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 265 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. Melissa NoonFresno, CA 937101407513864
  2. Masiti NoorSan Diego, CA 921231740145374
  3. Tannaz Noori-KhorasaniEncino, CA 914361891389680
  4. Afsaneh NoorparvarSan Leandro, CA 945781972344083
  5. Linda NoralesNorco, CA 928601235852260
  6. Shelby NorbergSan Juan Capistrano, CA 926751811499957
  7. Tyler NorbySan Ramon, CA 945831235630310
  8. Joseph Nord, B.C.B.A.Arcata, CA 955211255788915
  9. Cyncere NordeAntioch, CA 945091639647738
  10. Juliana NordhuesSan Diego, CA 921301306469135
  11. Julie Nordman, B.C.B.AReedley, CA 936541962868992
  12. Katherine NoredIrvine, CA 926181225481286
  13. Rylee NoreenCovina, CA 917231871441949
  14. Kimberley Nores, BCBASan Jose, CA 951121326422593
  15. Isabelle NorgordMurrieta, CA 925621669116927
  16. Jacqueline NoriegaOntario, CA 917641174319891
  17. Janessa NoriegaSanta Maria, CA 934541932027802
  18. Karime NoriegaTemecula, CA 925911063300119
  19. Jean Norman, MSWFresno, CA 937101972746139
  20. Kimberly NorridClovis, CA 936111679123855
  21. Charla Norris, MS ED, BCBAPoway, CA 920641265104160
  22. Elijah NorrisCastro Valley, CA 945461114608932
  23. Lourdes Norris, MS, BCBAAnaheim, CA 928011619643376
  24. Marissa NorrisSan Ramon, CA 945831245873942
  25. Stephanie NorrisPoway, CA 920641831792084
  26. Carlie NortonElk Grove, CA 957581871061770
  27. Fiona NortonOakland, CA 946091750150751
  28. Kyndel NortonFolsom, CA 956301811541634
  29. Patricia NortonGarden Grove, CA 928411275238586
  30. Charisse NorwoodCypress, CA 906301649914987
  31. Shakia NorwoodOntario, CA 917641972496073
  32. Arielle Noss, MS RBTCosta Mesa, CA 926261437644846
  33. Seth NotoCitrus Heights, CA 956211609343466
  34. Savy Noun, M.A.Sacramento, CA 958261487909743
  35. Theary Nov, BCBAHuntington Beach, CA 926481437619954
  36. Terra NovacoskiRiverside, CA 925061477056307
  37. Nicole Novak, BCBASan Diego, CA 921231730697103
  38. Stephanie Novak, M.S.Ventura, CA 930031396157418
  39. Shannon NovanderAuburn, CA 956031164072500
  40. Eric NoveloCovina, CA 917241245088830
  41. Olivia NoviaCosta Mesa, CA 926261982415279
  42. Kyeongseon NovillaSan Diego, CA 921231649736695
  43. Alba Novoa, M.ASan Gabriel, CA 917761407196421
  44. Alondra NovoaCosta Mesa, CA 926261598372674
  45. Elizabeth Novoa-PerezEl Segundo, CA 902451578029856
  46. Audrey NowatzykSan Diego, CA 921081427911965
  47. Jonathan Nowicki, M.A.Atwater, CA 953011629407747
  48. Roshika Nowicki, MA, BCBAAtwater, CA 953011891126504
  49. Brittany NowlinModesto, CA 953541891089330
  50. Marissa Noyer, BCBAOrange, CA 928681427577691

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.