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 88 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. Vanessa De La RosaPetaluma, CA 949541487332565
  2. Maria De La Rosa Torres, BCBARialto, CA 923761407604713
  3. Ana De La SanchaCosta Mesa, CA 926261376367524
  4. Cynthia De La TorreCastro Valley, CA 945461386138527
  5. Diana De La TorreSherman Oaks, CA 914031992232672
  6. Emmanuel De La TorreCosta Mesa, CA 926261104687144
  7. Jessica De La TorreRiverside, CA 925011942641824
  8. Alejandra De La Torre-AguirreWatsonville, CA 950761639652969
  9. Ana De LeonSan Gabriel, CA 917761174251805
  10. Martha De LeonValencia, CA 913551225539117
  11. Melina De Leon, M.A. BCBAManhattan Beach, CA 902661720435159
  12. Tatianaraquel De LeonTemecula, CA 925901578112801
  13. Thalia De Leon, BCBAGardena, CA 902481780546853
  14. Victor De Leon, MS, BCBAAzusa, CA 917021043562788
  15. Victor De LeonRancho Cucamonga, CA 917301669982815
  16. Malachi De Leon-LopezChula Vista, CA 919111134892896
  17. Rosa De Los AngelesWildomar, CA 925951225905268
  18. Adam De Los Santos, BCBAWalnut Creek, CA 945971104329531
  19. Alexandra De Los SantosRancho Cucamonga, CA 917301629963129
  20. Robert De Los SantosLa Quinta, CA 922531548721491
  21. Linda De MoreyOntario, CA 917611740777424
  22. Carina De PazSan Mateo, CA 944011013893874
  23. Belen De Santiago, BACosta Mesa, CA 926261942844980
  24. Brittany De SantiagoWoodland Hills, CA 913671801456066
  25. Emily De SantiagoCosta Mesa, CA 926261629798863
  26. Chelsea De Silva, BCBAOntario, CA 917611952660961
  27. Melissa De SilvaHesperia, CA 923441891212353
  28. Ana Paula De Souza OrthLa Quinta, CA 922531831847136
  29. Joann De VirgilioValley Village, CA 916071619442720
  30. Katrina De YoungNapa, CA 945581972246288
  31. Megan DeaVictorville, CA 923921205223187
  32. Marissa DeadmondModesto, CA 953501235669904
  33. Crystal DeaguerosGlendale, CA 912141962151886
  34. Autumn Deal, MAFairfield, CA 945331851413496
  35. Mika DeanSuisun City, CA 945851639523459
  36. Noah DeanCosta Mesa, CA 926261033920046
  37. Brianna Dean-SysumElk Grove, CA 956241639764137
  38. Nancy DeandaMadera, CA 936371538668579
  39. Hilary Dearth, M.A., BCBAIrvine, CA 926141659733897
  40. Cameisha DearySacramento, CA 958211710782412
  41. Charsauna Deas LewisEl Segundo, CA 902451184542904
  42. Chelsea DeatonCosta Mesa, CA 926261083365498
  43. Patrick DebbsSacramento, CA 958231477977981
  44. Thomas DecarliArcata, CA 955211699500652
  45. Danielle Decastro-KnutsonTorrance, CA 905031184393019
  46. Teena DecaySan Mateo, CA 944011952768046
  47. Krizzley DecenaAlameda, CA 945011558826057
  48. Daniel DechiSan Francisco, CA 941121538031695
  49. Savannah DeclercqSan Diego, CA 921211326712126
  50. Mellissa DeconzaSanta Clarita, CA 913871972852598

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.

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.