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 214 of 407.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103K00000X · method

Costa Mesa has the most, 1,239

Behavior Analyst records in California

  1. Megan LoudermilkGarden Grove, CA 928401417412339
  2. Elizabeth Louer, MA, BCBA-LBAMurrieta, CA 925631548624315
  3. Rebecca LouieSan Jose, CA 951121912369174
  4. Spencer LouieAnaheim, CA 928051033684972
  5. Walter LouieSan Jose, CA 951121174068175
  6. Christina Lovaas, BCBASan Jose, CA 951231750647087
  7. Diana LovatoSacramento, CA 958411013224070
  8. April LovePasadena, CA 911061912473992
  9. Dawn LoveSan Diego, CA 921231487590683
  10. Marcus LoveHemet, CA 925441154089472
  11. Taylor LoveLancaster, CA 935341952099343
  12. Amanda LovelaceChula Vista, CA 919111578385647
  13. Kevin Lovelace, BCBASouth Pasadena, CA 910301821475658
  14. Prescila LovellEl Dorado Hills, CA 957621679267587
  15. Noemi LoveraEncino, CA 914361194492272
  16. Brenda LovingoodSanta Maria, CA 934551972089621
  17. Christopher LovosCosta Mesa, CA 926261992509897
  18. Christopher LowAnaheim, CA 928051326543802
  19. Sarah Low, BCBAPleasanton, CA 945881689123895
  20. Vivian LowOakland, CA 946061952804502
  21. Christina LoweCorona, CA 928791679051619
  22. Jennifer LoweFolsom, CA 956301508406778
  23. Pearce LoweRiverside, CA 925071962192047
  24. Michael Lowenstein, M.S. BCBAEncino, CA 914361467793117
  25. Daniel Lowery, BCBASan Diego, CA 921081548501760
  26. Jennifer LowryChula Vista, CA 919141215492921
  27. Veronica Lowry, MS, BCBASan Diego, CA 921281669930137
  28. Karli Lowy, M.ED.Monrovia, CA 910161295323400
  29. Marilee LoyaWildomar, CA 925951235005794
  30. Marisol Loya HuertaRiverside, CA 925091710404215
  31. Deanna LoyearBakersfield, CA 933091508299421
  32. Isis Loza, RBTSan Diego, CA 921011710720230
  33. Araceli LozadaRiverside, CA 925031811450778
  34. Pamela Lozada, M. ED, BCBACypress, CA 906301972917508
  35. Celena LozanoSan Mateo, CA 944011538658182
  36. Daniel LozanoOrange, CA 928651518546100
  37. Luis LozanoBell Gardens, CA 902011689322208
  38. Priscilla LozanoDuarte, CA 910101346718012
  39. Robert LozanoRiverside, CA 925071790340982
  40. Yasmin LozanoSan Pablo, CA 948061790164879
  41. Ariana Itzel Lozano RodriguezSan Diego, CA 921231679420764
  42. Nancy LuElk Grove, CA 957581659837193
  43. Sairong LuFremont, CA 945381033591219
  44. Vincent LuCosta Mesa, CA 926261942931084
  45. Yvonne LuaMadera, CA 936371497218937
  46. Sussie LuarcaWoodland Hills, CA 913641245701630
  47. John Lubbers, BCBAVan Nuys, CA 914061063647550
  48. Ashlee Lubniewski, BCBAOrange, CA 928681528433554
  49. Katelyn LucNewport Beach, CA 926601649985953
  50. Nancy LucAnaheim, CA 928051871083816

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.