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 42 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. Marrissa RodriguezMonrovia, CA 910161356951925
  2. Mia RodriguezEl Centro, CA 922431760317564
  3. Yareni RodriguezWhittier, CA 906051912620493
  4. Priscilla Rodriguez Haros, M.AOntario, CA 917641801414990
  5. Nancy Rodriguez MartinezGardena, CA 902481447197306
  6. Natalia Rodriguez RuizHayward, CA 945451992557557
  7. Aaliyah Rogers-Mency JonesCanoga Park, CA 913031942072574
  8. Angela RojasLos Angeles, CA 900101730767765
  9. Jessica RojasImperial, CA 922511316716038
  10. Eric Rojas ArellanoFresno, CA 937021558141846
  11. Jazmin RojoBakersfield, CA 933071366266918
  12. Alexandra Roldan, BEHAVIOR CONSULTANTSacramento, CA 958641619593670
  13. Kelsey Rolens, RBAIDublin, CA 945681497305296
  14. Priscilla RomanCorona, CA 928791841720141
  15. Juanita RomanoWoodland Hills, CA 913641619434479
  16. Beatriz RomeroOntario, CA 917641952969156
  17. Jessica RomeroWoodland Hills, CA 913671689158529
  18. Marisol RomeroVan Nuys, CA 914051285511022
  19. Melanie RomeroOntario, CA 917611710518774
  20. Vanessa RomeroLos Angeles, CA 900431215707385
  21. Lesley Romero GarciaOntario, CA 917641376113985
  22. Aylin RomoEl Centro, CA 922431467234161
  23. Shane RonanSacramento, CA 958321508336041
  24. Sarah RonquilloManteca, CA 953361982531562
  25. Raylene RosaOntario, CA 917641124755509
  26. Terra RosaHughson, CA 953261801778295
  27. Jessyka RosadoTwentynine Palms, CA 922771851100754
  28. Alyssa Rosales, BALos Angeles, CA 900101790245967
  29. Fernando RosalesSoledad, CA 939601538006499
  30. Irene RosalesOntario, CA 917641447084504
  31. Kayle RosalesEl Centro, CA 922431083500045
  32. Susana RosalesEl Centro, CA 922431467393264
  33. Krystle RosarioSacramento, CA 958351083106082
  34. Cynthia RosasSoledad, CA 939601063100741
  35. Jay RoseAlameda, CA 945011225989429
  36. Sofia RosenblattLaguna Niguel, CA 926771235863176
  37. Imani RossElverta, CA 956261982443941
  38. Ella RothePlacentia, CA 928701104609429
  39. Rebecca RowSan Luis Obispo, CA 934051720857709
  40. Nathaniel RowlandVallejo, CA 945901093287070
  41. Cynthia RoyaltyYuba City, CA 959931457224115
  42. Hediyeh Royatvand GhiasvandSan Jose, CA 951341154215978
  43. Maya RuaneChula Vista, CA 919141619574076
  44. Jocelyn RuanoWasco, CA 932801154175867
  45. Brianna RubalcavaPomona, CA 917661376483545
  46. Ann RubioOntario, CA 917611821917840
  47. Natalie RubioLos Angeles, CA 900101194610998
  48. Lindsay Rucker, M.S.Ontario, CA 917641972110369
  49. Nancy RuelasWalnut Creek, CA 945981912470634
  50. Albert RuizFresno, CA 937201639744147

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.