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 206 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. Caiyao LiangAlameda, CA 945011194216473
  2. Carmen Liang, MS, BCBAGardena, CA 902481457990244
  3. Clarissa Liang, BCBAThousand Oaks, CA 913601487472353
  4. Shuang LiangAzusa, CA 917021497364079
  5. Susan LiangRowland Heights, CA 917481306637913
  6. Xing LiaoEmeryville, CA 946081497301238
  7. Sawara LiaqatAlameda, CA 945011558829739
  8. Da'Shaja LiasEl Segundo, CA 902451639098635
  9. Natalie Libby, BCBARiverbank, CA 953671487037115
  10. Gianna LiccioOakland, CA 946061730684135
  11. Catherine Lichtenberger, MFT, BCBASherman Oaks, CA 914231205110418
  12. Philip Lichtenberger, BCBAThousand Oaks, CA 913621538679592
  13. Robert Lickfelt, B.S.Alhambra, CA 918031538693171
  14. Yadira LiconaGarden Grove, CA 928401497214225
  15. Karina LicuimeSan Diego, CA 921281407501901
  16. Michelle Liddell, BCBASan Clemente, CA 926731851808745
  17. Aakshan Lidhar, BCBARedwood City, CA 940631457992943
  18. Benicia Lie, BCBAOntario, CA 917641760035026
  19. Jessica Lieber, M.S., BCBABeverly Hills, CA 902111497096135
  20. Alex Lieberman, BAWestlake Village, CA 913621528578978
  21. Grayson LiebesSan Diego, CA 921031376002519
  22. Alma LiechtiRiverside, CA 925031871809376
  23. Andrew LienLakewood, CA 907131831741073
  24. Luse Lieu, BCABARowland Heights, CA 917481568013290
  25. Cheryl LightModesto, CA 953561770053480
  26. Lisa LiguoriSimi Valley, CA 930631306267133
  27. Kristina LilesManteca, CA 953371285526020
  28. Jacob Lilley, M.A., BCBASacramento, CA 958331215444617
  29. Amanda LillySacramento, CA 958261346772183
  30. Bryanna LillyBakersfield, CA 933131902341423
  31. Kacey LillySan Bruno, CA 940661689144024
  32. Melanie LillyRocklin, CA 957651659835312
  33. Beth Lilly-ToshikianSan Mateo, CA 944011891204178
  34. Adrianne Nicole Lim, M.A., R.B.T.Irvine, CA 926181952174773
  35. Christine LimOntario, CA 917641407476286
  36. Sun Young LimGilroy, CA 950201740773324
  37. Marissa Lima, BCBAFremont, CA 945381730445289
  38. Tania LimaSan Diego, CA 921081083959340
  39. Dana LimonValencia, CA 913551104250901
  40. Isabella LimonCovina, CA 917241649034471
  41. Britney Limon BarronVentura, CA 930031811823339
  42. Tiffany LimuOakland, CA 946061194292698
  43. Anney LinMonterey Park, CA 917541558917021
  44. Ethan LinPalo Alto, CA 943061356815955
  45. Holly LinPasadena, CA 911061558094144
  46. Jenny Lin, M.S.Brea, CA 928211265797005
  47. Joseph LinCosta Mesa, CA 926261215567177
  48. Josephine Lin, MA, BCBAWalnut Creek, CA 945981912372244
  49. Kristina Lin, BCBALos Angeles, CA 900361033761838
  50. Meina LinLos Angeles, CA 900291295662765

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.