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 210 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. Katarina LontocOakland, CA 946061699278242
  2. Pius LooDaly City, CA 940151821964826
  3. Jennifer LoomisCorona, CA 928791508425315
  4. Jocelyn Loong, BCBAWhittier, CA 906061477905487
  5. Sarah LoperGardena, CA 902481053950840
  6. Aaron LopezRocklin, CA 956771558988147
  7. Abigail LopezCosta Mesa, CA 926261598414112
  8. Abigail LopezMadera, CA 936371265025944
  9. Adriana LopezBerkeley, CA 947041750739751
  10. Alejandra LopezPalmdale, CA 935501487300422
  11. Alexa LopezValencia, CA 913551861293508
  12. Alexandra LopezGardena, CA 902481518736321
  13. Alithza Lopez, MA, BCBAModesto, CA 953581184194805
  14. Allison LopezGrover Beach, CA 934331639716079
  15. Amanda LopezLong Beach, CA 908151356113229
  16. Amanda LopezMonterey Park, CA 917541114782158
  17. Amanda LopezOakland, CA 946061073018883
  18. Amy Lopez, MBASanta Barbara, CA 931101891933099
  19. Ana Lopez, BAWestlake Village, CA 913621063923241
  20. Anastasia LopezRialto, CA 923761487377990
  21. Andrea LopezSherman Oaks, CA 914031861147498
  22. Andrea LopezCosta Mesa, CA 926261083496376
  23. Andrew LopezOntario, CA 917611770374928
  24. Angela LopezSacramento, CA 958261033825286
  25. Angelica LopezAliso Viejo, CA 926561477336071
  26. Anna Lopez, BALos Angeles, CA 900011558821355
  27. Antonio LopezFallbrook, CA 920281861170052
  28. Areli LopezSanta Clara, CA 950501164995460
  29. Arely LopezGarden Grove, CA 928401740812023
  30. Arley LopezWest Covina, CA 917901558948935
  31. Armando LopezModesto, CA 953581023519303
  32. Baylee LopezTemecula, CA 925921720666910
  33. Benjamin LopezLong Beach, CA 908151811761521
  34. Brandi Lopez, MS, BCBALos Angeles, CA 900431659922995
  35. Brian LopezCarmichael, CA 956081497481758
  36. Briseida LopezLancaster, CA 935341750024097
  37. Brittany LopezRancho Cucamonga, CA 917301588501092
  38. Brooke LopezWildomar, CA 925951265313779
  39. Carlos LopezOntario, CA 917641336692128
  40. Carmen LopezSalinas, CA 939061225614886
  41. Carmina LopezSan Diego, CA 921231992586515
  42. Cecilia LopezLong Beach, CA 908071528649308
  43. Celina Lopez, BCBAVan Nuys, CA 914061891051504
  44. Claudia LopezSan Mateo, CA 944011700324175
  45. Cory Lopez, M.S., BCBASacramento, CA 958641790408250
  46. Cynthia LopezWoodland Hills, CA 913671770176703
  47. Cynthia LopezCorona, CA 928791144060781
  48. Darien LopezAlameda, CA 945011215483243
  49. Dayanne LopezSan Marcos, CA 920781184250698
  50. Delinah LopezFairfield, CA 945331134603517

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.