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 198 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. Angela Lara PerezWildomar, CA 925951588501605
  2. Angelica Lara RobledoSan Diego, CA 921231265140438
  3. Makenna Lara-TavarezCosta Mesa, CA 926261356212286
  4. Andrea LaragalvanGilroy, CA 950201760978951
  5. Danielle Laranjo, BCBARiverbank, CA 953671831542901
  6. Tristan Lares-SalinasPalm Desert, CA 922601124658851
  7. Julie LargentGarden Grove, CA 928401609449040
  8. Jennyrose LargoSan Leandro, CA 945771073094215
  9. Melissa Larios, MS, BCBAPasadena, CA 911051801334081
  10. Bianca Larios MadrigalSan Diego, CA 921081609715341
  11. Brenda Larios-AriasSan Bernardino, CA 924081164107546
  12. Jazzlyn LarkAlameda, CA 945011386296424
  13. Kenneth LarracasCovina, CA 917241346818135
  14. Jill LarsenLa Canada, CA 910111871987586
  15. Saturnina LarsenSan Diego, CA 921231811455983
  16. Kiana Larsen BalaoingRancho Cucamonga, CA 917301821925835
  17. Karla LarsonWoodland Hills, CA 913671700420718
  18. Kathryn Larson, BCBASanta Fe Springs, CA 906701598077604
  19. Kenneth LarsonTulare, CA 932741487335477
  20. Leah LarsonTorrance, CA 905051346785532
  21. Jessica Lascano, APCC, BCBAClaremont, CA 917111922794858
  22. John Erick LascanoPasadena, CA 911051154821171
  23. Haley Lashlee, BCBASimi Valley, CA 930631093694234
  24. Armani LashleyLos Angeles, CA 900201003537804
  25. Courtney Lasky, PHD, BCBA-DConcord, CA 945201558754317
  26. Jadon LasleyRohnert Park, CA 949281013493808
  27. Victoria LassettreSan Jose, CA 951291598269219
  28. Ana LastraPasadena, CA 911061235649682
  29. Phillip LatamondeerSan Diego, CA 921081811837321
  30. Anthony LathanCosta Mesa, CA 926261710720008
  31. Maegan LathrumFresno, CA 937201043779580
  32. Dana LatimerCitrus Heights, CA 956101285203091
  33. Erica Lau, MS, BCBALa Canada, CA 910111487104436
  34. Jasmine LauLos Angeles, CA 900341881218543
  35. Karen Lau, BCBASacramento, CA 958271134649460
  36. Melinda LauSan Diego, CA 921231851891931
  37. Nathan Lau, BCBAGardena, CA 902491710499959
  38. Nickie LauTorrance, CA 905031346785805
  39. Sophie LauWestlake Village, CA 913611588337083
  40. Lindsay LaubacherSan Jose, CA 951221265276281
  41. Jana Lauer, MS, BCBAEncino, CA 913161083989123
  42. Nathaniel Laumer, RBTAlameda, CA 945011013718485
  43. Jesslyn Laureano, BCBAHuntington Beach, CA 926481740860402
  44. Starr LaurelOxnard, CA 930331093427361
  45. Samantha LauringSan Diego, CA 921101740869403
  46. Ariel LauterioWildomar, CA 925951043186364
  47. Kristen LautersSan Francisco, CA 941311609269471
  48. Megan Laval, M.S., BCBALos Angeles, CA 900341700382595
  49. Kyla LavalleFair Oaks, CA 956281740774074
  50. Malena Lavan, BCBA 1-20-42666Moreno Valley, CA 925571952951915

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.