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 406 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. Melanie ZarzosaLos Angeles, CA 900641104389527
  2. Annette Zatarain, BCBASan Diego, CA 921231528426012
  3. Griseth Zatarain, M.ED, BCBASan Diego, CA 921111508344854
  4. Alexis Zavala, BCBAWalnut Creek, CA 945971639911878
  5. Anais ZavalaLong Beach, CA 908051376949537
  6. Anissa ZavalaMonterey, CA 939401053880641
  7. Beatriz ZavalaCosta Mesa, CA 926261629826052
  8. Carolina Zavala, M.ED. BCBAEl Centro, CA 922431871944751
  9. Luis ZavalaSacramento, CA 958261730659160
  10. Juan Zavala OrtizSan Gabriel, CA 917761912653544
  11. Maria Zavala RodriguezSan Diego, CA 921231255016499
  12. Jennifer Zavala-Briseno, BCBATurlock, CA 953821033883293
  13. Leslie ZavaletaFullerton, CA 928321912640806
  14. Nicole ZawoyskyConcord, CA 945201558862839
  15. Shielah ZazayAntioch, CA 945091275170672
  16. Milagros ZeaRoseville, CA 956781407377989
  17. Blanca Zea Kramer, M.S.Walnut Creek, CA 945961932401577
  18. Talajah ZeddHayward, CA 945451003407198
  19. Gabrielle ZegarraYucaipa, CA 923991386435725
  20. Huda ZeidanCorona, CA 928791609609874
  21. Ashley ZeigerConcord, CA 945201174029367
  22. Jacquline ZeillerRedwood City, CA 940631003356478
  23. Abigail Zelaya, MA, BCBAFullerton, CA 928321467911818
  24. Jacqueline ZelayaEncino, CA 914361689046963
  25. Louise ZellmerRiverbank, CA 953671699245332
  26. Michele ZelnickThousand Oaks, CA 913601184187866
  27. Jordan ZemetraThousand Oaks, CA 913601982384087
  28. Alexis ZepedaClovis, CA 936111942808613
  29. Amber ZepedaRancho Cucamonga, CA 917301891629796
  30. Ashley ZepedaLos Angeles, CA 900151285490367
  31. Jennifer ZepedaVictorville, CA 923921760909089
  32. Julie ZepedaGarden Grove, CA 928401679435630
  33. Savannah ZepedaSanta Maria, CA 934551528881422
  34. Zulema Zermeno, BEHAVIORAL THERAPISTTarzana, CA 913561205565850
  35. Chandra ZernIrvine, CA 926061326117789
  36. Jerrod Zertuche, BCBAMountain View, CA 940411952752024
  37. Jennifer ZetinaOntario, CA 917641588318950
  38. Rachel Zetino, M.S., BCBAIrvine, CA 926141760748719
  39. Magaly Zetino Reyes, BCBACalabasas, CA 913021235740077
  40. Christine Zeyen, MS, BCBAAlameda, CA 945011346742483
  41. Edward ZhangRancho Cucamonga, CA 917301649135161
  42. Evan ZhangSanta Clara, CA 950501194283937
  43. Irene ZhangCity Industry, CA 917481396088845
  44. Jingwen ZhangLong Beach, CA 908071356971014
  45. Muyu ZhangGardena, CA 902481093464414
  46. Xiaofan ZhangIrvine, CA 926141306495270
  47. Wei ZhaoUpland, CA 917861972302800
  48. Zhen ZhaoSan Francisco, CA 941021912356015
  49. Zhudong Zhao, BCBAWest Covina, CA 917901629782255
  50. Zixuan ZhaoRedlands, CA 923731174067086

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.