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 194 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. Kaytlin KunsSanta Cruz, CA 950621669941621
  2. Sidney KupelianSanta Barbara, CA 931031245731801
  3. Cynthia KupiecLos Angeles, CA 900341063976827
  4. Armenuhi KurajyanVan Nuys, CA 914011932584158
  5. Cassandra KurmisBerkeley, CA 947101093125429
  6. Sylvia Kurniawan, BCBASan Ramon, CA 945831780149138
  7. Yukie Kurumiya, BCBAWoodland Hills, CA 913671770980914
  8. Sonia KurusamyNewark, CA 945601376277764
  9. Agnieszka KusiakOakland, CA 946091700246287
  10. Evan KusmierSan Marcos, CA 920781982252607
  11. Heidi Kutz, BA, MAGarden Grove, CA 928401518427616
  12. Alyne Kuyumjian, BCBASeal Beach, CA 907401720335193
  13. Jessica KvaterchukSacramento, CA 958261801366356
  14. Bethany KwanSan Mateo, CA 944021104305507
  15. Wendy KwangPalo Alto, CA 943061699273904
  16. Samuel KwekelSanta Cruz, CA 950621386317600
  17. Nicole Kwiatkowski, M.ED., BCBASacramento, CA 958251477942241
  18. Marianna KwokCosta Mesa, CA 926261578292330
  19. Jasmin KwonCosta Mesa, CA 926261457042418
  20. Josephine KwonWoodland Hills, CA 913671477017689
  21. Lisa Kwon, BCBAEscondido, CA 920251851782296
  22. Naomi KwonSanta Maria, CA 934551912881749
  23. Stephanie KwonConcord, CA 945201609351295
  24. Ji Hae Kwon HwangEncino, CA 914361063999597
  25. Benjamin Kwong, BCBASan Jose, CA 951261376034900
  26. Patrick KwongHayward, CA 945441164908968
  27. Sharon Kwong, BCBARiverside, CA 925071023898236
  28. Sarah KyanzaLakeside, CA 920401225877061
  29. Abigail KyeiPleasanton, CA 945881902382153
  30. Belinda LaSan Bruno, CA 940661013432608
  31. Calvin LaDublin, CA 945681275380529
  32. Wendy LaGarden Grove, CA 928451346896115
  33. Sara La CanforaRancho Cucamonga, CA 917301013622737
  34. Astrid La Cruz Montilla, BCBALong Beach, CA 908071376006189
  35. Laura La Farga, M.ED., BCBAManhattan Beach, CA 902661952762353
  36. Bryan La SotaValencia, CA 913551326477969
  37. Gabriela La Torre, BCBAConcord, CA 945191558927509
  38. Whitney LabeauSan Diego, CA 921261881904407
  39. Rosina Labeaune, RBTOrange, CA 928681720545833
  40. Noreen Laberinto, MA, BCBACulver City, CA 902301053768499
  41. Nader LabibRancho Cucamonga, CA 917301093233660
  42. Christopher Labreche, BCBA # 1-16-23384Walnut Creek, CA 945981043794316
  43. Jillian Labrie, MA, BCBASouth Lake Tahoe, CA 961501487046645
  44. Michelle Labruzzi, MA, BCBACanoga Park, CA 913031871913632
  45. Larissa LabsOceanside, CA 920541952965998
  46. John Lacampagne, BCBAWatsonville, CA 950761508100751
  47. Marjorie Lacap, BCBAPetaluma, CA 949541942793880
  48. Bernardette Lacarra RamirezSan Diego, CA 921201578203261
  49. Samantha LacasseSouth San Francisco, CA 940801871133801
  50. Alcira LacayoOntario, CA 917641811340102

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.