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 320 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. Stephanie RosalesRiverside, CA 925041518255009
  2. Yulissa RosalesWoodland Hills, CA 913671982309043
  3. Crystal Rosales AguilarSan Marcos, CA 920781942709621
  4. Liz Haylin Rosales GutierrezSan Diego, CA 921081952270050
  5. Lesly Rosales HernandezSherman Oaks, CA 914031982310850
  6. Karli RosarioMonrovia, CA 910161538915061
  7. Nadine RosarioSan Diego, CA 921211588156814
  8. Narce RosarioCosta Mesa, CA 926261669203014
  9. Astrid Rosas, BCBASherman Oaks, CA 914031114571924
  10. Eduardo Angel RosasSan Ramon, CA 945831770086092
  11. Erica Rosas, BCBAConcord, CA 945201578979076
  12. Francisco RosasCosta Mesa, CA 926261114810264
  13. Gisselle RosasSoledad, CA 939601376485243
  14. Jeremy RosasVisalia, CA 932771093203325
  15. Jose RosasPiedmont, CA 946101942730130
  16. Richard RosasBrawley, CA 922271255083119
  17. Leticia Rosas VeraNewark, CA 945601922509934
  18. Addison RoseTemecula, CA 925911275142523
  19. Emily RoseDublin, CA 945681043929391
  20. James RoseGardena, CA 902481326999376
  21. Rosalie RoseSan Diego, CA 921231548752769
  22. Sheila RoseSan Francisco, CA 941141588113146
  23. Tyler RoseOntario, CA 917641699508515
  24. Matthew RosenWalnut Creek, CA 945961457139578
  25. Marc Rosenberg, BCBA, MFTISan Clemente, CA 926731427454636
  26. Gwynivere Rosenberg HookCosta Mesa, CA 926261952112047
  27. Rachel RosenbergerPalm Desert, CA 922601699319137
  28. Heidi RosenfieldOrange, CA 928681295277713
  29. Deeyana RoshanzaerIrvine, CA 926181245915461
  30. Chantel RosilloModesto, CA 953501831032333
  31. Alejandra RossLa Mesa, CA 919421003524414
  32. Anneliza RossElk Grove, CA 957581740607027
  33. Breona RossBakersfield, CA 933141699602722
  34. Erin RossSanta Clara, CA 950501871079889
  35. Jaimese RossSanta Clara, CA 950501992261499
  36. Jamie Ross, BCBASanta Barbara, CA 931101720445778
  37. Leslie Ross, BARiverside, CA 925031215593512
  38. Michelle Ross, BCBASan Diego, CA 921311215462098
  39. Stephanie RossGoleta, CA 931171952656365
  40. Tyler RossOrange, CA 928681003314691
  41. Cynthia Ross-Owens, MS, BCBAModesto, CA 953541780978239
  42. Sarah Rosseno, MARancho Cucamonga, CA 917301154849271
  43. Corrin Rossi, BAThousand Oaks, CA 913601346513850
  44. Lindsey Rossi, HIGH SCHOOL DIPLOMAWalnut Creek, CA 945961063771954
  45. Lauren RossieCosta Mesa, CA 926261174403174
  46. Gina RossowVallejo, CA 945901679939060
  47. Sabrina Rostamo, MA, BCBASanta Clarita, CA 913551336414994
  48. Raymart RotaGilroy, CA 950201366927238
  49. Jane RothPacific Palisades, CA 902721871039990
  50. Jessica RothMurrieta, CA 925621285136937

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.