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 264 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. Francesca NikolicDavis, CA 956161205374675
  2. Kimberly NilsenConcord, CA 945201710723390
  3. Yussra NimeriSan Jose, CA 951281669835906
  4. Claire NimsOakland, CA 946061609359777
  5. Sarah NimsAnaheim, CA 928071134678923
  6. Dana NinkhamPasadena, CA 911851952847105
  7. Claudia NirmalCarlsbad, CA 920111225732274
  8. Nicole NirvaPleasanton, CA 945661336534627
  9. Patricia NishanCampbell, CA 950081427877943
  10. Sydney Nishida, MSBrentwood, CA 945131003323551
  11. Jenna NishihiraFremont, CA 945381780231118
  12. Celeste NishijimaSan Diego, CA 921081497278980
  13. Justin NishimotoOakland, CA 946061194214379
  14. Alyssa NissonIrvine, CA 926141942922380
  15. McKenna NissonIrvine, CA 926141760121750
  16. Kamala NixonRiverside, CA 925031609642115
  17. Joan NjoraEl Segundo, CA 902451821916818
  18. Jayden NoCosta Mesa, CA 926261578439600
  19. Rana NoahFolsom, CA 956301356934020
  20. Lindsey Noble, BCBAMonrovia, CA 910161225558893
  21. Andreanna NoblesConcord, CA 945201750846200
  22. Caitin NobrigaWalnut Creek, CA 945981730681131
  23. Alexis NocerinoCovina, CA 917241346010667
  24. Selia Noddin, BCBAManteca, CA 953361437622594
  25. Alexandra NoelLancaster, CA 935341710612932
  26. Melissa NoelPasadena, CA 911011073358339
  27. Valeria Noel, MA, BCBAGarden Grove, CA 928451568936177
  28. Michelle NoertkerGarden Grove, CA 928401366927600
  29. Chiko NoguchiSan Francisco, CA 941311518359280
  30. Ana NogueiraPoway, CA 920641528661774
  31. Rubilene Noguera, BCBASan Jose, CA 951291093970386
  32. Jisun NohSan Jose, CA 951291184581589
  33. Kendahl NohVictorville, CA 923921427574680
  34. Marlene NohBellflower, CA 907061508673591
  35. Suejung Noh, M.SIrvine, CA 926141801666094
  36. Karen Nohelty, BCBACulver City, CA 902301811260474
  37. Amanda NolanPalm Desert, CA 922601023614518
  38. Dawnita Nolan, M.ED.Monrovia, CA 910161568096766
  39. James NolandSherman Oaks, CA 914031386382794
  40. Stefanie NolandWatsonville, CA 950761669827937
  41. Ma Genevive Nolasco, M.A., BCBATustin, CA 927801649622655
  42. Nahum NolascoPasadena, CA 911071215577135
  43. Elizabeth Nolasco AlemanValley Village, CA 916071053053918
  44. Xiomara Nolasco CoronaLos Angeles, CA 900441356132526
  45. Sofia Nolasco-HernandezSanta Cruz, CA 950621194596791
  46. Latreasha NolenLos Angeles, CA 900431750850186
  47. Porsche NolenWoodland Hills, CA 913671770056475
  48. Margaret Noll, BCBASan Diego, CA 921231306566351
  49. Shannon NolteModesto, CA 953541821814864
  50. Danny NongWoodland Hills, CA 913671174154199

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.