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 91 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. Paul Delgado, M.A., BCBATulare, CA 932741295130003
  2. Raegan Delgado, BCABAVentura, CA 930031013305416
  3. Sabrina DelgadoVallejo, CA 945901053939371
  4. Selena DelgadoSanta Rosa, CA 954011972088821
  5. Yesenia DelgadoGarden Grove, CA 928401144872540
  6. Mirna Delgado Andrez, BCBARancho Cucamonga, CA 917301629576566
  7. Selena Delgado CruzFolsom, CA 956301073151056
  8. Andrew Delgado-TietzeSanta Fe Springs, CA 906701982268827
  9. Neda DelgoshaPorter Ranch, CA 913261003575333
  10. Francesca Della MaggioreCosta Mesa, CA 926261922725506
  11. Jacqueline Dellepiane, MSConcord, CA 945201528783057
  12. Chris DeloachPalmdale, CA 935501366875916
  13. Suzanne DelongValencia, CA 913551962838847
  14. Marisella DelorenziSan Bruno, CA 940661790241941
  15. Glori Delorio, MA, BCBAPalmdale, CA 935501780082420
  16. Melissa DelossantosStockton, CA 952031104312800
  17. Tiara DelouthBakersfield, CA 933051861145419
  18. Carl Francis DelrosarioSan Ramon, CA 945831750734950
  19. Roseanne DelrosarioOakland, CA 946061932602869
  20. Brooks DeltonClovis, CA 936111326514498
  21. Mackenzie DelzeitRancho Cucamonga, CA 917301932867256
  22. Heaven DemannucciCosta Mesa, CA 926261891672655
  23. Hunter Demaray, BCBAOakland, CA 946091235620865
  24. Kaitlyn DemerjianCovina, CA 917241801648761
  25. Hayley DemerrittPalm Desert, CA 922601275032401
  26. Pavel DemidovRancho Cucamonga, CA 917301013465020
  27. Simon DemisiewSan Dimas, CA 917731730749185
  28. Denise Denevi, M.S. BCBAOakland, CA 946111114310950
  29. Kathleen Dengerink, M.A., BCBASan Diego, CA 921231538602404
  30. Cheyenne DenisonCorona, CA 928791821513326
  31. John Denizio, BCBAEureka, CA 955011477096261
  32. Razan DennawiSan Mateo, CA 944011932556628
  33. Yuleni DenniSan Diego, CA 921141548039639
  34. Emily Dennis, M.A., BCBAValencia, CA 913551316717382
  35. Javaris DennisWoodland Hills, CA 913671720438815
  36. Lashawna DennisLancaster, CA 935341942162649
  37. Brianna DennisonTwentynine Palms, CA 922771063278034
  38. Emily DennisonFresno, CA 937111336876986
  39. Ariel DennySan Marcos, CA 920781851836167
  40. Taylor DennyCosta Mesa, CA 926261467206557
  41. Lauren Denoia, LEP, BCBAPasadena, CA 911051184047201
  42. Danai DensonVacaville, CA 956871255978094
  43. Yaniece DentWoodland Hills, CA 913671851753750
  44. Ashley DepeazerMonrovia, CA 910161760997043
  45. Lisa Depiro, M.A., B.C.B.A.Valencia, CA 913551831464528
  46. Jordan DerainMurrieta, CA 925621003541749
  47. Melisa DerasSan Mateo, CA 944011912372608
  48. Kayla DerbySan Francisco, CA 941031922613983
  49. Ann Derentz, BCBAPleasanton, CA 945881891252003
  50. Samantha Derose, BCBAOrange, CA 928651144633827

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.