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 391 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. Malerie WashSan Diego, CA 921011801557616
  2. Ahmed WashikNorthridge, CA 913241629552898
  3. Alexzandria Washington, M.S., BCBATarzana, CA 913561891165452
  4. Ashley WashingtonRiverside, CA 925031396515029
  5. Ayanna WashingtonChula Vista, CA 919111184588287
  6. Jazmin WashingtonBay Point, CA 945651669024725
  7. Lygeia WashingtonSan Mateo, CA 944021831731322
  8. Raeanna WashingtonChula Vista, CA 919101528565611
  9. Kayana Washington WilliamsSacramento, CA 958161811580202
  10. O'Brien WasomeCastro Valley, CA 945461700741451
  11. Marina Wassef, MAIrvine, CA 926061609682053
  12. Brianna Waterbury, BCBACorona, CA 928821043585631
  13. Angelina Waterman, M.A., BCBASan Diego, CA 921081568838357
  14. Granite WatermanVentura, CA 930031174471148
  15. Brook WatersOakland, CA 946061275025751
  16. Chanti Waters, BCBALompoc, CA 934361275877698
  17. Latasha WatersConcord, CA 945201215717665
  18. Angela WatkinsAlameda, CA 945011790286037
  19. Ashley WatkinsModesto, CA 953541639672066
  20. Cerenity WatkinsWest Covina, CA 917921083404222
  21. Krystal Watkins, BCBAEncino, CA 914361093206401
  22. Lindsay WatkinsSan Francisco, CA 941041437645389
  23. Sandra Watkins, M.A., BCBASan Mateo, CA 944021831547132
  24. Amy WatsonSanta Fe Springs, CA 906701528714383
  25. Aniesa WatsonSan Leandro, CA 945781679022826
  26. Michele Watson, BCBASan Diego, CA 921231558634881
  27. Sarah WatsonOntario, CA 917641235582651
  28. Stefany Watson, M.A., BCBANewhall, CA 913211073920591
  29. Stephen Watson, BCBAMarina, CA 939331760191498
  30. Tiffany WatsonBakersfield, CA 933131093362360
  31. Erin WattVista, CA 920831942719695
  32. Michele WattersIrvine, CA 926141255106050
  33. Lydia Wattigny, MA, BCBAConcord, CA 945191770059206
  34. Johnnie WattsBakersfield, CA 933121609330752
  35. Brittney WayIrvine, CA 926061306238084
  36. Megan Wayman, MED, BCBAOntario, CA 917641245824028
  37. Elyas WaziriFremont, CA 945381720542889
  38. Camden WeaverEl Segundo, CA 902451457270001
  39. Barbara WebbTemecula, CA 925911245994383
  40. Claire WebbThousand Oaks, CA 913601538811278
  41. Gabriela Webb, M.S., BCBA, LBANapa, CA 945581245906205
  42. Jenna WebbGardena, CA 902481215637996
  43. Keyana WebbPoway, CA 920641598368458
  44. Kristin Webb, BCBASan Luis Obispo, CA 934051609388859
  45. Mary WebbFountain Valley, CA 927081821342460
  46. Victoria WebbSanta Ana, CA 927041629668611
  47. Lindsey Webber, BCBAYuba City, CA 959911326545666
  48. Alanna WeberPleasanton, CA 945881386126019
  49. Michaela Weber, B.SSacramento, CA 958161134638067
  50. Zachary WeberGrover Beach, CA 934331316523962

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.