WyseLos Angeles, CA 900471245006071
  21. Lily XayalathAlameda, CA 945011992285340
  22. Angela XiaSan Diego, CA 921081316827959
  23. Jackson XiaRancho Cucamonga, CA 917301356291512
  24. Yan Xia, BCBAMilpitas, CA 950351881564490
  25. Yulin XiaNewark, CA 945601972267391
  26. Gerry XieMonrovia, CA 910161366020372
  27. Siqi Xie, BCBASan Diego, CA 921231578914834
  28. Zhane XinolMerced, CA 953481316594245
  29. Caroline XiongStockton, CA 952071215688429
  30. Dang XiongFresno, CA 937111891283370
  31. Emily Xiong, BCBASacramento, CA 958251104327931
  32. Gaukue XiongFresno, CA 937261891103420
  33. Vilaivan Xiong, BCBAEl Dorado Hills, CA 957621568910685
  34. Wendy XiongSacramento, CA 958641457854853
  35. Zer XiongFresno, CA 937201780185710
  36. Belinda XongmixayCosta Mesa, CA 926261447024401
  37. Jingyi XuAnaheim, CA 928011790374403
  38. Min XuConcord, CA 945201932021219
  39. Jennifer XueCosta Mesa, CA 926261689482275
  40. Atzimba YaarConcord, CA 945201770086704
  41. Kae Yabuki, BCBASan Gabriel, CA 917751740544337
  42. Alianna YabutCorona, CA 928791962236521
  43. Grace Yabut, MAT, BCBAHayward, CA 945451588172506
  44. Matthew YaggieWest Covina, CA 917901609284348
  45. Victoria YaghjianSan Diego, CA 921281578066221
  46. Pauline YaghoobiansTujunga, CA 910421619791050
  47. Darren YahyakhanSan Diego, CA 921281154114601
  48. Jennifer Yakos, B.A., M.A., BCBASan Diego, CA 921111316101603
  49. Angela Yakscoe, BCBASanta Ana, CA 927051669716866
  50. Kimberly YamabeValencia, CA 913551487086872

Source: CMS NPPES, primary taxonomy 103K00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 5 of 51 per resident

  1. Massachusetts67
  2. Hawaii63
  3. Florida60
  4. California52
  5. New Mexico47
  6. Oklahoma44
  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.

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%

Behavior Analyst records in California, measured

  • In a Medicare file5 of 20,348 · under 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file14 · 0.1% here, 0.1% nationally
  • Not updated in five years or more10,235 · 50.3% here, 47.0% nationally
  • Median graduation year2017 · the 14 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 103K00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

20,348 NPPES records list behavior analyst (103K00000X) as their primary taxonomy with a practice address in California: 52 per 100,000 residents against 32 nationally (50 states and D.C.). Costa Mesa has 1,239 of them (6%).

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. Florida13,565
  2. Texas5,837
  3. New York5,183
  4. Massachusetts4,718

States with a similar rate per 100,000

  1. New Mexico47.5
  2. Oklahoma44.0
  3. New Hampshire41.8
  4. Hawaii63.5

The largest states

  1. Florida13,565
  2. Texas5,837
  3. New York5,183
  4. Massachusetts4,718
  5. Nevada4,540

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.