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 130 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. Patricia Gaytan, MABakersfield, CA 933091245967892
  2. Leonor Gaytan NunezPalm Desert, CA 922601477163913
  3. Jacqueline Gaytan-SanchezSunnyvale, CA 940851326584343
  4. Hannah GazauiThousand Oaks, CA 913601588953012
  5. Rooha GealaniWoodland, CA 956951699320317
  6. Nicole GeckelerEscondido, CA 920251609318823
  7. Douglas GeeOakland, CA 946061033612452
  8. Jacob Gee, MS, BCBATorrance, CA 905051164880365
  9. Joey GeeWalnut Creek, CA 945981760950877
  10. Michelle Geering, BCBAAlameda, CA 945011811261407
  11. Danielle GeiermanFair Oaks, CA 956281700353778
  12. Ryan GellerRocklin, CA 957651164938668
  13. Madeline GelmettiEncinitas, CA 920241245078286
  14. Fatima GelvezonLong Beach, CA 908071801394168
  15. Silvia GelvinCarlsbad, CA 920081407480668
  16. Nicole Gend, PSYDCastaic, CA 913841497204697
  17. Elizabeth Gendron, MATMission Viejo, CA 926911295397578
  18. Tracy GenglerAliso Viejo, CA 926561831849165
  19. Nichole GentileSan Ramon, CA 945831518332469
  20. Riahlyn GentilezoEl Segundo, CA 902451942128020
  21. Rachel GentillonConcord, CA 945201609447523
  22. Madison Gentilly, BCBAHanford, CA 932301447016720
  23. Charmin Rose Gentry, BCBASan Diego, CA 921081194248773
  24. Kyli GentrySan Diego, CA 921081891666160
  25. Tanya GentryOakland, CA 946061174028880
  26. Allison GeorgeSan Diego, CA 921211265885669
  27. Aylisa George, BCBATemecula, CA 925901316456916
  28. Madison GeorgeHollister, CA 950231790247419
  29. Marie GeorgeSan Mateo, CA 944011235586132
  30. Nancy GeorgeRiverside, CA 925061386402220
  31. Taylorae GeorgeRocklin, CA 957651164902714
  32. Julia GerardiYucaipa, CA 923991306706940
  33. Amy GergisSan Jose, CA 951341619795937
  34. Jasmine GergisEncino, CA 914361124406723
  35. Sierra GergusOakland, CA 946061295239499
  36. Trinity GermanRancho Cucamonga, CA 917301053244814
  37. Kathryn Germer, M.ED., BCBABerkeley, CA 947101437508835
  38. Katelyn GermonoCastro Valley, CA 945461194546366
  39. Justine Gersberg, BCBA, MASan Diego, CA 921261760020317
  40. Sara Gershfeld, BCBALos Angeles, CA 900481497047559
  41. Emily Gershon, BA, BCBASan Mateo, CA 944021922497403
  42. Alayna GerstelSacramento, CA 958151538852926
  43. Malerie GestChula Vista, CA 919101821461815
  44. Marrianna GettenOrange, CA 928681609591718
  45. Irene GhandourPomona, CA 917661326686759
  46. Krysten Ghanie, BCBAOxnard, CA 930351588021505
  47. Elliot GhanooniLos Angeles, CA 900481720837636
  48. Bahram GharachamaniVan Nuys, CA 914061689877318
  49. Sepehr GharaeiSan Diego, CA 921081528903853
  50. Lusineh GharapetianSan Gabriel, CA 917751568737260

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.