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 202 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. Lawrence LeeCypress, CA 906301184215493
  2. Lindsay Lee, BCBAGarden Grove, CA 928401356712996
  3. Madeline LeeSan Mateo, CA 944011922527688
  4. Maiyia LeeFresno, CA 937221679075170
  5. Mena LeeSacramento, CA 958341477018448
  6. Naomy LeeLaguna Hills, CA 926531700438819
  7. Nicholas Lee, BCBAIrvine, CA 926021700537677
  8. Olivia LeeVentura, CA 930031073459970
  9. Pita Lee, BADowney, CA 902421265096028
  10. Raheem LeeStockton, CA 952021376893727
  11. Raquel LeeDavis, CA 956181245893924
  12. Rebecca LeeSan Francisco, CA 941111619353943
  13. Ryan LeeSan Bruno, CA 940661386526580
  14. Sameisha LeeVictorville, CA 923951972324846
  15. Sarah LeeFontana, CA 923361235601725
  16. Seung Hyun LeeBurbank, CA 915051740853449
  17. Shannon LeeEl Cajon, CA 920201871449959
  18. Shee LeeSacramento, CA 958311255080529
  19. Siu Kwan Cherry Lee, MA, BCBAPasadena, CA 911051144746058
  20. Soo Kyoung LeeIrvine, CA 926061316417975
  21. Sophia LeeWoodland Hills, CA 913671740783224
  22. Sora Lee, M.A. BCBASan Diego, CA 921211336489566
  23. Stacy LeePomona, CA 917661609460591
  24. Star LeeLaguna Beach, CA 926511376009985
  25. Susan LeeSan Francisco, CA 941031033530555
  26. Tabitha LeeRancho Cucamonga, CA 917301063357739
  27. Tiffany Lee, BCBAConcord, CA 945201912469636
  28. Tiffany LeeHayward, CA 945411114493541
  29. Tiffany Lee, BCBASacramento, CA 958271891042511
  30. Velika Lee, BCBAGarden Grove, CA 928401679083307
  31. Victoria Lee, B.C.B.ACorona, CA 928811427446376
  32. Vincent LeePalo Alto, CA 943061467840827
  33. Yoori LeeGlendale, CA 912041992470074
  34. Kathryn Lee-Carothers, M.A., BCBASacramento, CA 958641184061715
  35. Stephanie Lee-SouzaCorona, CA 928791417425570
  36. Kalyn Leedle, MA, BCBAStockton, CA 952191700498433
  37. Kathleen LeeperSanta Barbara, CA 931101760865893
  38. Hasani LeffallPasadena, CA 911061356920870
  39. Nicole Leffler, BCBARiverside, CA 925071134704760
  40. Brittany Leforestier, BCBAStockton, CA 952071982270682
  41. Gwenyth LegaspiCosta Mesa, CA 926261073357182
  42. Sonia LegaspiConcord, CA 945201508380114
  43. Tessa LegereGarden Grove, CA 928401851944979
  44. Anthonyan LegiaCosta Mesa, CA 926261760195184
  45. Crystal LeglarCosta Mesa, CA 926261225843139
  46. Jonathan Legorreta, MALos Angeles, CA 900431427804178
  47. Mayleen LeguzmanBerkeley, CA 947021861967937
  48. Shana LeharBeverly Hills, CA 902111568774941
  49. Christina LehnerConcord, CA 945201174155014
  50. Jasmin Lei, B.S.San Mateo, CA 944011124476684

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.