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 389 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. Carla WaldenChino, CA 917101578817615
  2. Justin Waldman, BCBASan Diego, CA 921081760952139
  3. Stephanie Waldo, M.S., BCBARocklin, CA 957651215434238
  4. Jennifer WaldronSanta Maria, CA 934541609266113
  5. Natalie Waldron, M.A., BCBARiverbank, CA 953671043802770
  6. Dana WalduskyOrange, CA 928681295401420
  7. Lorane WalfallCompton, CA 902211558072330
  8. Trenton WalgenbachPomona, CA 917681821837857
  9. Brianna WalkerBakersfield, CA 933091932766805
  10. Bridgette Walker, M.A., BCBADowney, CA 902421881100105
  11. Daj'Sha WalkerFontana, CA 923361700538006
  12. Ebony WalkerOrangevale, CA 956621205390838
  13. Gloria Walker, BCBAFresno, CA 937201518408251
  14. Jade WalkerRancho Cucamonga, CA 917301235006271
  15. Jeremy WalkerMurrieta, CA 925631003373234
  16. Josephine WalkerAntioch, CA 945311497238703
  17. Kayla WalkerFresno, CA 937201497390751
  18. Krystine Walker, MS, BCBAStockton, CA 952071710457288
  19. Mallory Walker, BCBA, M.ED.San Jose, CA 951181033610993
  20. Shakisha Walker, M.S., BCBACovina, CA 917241295278232
  21. Tara WalkerAntioch, CA 945091285393272
  22. William WalkerWildomar, CA 925951447197041
  23. Taylor WallCosta Mesa, CA 926261306687983
  24. Theresa Wall, MS, BCBAPalmdale, CA 935511932740370
  25. Alicia Wallace, BCBAAtascadero, CA 934221841690625
  26. Camille Wallace, BCBA, LBASan Leandro, CA 945781336639012
  27. Dore Wallace, B.C.B.AEncino, CA 914361477894251
  28. Gaybriell Wallace, BCBASan Francisco, CA 941221184142705
  29. Jasen Wallace, BCBAConcord, CA 945191982182705
  30. Johnny WallaceGardena, CA 902481750021978
  31. Kayla Wallace, BCBACampbell, CA 950081568965671
  32. Shannon Wallace, BCBASan Diego, CA 921231730328840
  33. Karina WallerLong Beach, CA 908051245917426
  34. Julie Mae Wallingford, M.ED., BCBASan Jose, CA 951291114567179
  35. Charlena WallsRancho Cucamonga, CA 917301023973682
  36. Frances Walsh, BCBATorrance, CA 905021033508320
  37. Jacob Walsh, M.ED., BCBATrabuco Canyon, CA 926791528422359
  38. Stephanie WalshSacramento, CA 958151164924262
  39. Kristen Walstrom, M.A., BCBASalinas, CA 939011265734230
  40. Jessica WalterGardena, CA 902481417362179
  41. April WaltersPomona, CA 917661700147329
  42. Ashley WaltersCarlsbad, CA 920081649830233
  43. Grace WaltersSan Ramon, CA 945831447615703
  44. Wyatt WalthFairfield, CA 945331932818572
  45. Britney WaltonCosta Mesa, CA 926261629807995
  46. Kristine Walton, M.A., BCBAYuba City, CA 959911598423246
  47. Miranda WaltonVacaville, CA 956871760050561
  48. Heather WaltzSan Jose, CA 951281780965350
  49. Brandon WalzIrvine, CA 926141295205045
  50. Tiffany Wambua, BCBASanta Ana, CA 927051760833081

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.