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 323 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. Stephanie RuizLos Angeles, CA 900151245031830
  2. Stephanie RuizLos Angeles, CA 900341295387264
  3. Valerie Ruiz, BCBAVisalia, CA 932911245626514
  4. Veronica RuizSan Diego, CA 921081790377059
  5. Viridiana RuizNewark, CA 945601295587475
  6. Yesenia RuizSan Diego, CA 921011831812379
  7. Yosaira RuizBakersfield, CA 933071932962016
  8. Alondra Ruiz A.Santa Clara, CA 950541205338886
  9. Jonathan Ruiz CamposCarlsbad, CA 920081427637495
  10. Adidleny Ruiz CoronadoRancho Cucamonga, CA 917301083584544
  11. Daniel Ruiz Cota, BCBATemecula, CA 925921801498266
  12. Amanda Ruiz De La PenaMonrovia, CA 910161235601527
  13. Diana Ruiz DiazRiverbank, CA 953671962226803
  14. Mireya Ruiz GalvanGonzales, CA 939261750094793
  15. Selina Ruiz RodriguezHuntington Beach, CA 926491003730094
  16. Melissa Ruiz ZamoraSan Bernardino, CA 924071760259063
  17. Martha Ruiz Zepeda, M.S., BCBAOntario, CA 917641609354125
  18. Christian Ruiz-BetancourthEscondido, CA 920251104664267
  19. Leonardo Ruiz-Garcia, M.S.Encino, CA 913161598430761
  20. Carmen Ruiz-Ochoa, M.A., BCBACulver City, CA 902301669887857
  21. Scarlett RunkleSimi Valley, CA 930651841684420
  22. Jennica RunningGarden Grove, CA 928401033757299
  23. Bradley Runsick, MS, BCBALong Beach, CA 908031588065114
  24. Haley RunyanAnaheim, CA 928011871291971
  25. Caitlin Ruscki, MAAtascadero, CA 934221205557972
  26. Katie RusgroveSacramento, CA 958341780036020
  27. Amelia Rush, BCBARocklin, CA 957651619339694
  28. Kenya RushWoodland Hills, CA 913671326514795
  29. Quimese RushMurrieta, CA 925621023892874
  30. Savonah RushMenifee, CA 925871710610225
  31. Curtiana RusherLos Angeles, CA 900641073003034
  32. Romarre RushingFremont, CA 945361134800048
  33. Terry RushingWildomar, CA 925951639813728
  34. Sarah RushworthSan Francisco, CA 941231245734466
  35. Sean RusinVentura, CA 930031881552016
  36. Alicia RussellOakland, CA 946071104632660
  37. Danielle RussellFountain Valley, CA 927081013274372
  38. Jason Russell, PHD,DRBA, MLS,MBACoronado, CA 921181316735731
  39. Jonathan RussellGilroy, CA 950201093382194
  40. Shelby RussellSimi Valley, CA 930651356914345
  41. Brianna RussetteTemecula, CA 925901639837180
  42. Angela Russo, BCBAPomona, CA 917681053841858
  43. Krysta Russo, BCBAPorter Ranch, CA 913261811529860
  44. Susanne RussoCorona, CA 928811780979096
  45. Alia RustCosta Mesa, CA 926261457046773
  46. Scott Rustulka, MS, QASPSan Diego, CA 921281992160618
  47. Megan RuthchildEncino, CA 914361346589116
  48. Crystal RutherfordPasadena, CA 911071508406349
  49. Jessica RutherfordAlameda, CA 945011558826503
  50. Eileen RuvalcabaHemet, CA 925431205542123

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.