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 213 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. Yesida LopezVan Nuys, CA 914061750761672
  2. Yolanda LopezFresno, CA 937111225274350
  3. Yvonne LopezGardena, CA 902481750094843
  4. Zaira Lopez, BA, RBTWestlake Village, CA 913621780195925
  5. Zenaida LopezSalinas, CA 939061669968087
  6. Zenaida LopezCampbell, CA 950081871999631
  7. Tiffany Lopez Alvarado, RBTIrvine, CA 926121396364634
  8. Zinnai Lopez ApalateguiSan Diego, CA 921281528669777
  9. Jane Lopez AriasCovina, CA 917241801663372
  10. Bbian Lopez CastroIndio, CA 922011063149615
  11. Diana Lopez CervantesSan Diego, CA 921211427816552
  12. Paola Lopez GuerreroSanta Maria, CA 934541528563046
  13. Xochil Lopez GuerreroCovina, CA 917241174385462
  14. Eliyana Lopez JacquesWildomar, CA 925951932037983
  15. Nayeli Lopez LlamasSanta Clara, CA 950501043798234
  16. Maria Lopez LopezChula Vista, CA 919111164176129
  17. Mayra Lopez Marcos, BCBAOrange, CA 928681356927289
  18. Ana Lopez NegreteAlhambra, CA 918031881368546
  19. Maria Lopez VillanuevaModesto, CA 953501992662191
  20. Michelle Lopez-AriasCovina, CA 917241427829035
  21. David Lopez-ClarkVallejo, CA 945901033689310
  22. Gabriela Lopez-DavilaAtascadero, CA 934221093303141
  23. Jenifer Lopez-FloresDublin, CA 945681407334956
  24. Kiara Lopez-Giambastiani, BCBAWalnut Creek, CA 945961356720205
  25. Jose Lopez-GomezWoodland Hills, CA 913671356803670
  26. Maria Lopez-LopezCypress, CA 906301144829854
  27. Abril Lopez-Rufino, MAFresno, CA 937111821567025
  28. Allen LorSan Jose, CA 951121306470554
  29. Jean-Paul LorFresno, CA 937111164064879
  30. Pa LorCarmichael, CA 956081659602324
  31. Sheng LorSacramento, CA 958311104585330
  32. Kathy Lor Thao, M.S, BCBASacramento, CA 958251982193280
  33. Lea Lora, M.A., BCBAGlendale, CA 912061548656069
  34. Travis LorangerSan Marcos, CA 920781932767241
  35. Onelo LorberterMurrieta, CA 925631306766720
  36. Johanna LorcaHuntington Beach, CA 926481194110312
  37. Vanessa Lord, MA, BCBAWhittier, CA 906021003365644
  38. Cheyenne LorentzWestlake Village, CA 913611265249114
  39. Burkley LorentzenRiverside, CA 925061518572155
  40. Donald LorenzAlta Loma, CA 917371285819680
  41. Zack Lorenz, B.A.Torrance, CA 905011992138002
  42. Neimarie LorenzanaSan Diego, CA 921231235972142
  43. Alexander Lorenzo, M.S., BCBAEmeryville, CA 946081306148218
  44. Ashley LorenzoPalm Springs, CA 922621558003707
  45. Dora Liz Lorenzo, BCBAGardena, CA 902481235827510
  46. Lizeth Lorenzo, BCBAGardena, CA 902481326880816
  47. Marie Caroline LoretoWoodland Hills, CA 913671760948186
  48. Meredith LoscialpoRedwood City, CA 940651083982441
  49. Lorenzo LosonVictorville, CA 923921093057093
  50. Amin Lotfizadeh, PHD, BCBA-DLaguna Hills, CA 926561851731855

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.