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 257 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. Solome NaggayiEncino, CA 914361538747878
  2. Kevin NagleLos Angeles, CA 900101932684024
  3. Coleen NagrampaLake Forest, CA 926301003629031
  4. Marie NahasRancho Cucamonga, CA 917301053863886
  5. Raajna NaiduOakland, CA 946011467997049
  6. Mizraim Naik-Castillo, MSWalnut Creek, CA 945981235609439
  7. Maricris NailesEl Cajon, CA 920201710491576
  8. Naliny NairLos Angeles, CA 900031467684118
  9. Michelle NajarroValencia, CA 913551578806311
  10. Margarita NajaryanSierra Madre, CA 910241407395254
  11. Veronika NajaryanMontrose, CA 910201326581364
  12. Adel Najdowski, BCBAAgoura Hills, CA 913011306267976
  13. Jose NajeraFullerton, CA 928321922566991
  14. Tony NajeraCosta Mesa, CA 926261528575024
  15. Diva NajibAntioch, CA 945091790243996
  16. Anne Nakagawa, BCBALodi, CA 952401952772279
  17. Taylor NakaseOceanside, CA 920541285135046
  18. Ra Jha Rohan NaltyLos Angeles, CA 900371811868656
  19. Erica NamIrvine, CA 926141992451488
  20. Jason NamTustin, CA 927801457215154
  21. Joo Hee NamFullerton, CA 928321841732484
  22. Sang NamChino Hills, CA 917091336664861
  23. Kelly Namanja, BCBABurbank, CA 915051134492705
  24. Mimi Namkoong, BCBACosta Mesa, CA 926261346789344
  25. Jasmine NandSan Jose, CA 951211437515640
  26. Aylene NanezAlhambra, CA 918031528988177
  27. Vina Vanessa Napoles, BCBALos Angeles, CA 900711962911305
  28. Nudrat NaqviCosta Mesa, CA 926261497536437
  29. Preetinder Narang, BCBASanta Paula, CA 930601427305994
  30. Angela NaranjoCorona, CA 928791457026114
  31. Karryn Naranjo, BCBALong Beach, CA 908021568028785
  32. Melinda Naranjo, BCBAEscondido, CA 920271386150399
  33. Ruby NaranjoCosta Mesa, CA 926271720705619
  34. Angelina Jasmine NarcisoElk Grove, CA 957581851116404
  35. Lilibeth NarcisoSouth San Francisco, CA 940801790217586
  36. Marty Narcisse, DSPClaremont, CA 917111144797218
  37. Justine Nardiello, M.S., BCBAPalo Alto, CA 943061932601226
  38. Ariana NardoneVallejo, CA 945901164994125
  39. Nicole Narlock, M.A., BCBASan Mateo, CA 944021265851752
  40. Alexis Nash, BCBAGardena, CA 902481124980115
  41. Carolyn NashHacienda Heights, CA 917451669941472
  42. Samuel Nassab, MSBurbank, CA 915041508451204
  43. Ewa NassalskaOakland, CA 946091679955033
  44. Veronica NasserMonrovia, CA 910161487252268
  45. Nakisa NassirpourTarzana, CA 913561326611328
  46. Natalia Navarro Ocampo Natalia Navarro-OcampoMonterey Park, CA 917551982572434
  47. Jannella Cassandra NatanCosta Mesa, CA 926261861354037
  48. Chithra NatarajanSan Jose, CA 951291376469080
  49. Esther NatividadMenifee, CA 925841710476510
  50. Uyanga NatsagdorjLos Angeles, CA 900431629818695

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.