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 402 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. Eriko Yamagishi, M.S., BCBARancho Cucamonga, CA 917301376893586
  2. Lauren Yamaji, BCBASanta Clarita, CA 913211962866277
  3. Laurel Yamakawa, BCBAMonrovia, CA 910161285154880
  4. Veronika YamanovaCosta Mesa, CA 926261194681882
  5. Brooke YamauchiIrvine, CA 926121255896114
  6. Christopher YamboaOakland, CA 946061730679465
  7. Vincent YanPalo Alto, CA 943031346653649
  8. Dharma YancyAntioch, CA 945091346722360
  9. Brenda YanezRancho Cucamonga, CA 917301942132196
  10. Jacqueline YanezSoledad, CA 939601982379574
  11. Mariana Yanez, ABAVentura, CA 930031669184107
  12. Sara Yanez, BCBAEncinitas, CA 920241104161454
  13. Yessenia YanezVan Nuys, CA 914061518501287
  14. Angelica Yang, BS HEALTH SCIENCEMoreno Valley, CA 925571841824018
  15. Emily YangCovina, CA 917241669245700
  16. Gloria YangSan Jose, CA 951311225559701
  17. Jee Won YangTustin, CA 927801215759022
  18. Mai YangSan Diego, CA 921081548843287
  19. Meixia YangConcord, CA 945201750053427
  20. Meizi YangPoway, CA 920641821562851
  21. Yaling Yang, MA BCBAEncinitas, CA 920241255749875
  22. Linda Yang-VueCorona, CA 928791477932457
  23. Lingchuan YaoMonte Sereno, CA 950301790535557
  24. Zhixin YaoLos Angeles, CA 900431912732645
  25. Tara Yarberry, BCBAAlturas, CA 961011467823500
  26. Aleicia YarbroughVan Nuys, CA 914061346674694
  27. Jasmine YarbroughCompton, CA 902211184329526
  28. Mishele YashitaPalm Springs, CA 922631801555743
  29. Ahmad YasinMoreno Valley, CA 925571790323160
  30. Jordan Yassine, M.S., BCBASan Gabriel, CA 917751740528595
  31. Pamela Yata, BCBASan Leandro, CA 945771497019988
  32. Adam Yates, BCBARedding, CA 960021043569023
  33. Cristina YatesGarden Grove, CA 928401932733060
  34. Kaitlin YatesVictorville, CA 923921871954503
  35. Samuel YauCosta Mesa, CA 926261417752478
  36. Wai Ling YauAlameda, CA 945011619453404
  37. Mary Yaukey, M.ED., BCBAMenlo Park, CA 940251316534944
  38. Emma YavelWoodland Hills, CA 913671508368804
  39. Darrel YazonCosta Mesa, CA 926261639911423
  40. Annamarie Ybarra, B.ASanta Rosa, CA 954041588095699
  41. Brianna YbarraTorrance, CA 905021578105862
  42. Rebecca YbarraSan Jose, CA 951231942786348
  43. Dianna YeSan Francisco, CA 941031720542756
  44. Ashley Yeager, BCBALos Angeles, CA 900241508515453
  45. Cathryn YeagerSacramento, CA 958161336914258
  46. Merrin Yeager, MAHermosa Beach, CA 902541508478546
  47. Tiffany Yeager, BCBAFresno, CA 937271174985436
  48. Timothy Yeager, BCBA-DFresno, CA 937401366828147
  49. Mary Yee, BCBASanta Ana, CA 927051710306451
  50. Rebecca YeghiazaryanRancho Cordova, CA 956701760119010

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.