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 310 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. Monica Rivas, BCBASacramento, CA 958111841800760
  2. Nathalie RivasWhittier, CA 906051629721675
  3. Samantha RivasIrvine, CA 926061760056683
  4. Vanessa RivasSanta Clara, CA 950501699245316
  5. Yesenia RivasVan Nuys, CA 914061033677273
  6. Lindsy Rivas-ReyesMonrovia, CA 910161053882902
  7. Naomi Rivas-RiosStockton, CA 952191629545298
  8. Allen RiveraCosta Mesa, CA 926261053007385
  9. Andrea RiveraRedlands, CA 923731962911461
  10. Andrew RiveraCosta Mesa, CA 926261528945938
  11. Angelina RiveraIrvine, CA 926061952818643
  12. Angelina RiveraBakersfield, CA 933131497254205
  13. Angelique RiveraLos Angeles, CA 900361427726884
  14. Anna Rivera, BCBARiverside, CA 925071013468453
  15. Arianna RiveraCosta Mesa, CA 926261467345421
  16. Ashley RiveraRancho Cucamonga, CA 917301730059296
  17. Ashly RiveraCosta Mesa, CA 926261700686367
  18. Brenda RiveraCosta Mesa, CA 926261356220420
  19. Crystal Rivera, MAPlacentia, CA 928701821806191
  20. Cynthia Rivera, MSSan Diego, CA 921021376270223
  21. Daniel Rivera, MS, BCBAGarden Grove, CA 928401467913244
  22. Danielle Rivera, BCBACamarillo, CA 930101033627484
  23. Darwin RiveraRohnert Park, CA 949281841094117
  24. Eliseo RiveraLos Angeles, CA 900151467385971
  25. Elizabeth RiveraSherman Oaks, CA 914231346923398
  26. Elizabeth RiveraAlameda, CA 945011326505421
  27. Erick RiveraAlameda, CA 945011396176806
  28. Jennifer Rivera, M.S., BCBACorona, CA 928791932779089
  29. Jesus RiveraSacramento, CA 958251861924714
  30. Jocelyn RiveraCosta Mesa, CA 926261689495160
  31. Karlana RiveraBrentwood, CA 945131053779694
  32. Katelyn RiveraIrvine, CA 926181881263663
  33. Kathryn Rivera, M.S., B.C.B.A.Arcata, CA 955211851802672
  34. Kimberly Rivera, BCBAModesto, CA 953541093388027
  35. Kristen RiveraSherman Oaks, CA 914031841952819
  36. Ma Angela Rica Mae Rivera, BCBAOakland, CA 946121073098299
  37. Mariah RiveraWhittier, CA 906051831881515
  38. Mariana RiveraSanta Cruz, CA 950621396343778
  39. Mario RiveraOntario, CA 917641508258807
  40. Martha Rivera, BCBATujunga, CA 910421467129965
  41. Melba Rivera, M.S. ED., BCBAOntario, CA 917611255722732
  42. Milton RiveraHayward, CA 945441366248882
  43. Natalie RiveraCosta Mesa, CA 926261801579354
  44. Neiva RiveraRancho Cucamonga, CA 917301417615550
  45. Rayleena RiveraCovina, CA 917241952011058
  46. Riki RiveraRancho Cucamonga, CA 917301942176862
  47. Senaida RiveraBloomington, CA 923161164242152
  48. Valerie RiveraCorona, CA 928791407674088
  49. Veronica RiveraSan Mateo, CA 944011740645134
  50. Veronica RiveraSan Ramon, CA 945831285189001

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.