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 148 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. Alexander Guy, BCBASanta Maria, CA 934551316510662
  2. Latoyia Guy, MA, BCBAParamount, CA 907231053607440
  3. Sophie Guymon, BASan Mateo, CA 944011841005253
  4. Alejandro GuzmanSouth San Francisco, CA 940801730656885
  5. Amber GuzmanDana Point, CA 926291386108967
  6. Angela GuzmanPorter Ranch, CA 913261972458834
  7. Anthony GuzmanIndio, CA 922011982491379
  8. Arely GuzmanConcord, CA 945201356196075
  9. Daniela GuzmanHercules, CA 945471174909238
  10. Delilah GuzmanVacaville, CA 956871295227973
  11. Dolores GuzmanMonrovia, CA 910161386171262
  12. Elizabeth GuzmanDowney, CA 902401285558502
  13. Georgina GuzmanCosta Mesa, CA 926261811692635
  14. Gloria Maris GuzmanBurbank, CA 915061942037106
  15. Gris GuzmanChula Vista, CA 919111811861370
  16. Guadalupe GuzmanBrentwood, CA 945131053897454
  17. Juan GuzmanSanta Ana, CA 927051164722369
  18. Juana GuzmanFullerton, CA 928321346969763
  19. Larissa GuzmanCosta Mesa, CA 926261477362796
  20. Leslie GuzmanGlendale, CA 912041598337131
  21. Leslie GuzmanHesperia, CA 923451649881467
  22. Lizzett Guzman, BCBALancaster, CA 935341700470465
  23. Luis GuzmanCovina, CA 917241811883705
  24. Lydia GuzmanYucaipa, CA 923991669267894
  25. Monica Guzman, BAOakland, CA 946101609306893
  26. Nancy GuzmanVan Nuys, CA 914061316700917
  27. Nicolas Guzman, BCBAEncino, CA 913161497399950
  28. Perla GuzmanCosta Mesa, CA 926261629811054
  29. Rodolfo Guzman, BCBACamarillo, CA 930101902541923
  30. Rosanna GuzmanVisalia, CA 932771386122158
  31. Samantha GuzmanWhittier, CA 906011518704287
  32. Savannah GuzmanFremont, CA 945381881386050
  33. Shadi GuzmanOntario, CA 917641154905586
  34. Sofia GuzmanRancho Cucamonga, CA 917301427926229
  35. Stephanie GuzmanStudio City, CA 916041356774707
  36. Valeria GuzmanEl Segundo, CA 902451093634685
  37. Adelita Guzman DuranSan Diego, CA 921081316876121
  38. Fabian Guzman GalvezCosta Mesa, CA 926261770268922
  39. Elmer Guzman Morfin, BCBAMonterey, CA 939401316657448
  40. Jacquelyn Guzman RodriguezBell Gardens, CA 902011093055832
  41. Steven Guzowski, BCBAIrvine, CA 926141972010700
  42. Gustavo GuzzettiValencia, CA 913551861826984
  43. Nicholas GwerderTracy, CA 953771710408513
  44. Sheila GwinSouth Lake Tahoe, CA 961501245663194
  45. Kristine GyamfiRiverside, CA 925061962043307
  46. Ani GyulamjyanTarzana, CA 913561609521541
  47. Ada HaSacramento, CA 958251003404260
  48. Brandon Ha, BCBARancho Cucamonga, CA 917301417416769
  49. Eric Ha, M.A., BCBAIrvine, CA 926141376075093
  50. Eric HaCosta Mesa, CA 926261326815788

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.