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 229 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. Stephanie MartinezCosta Mesa, CA 926261518566884
  2. Susan MartinezOntario, CA 917641306579719
  3. Tanya MartinezWildomar, CA 925951962342410
  4. Teresa MartinezLa Mesa, CA 919421235778671
  5. Thamara MartinezPasadena, CA 911051194304949
  6. Tristan MartinezEmeryville, CA 946081336607670
  7. Vanessa MartinezSacramento, CA 958231831457969
  8. Veronica MartinezSan Francisco, CA 941031760922157
  9. Viviana MartinezSacramento, CA 958311992281588
  10. Xochitl MartinezValencia, CA 913551871200246
  11. Yahaira MartinezGardena, CA 902481427984764
  12. Nadine Martinez AyalaRancho Cucamonga, CA 917301710868922
  13. Priscilla Martinez BotelloWoodland Hills, CA 913671174266647
  14. Berenice Martinez CabralesRancho Cucamonga, CA 917301497622450
  15. Samantha Martinez De La Vega, BCBASan Diego, CA 921231922511575
  16. Stephanie Martinez GarciaLos Angeles, CA 900421568292944
  17. Paola Martinez GuizadoRancho Cordova, CA 956701275025363
  18. Brenda Martinez LeivaGlendale, CA 912051477013035
  19. Arlix Martinez LopezFresno, CA 937111053964627
  20. Jessica Martinez LopezPinole, CA 945641598410821
  21. Ricardo Martinez MartinezSalinas, CA 939051235611013
  22. Vanesa Martinez PenaMountain House, CA 953911982180295
  23. Jose Martinez SanchezLong Beach, CA 908071083260012
  24. Angelica Martinez ZendejasLos Angeles, CA 900231508720574
  25. Zuleima Martinez-BarajasTulare, CA 932741336618065
  26. Najhi Martinez-CartagenaLos Angeles, CA 900151093537425
  27. Sandra Martinez-ChavezPasadena, CA 911061902529456
  28. Diana Martinez-MaresChowchilla, CA 936101801558812
  29. Jesus Martinez-VargasCosta Mesa, CA 926261063287415
  30. Katharine Martini, RBTLos Angeles, CA 900131639789860
  31. Geovanni Martinon, RBTTemecula, CA 925911194386672
  32. Nadja Martins, BCBARoseville, CA 956611699029454
  33. Anna Lourdes Martirez, M.A., B.C.B.ARancho Cucamonga, CA 917301376835652
  34. Ani Martirosyan, BCBAEncino, CA 913161518390285
  35. Lusine MartirosyanVan Nuys, CA 914061386024321
  36. Mariam Martirosyan, MAWhittier, CA 906051225624604
  37. Shogik Martirosyan, M.S, BCBAPorter Ranch, CA 913261699206029
  38. Sol MartoronyVan Nuys, CA 914061932699527
  39. Alexandra Martynowicz, BCBAGardena, CA 902481245792928
  40. Eli Marx-Kahn, RBTSan Diego, CA 921211952946741
  41. Sadaf Marzban SarnaghiLaguna Hills, CA 926531063042752
  42. Sabra MasannatMonrovia, CA 910161033885173
  43. Kryzzel MascardoUnion City, CA 945871366926073
  44. Sarah MascardoSan Diego, CA 921231235724394
  45. Halonna MascarenoNewport Beach, CA 926601609733294
  46. Jan MasekLong Beach, CA 908051740012244
  47. Reem MashalSacramento, CA 958291639778756
  48. Miriam Mashiah, BCBALos Angeles, CA 900251134595465
  49. Lueni MasinaSouth San Francisco, CA 940801184122137
  50. Malaki Mask, BARiverside, CA 925081144890989

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.