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 212 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. Lizeth LopezHayward, CA 945411831824960
  2. Lourdes LopezSan Gabriel, CA 917751033663166
  3. Luz Lopez, MSHermosa Beach, CA 902541962039529
  4. Lynn'De LopezCosta Mesa, CA 926261114725215
  5. Malanie LopezRancho Cucamonga, CA 917301396619383
  6. Maria LopezLos Angeles, CA 900011679272157
  7. Maria LopezTujunga, CA 910421104447259
  8. Maria LopezFremont, CA 945381023654860
  9. Maribel LopezArcadia, CA 910061396176921
  10. Marilyn LopezGardena, CA 902481366731747
  11. Marisol LopezGrover Beach, CA 934331780195065
  12. Maritza LopezPalm Desert, CA 922601578238689
  13. Marlene LopezFresno, CA 937111417193533
  14. Melissa LopezPasadena, CA 911061811773328
  15. Michelle LopezVentura, CA 930031306256136
  16. Miriam Lopez, M.S., B.C.B.A.Encino, CA 913161326583543
  17. Miriam LopezCosta Mesa, CA 926261922733542
  18. Misca LopezChula Vista, CA 919141447724166
  19. Monica LopezCosta Mesa, CA 926261245114941
  20. Morgan LopezCosta Mesa, CA 926261700678000
  21. Moses LopezRocklin, CA 957651477026409
  22. Nadia LopezSanta Ana, CA 927051740083203
  23. Nancy LopezLakewood, CA 907131518569722
  24. Naomi LopezSan Marcos, CA 920781639670821
  25. Noemi LopezRancho Cucamonga, CA 917301952241408
  26. Priscilla LopezChula Vista, CA 919141861006876
  27. Priscilla LopezSan Jose, CA 951361811483514
  28. Ramona Lopez, MS, BCBALos Angeles, CA 900281033451133
  29. Raul LopezModesto, CA 953501932695111
  30. Regina Lopez, BS, MSGlendale, CA 912031629665567
  31. Rigoberto LopezBakersfield, CA 933091255270187
  32. Rocio LopezSalinas, CA 939051407399785
  33. Rosa Lopez, BCBARancho Cucamonga, CA 917301235666363
  34. Rosalie LopezSan Diego, CA 921281891297826
  35. Shari Lopez, BCBASan Bernardino, CA 924081497378178
  36. Sierra LopezCosta Mesa, CA 926261649748724
  37. Sophia LopezBurbank, CA 915041144039751
  38. Stephanie Lopez, MSCovina, CA 917241699538561
  39. Stephanie Lopez, BCBASan Diego, CA 921231497090526
  40. Stephanie LopezCosta Mesa, CA 926261245049923
  41. Stephanie LopezNovato, CA 949491831750918
  42. Talia LopezLos Angeles, CA 900431164350898
  43. Tania LopezSan Diego, CA 921281225587520
  44. Valerie LopezOntario, CA 917641629521745
  45. Vanessa LopezMonterey Park, CA 917541487213708
  46. Vanessa LopezChula Vista, CA 919101972181691
  47. Veronica LopezAlameda, CA 945011659042059
  48. Victoria LopezConcord, CA 945201538087416
  49. Xiomara Lopez, M.SCovina, CA 917241093274367
  50. Yesenia LopezEl Segundo, CA 902451427975200

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.