NPPES file of Aug 9, 2026

Assistant Behavior Analyst in California

2,656 NPPES records list assistant behavior analyst with a practice address in California, 6.8 per 100,000 residents, the 2nd highest rate of 51. Ontario and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 35 of 54.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 106E00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Ontario has the most, 121

  1. Ontario121
  2. Los Angeles116
  3. San Diego111
  4. Sacramento110
  5. Corona78

Assistant Behavior Analyst records in California

  1. Chukwudi NnodimEmeryville, CA 946081932098530
  2. Emery NochezValencia, CA 913551740090752
  3. Victor Noh, MSInglewood, CA 903011225689714
  4. Bailey NorgrenIrvine, CA 926141295334324
  5. Samantha NoriegaSan Jose, CA 951341730076522
  6. Shirlene NorthernCitrus Heights, CA 956101235869322
  7. Tori NovakOntario, CA 917641104643964
  8. Yulia NovakFresno, CA 937101124996582
  9. Anita NovruzyanEncino, CA 914361518657188
  10. Nina NozziThousand Oaks, CA 913601326611534
  11. Savanna NugentMurrieta, CA 925621750004958
  12. Daphne NunezEl Centro, CA 922431578351706
  13. Jazmine NunezOrange, CA 928681558050864
  14. Norma NunezFresno, CA 937211760007231
  15. Rebecca NunezCalexico, CA 922311932980232
  16. Katherine Ocampo, BANapa, CA 945581992206296
  17. Ariadna OcegueraEl Centro, CA 922431871472522
  18. Juan OchoaLos Angeles, CA 900361770427973
  19. Sarah OchoaLos Angeles, CA 900101710779236
  20. Vanessa Ochoa, ASSISTANT BEHAVIORCalexico, CA 922311205521994
  21. Maria Josefina OgdocValencia, CA 913551831975424
  22. Jaylene OjedaImperial, CA 922511326722380
  23. Karen OjedaPetaluma, CA 949521396233326
  24. Okiemute OjigboSan Ramon, CA 945831114811312
  25. Kelly OkeefeLos Banos, CA 936351396444642
  26. Lisandro OletaWest Covina, CA 917901912565334
  27. Rosario OlivaresLancaster, CA 935341013788124
  28. Sara Olivas Gradias, QASP-SBarstow, CA 923111558983866
  29. Leesa OlsonPasadena, CA 911051871331330
  30. Emily OmaqueWalnut Creek, CA 945981184120180
  31. Guadalupe OntiverosElk Grove, CA 957581831947043
  32. Ashlynn OnzuresYucaipa, CA 923991972458925
  33. Omar OpeyanySacramento, CA 958251053163865
  34. Erin OrchidFair Oaks, CA 956281013492982
  35. Felix OrdonezModesto, CA 953501346192119
  36. Cindy OrellanaWhittier, CA 906051538051370
  37. Esmeralda Orellana, M.EDWalnut Creek, CA 945981972467181
  38. Ana OrnelasArcadia, CA 910061578107116
  39. Carolina OrnelasLos Angeles, CA 900361326997172
  40. Vanessa OrnelasThousand Oaks, CA 913601356022735
  41. Alyza OronaModesto, CA 953501013751478
  42. Maria OropezaMadera, CA 936371912400441
  43. Jesse Orosco-SantiagoClovis, CA 936111437641198
  44. Erika OrozcoOntario, CA 917641851013247
  45. Guillermina OrozcoSalinas, CA 939071124887153
  46. Kayla OrozcoSan Diego, CA 921231922894542
  47. Ofilia OrozcoCalexico, CA 922311922700814
  48. Valeria Orozpe GuzmanSacramento, CA 958321154132710
  49. Andrea Orta EsquivelCorona, CA 928791891679049
  50. Ana OrtegaOrange, CA 928681538625140

Source: CMS NPPES, primary taxonomy 106E00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 2 of 51 per resident

  1. Florida10.2
  2. California6.8
  3. Oklahoma6.7
  4. South Carolina4.9
  5. 50 states and D.C.2.9

Source: CMS NPPES, primary taxonomy 106E00000X 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%

Assistant Behavior Analyst records in California, measured

  • In a Medicare file1 of 2,656 · under 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, under 0.1% nationally
  • Not updated in five years or more750 · 28.2% here, 26.4% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 106E00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

2,656 NPPES records list assistant behavior analyst (106E00000X) as their primary taxonomy with a practice address in California: 6.8 per 100,000 residents against 2.9 nationally (50 states and D.C.). Ontario has 121 of them (5%).

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. Florida2,306
  2. Texas414
  3. New York334
  4. Michigan316

States with a similar rate per 100,000

  1. Oklahoma6.7
  2. South Carolina4.9
  3. Kansas4.3
  4. Nevada4.1

The largest states

  1. Florida2,306
  2. Texas414
  3. New York334
  4. Michigan316
  5. Virginia275

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.