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 309 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. Githa RingeringOntario, CA 917641093392144
  2. Christina Rinker, BCBASan Francisco, CA 941161083986046
  3. Ahilen RiosAnaheim, CA 928041649715855
  4. Alondra RiosHayward, CA 945411578026043
  5. Aneliz RiosCosta Mesa, CA 926261558002543
  6. Daniel RiosCosta Mesa, CA 926261952168585
  7. Denise RiosCathedral City, CA 922341073363149
  8. Desiree RiosLemon Grove, CA 919451841159662
  9. Diana RiosCosta Mesa, CA 926261508545674
  10. Francisco RiosFontana, CA 923361063129294
  11. Jaime RiosNorthridge, CA 913241376194902
  12. Jasmine Rios, BCBAKerman, CA 936301558862714
  13. Jose Rios, MATujunga, CA 910421124584602
  14. Jose Rios, BCBAOxnard, CA 930351417219767
  15. Nayelle RiosConcord, CA 945201447727557
  16. Raquel RiosOakland, CA 946061801385000
  17. Reyna RiosLos Angeles, CA 900431831085737
  18. Samantha RiosSan Francisco, CA 941121851936447
  19. Yesenia RiosConcord, CA 945201588499610
  20. Celena Rios MartinezEl Dorado Hills, CA 957621992343560
  21. Carolina Rios Ochoa, BCBATarzana, CA 913561275165169
  22. Natalie Rioux-Tamayo, MA/BCBAValencia, CA 913551962794057
  23. Caitlin RipleyOntario, CA 917641912450883
  24. Jennifer Ripley, M.S BCBAOakland, CA 946021750829388
  25. Mikkaila RippaSacramento, CA 958161255014346
  26. Claudia RiquelmeLaguna Hills, CA 926561023436797
  27. Monica Riskevich, BCBA, LBALos Angeles, CA 900101780569954
  28. Jessica Rismiller, BCBAArcata, CA 955211104577733
  29. Paige Ritari, BCBAOrcutt, CA 934551902355308
  30. Autumn RitcheyGarden Grove, CA 928401760040620
  31. Jenna RitchieIrvine, CA 926181598490484
  32. Robert Ritchie, MA, BCBAStockton, CA 952071619447851
  33. Chelsea Ritz, MSHemet, CA 925451093232571
  34. Nicole Rivadeneyra, BEHAVIOR ANALYSTSanta Ana, CA 927051366049835
  35. Nicole RivaltaModesto, CA 953541164925749
  36. Jordan RivardGardena, CA 902481669135364
  37. Adriana Rivas, BCBAOntario, CA 917641720606775
  38. Ashley RivasWhittier, CA 906051740155423
  39. Brianna RivasMadera, CA 936381033603642
  40. Eden RivasWildomar, CA 925951942173554
  41. Elizet RivasPorterville, CA 932571609797919
  42. Ethan RivasCosta Mesa, CA 926261245039445
  43. Iris RivasSalinas, CA 939061659747913
  44. Janine RivasHayward, CA 945411962978395
  45. Karen RivasPasadena, CA 911061285240408
  46. Lilian Rivas, BCBA, MSLake Balboa, CA 914061740933274
  47. Lizett RivasFullerton, CA 928321942745674
  48. Lucia RivasSan Leandro, CA 945771326696691
  49. Melissa Rivas, BA/ BCATGlendale, CA 912031083436729
  50. Melissa RivasSan Jose, CA 951341194062281

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.