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 308 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. Joel Richardson, BCBASan Diego, CA 921231245746262
  2. Kayla RichardsonSan Dimas, CA 917731417628272
  3. Patricia RichardsonSan Diego, CA 921081689013799
  4. Samantha RichardsonThousand Oaks, CA 913601902500887
  5. Serena Richardson, MA, BCBAOakland, CA 946101376182717
  6. Stephanie RichardsonVan Nuys, CA 914061356686455
  7. Aya Riched, BCBAAnaheim, CA 928041295207397
  8. Benjamin RichedaOakland, CA 946181639878978
  9. Sarah Richen, RBTSan Diego, CA 921081518323211
  10. Zachary Richert, BAThousand Oaks, CA 913601306110010
  11. Anshu Richhariya, MS AND BCBASan Jose, CA 951191740062470
  12. Carly RichieSan Diego, CA 921081609728112
  13. Barbara RichmondSan Jose, CA 951241467286377
  14. Courtney RichmondSan Diego, CA 921281033611926
  15. Jennifer Richmond, BCBAFresno, CA 937051255697991
  16. Katelynn RichmondCosta Mesa, CA 926261851880249
  17. Lauren RichmondSacramento, CA 958411437926490
  18. Taleen RichmondBurbank, CA 915041427650894
  19. Krystal RichterTemecula, CA 925901629628318
  20. Kaiden RickseckerOntario, CA 917641922788355
  21. Alondra RicoSan Bernardino, CA 924081649838558
  22. Cynthia Rico, BCBAWhittier, CA 906051477171924
  23. Maria RicoOakland, CA 946061275037475
  24. Annette RicoyDowney, CA 902421164048351
  25. Ashley RiderHollister, CA 950231477030898
  26. Nicole RiderMadera, CA 936371306330758
  27. Terace RiedyOakland, CA 946191134932031
  28. Weston Rieland, MA, BCBAModesto, CA 953541194012419
  29. Alexis RiemanWoodland Hills, CA 913671326516493
  30. Dana RiemerConcord, CA 945201154838712
  31. Julia Rifa, MA, BCBATorrance, CA 905031215179460
  32. Lillian Rife, M.ED., BCBASan Ramon, CA 945831033711650
  33. Eric RigbyCosta Mesa, CA 926261528884053
  34. Susan Riggs, MA, MFT, BCBAStockton, CA 952101487945762
  35. Amber Rigney, BCBAMonrovia, CA 910161205265782
  36. Monica RigorSan Jose, CA 951121134635220
  37. Monea RileyFremont, CA 945381184274441
  38. Nicholas Riley, EDS, BCBASanta Ana, CA 927051790347656
  39. Andrew Rillera, BAThousand Oaks, CA 913601811261696
  40. Karianne Rillera, BAThousand Oaks, CA 913601649543158
  41. Lara RimassaFresno, CA 937111578223574
  42. Eva Rincon, BCBASanta Ana, CA 927031912384132
  43. Katelyn RinconCosta Mesa, CA 926261023997491
  44. Vanessa Rincon FloresWildomar, CA 925951295616043
  45. Katherine RindfleischSanta Clara, CA 950501649761818
  46. Scott Rinehart, M.A., B.C.B.A.Fullerton, CA 928321245662121
  47. Emma RingSan Diego, CA 921231265026066
  48. Erin Ring, PH.D., BCBA-DSan Diego, CA 921081720318702
  49. Natalie Ring, BCBAValencia, CA 913551801359476
  50. April Ringer, M.A., BCBACampbell, CA 950081942645254

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.