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 321 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. Keri RothmanSan Diego, CA 921081861075509
  2. Amanda RothsteinSalinas, CA 939061245732122
  3. Rebecca Rothstein, MS, BCBAAzusa, CA 917021134795206
  4. Marina Rothway, ED.D., BCBAOakland, CA 946121134522733
  5. Ashley RotoloManteca, CA 953361699276345
  6. Grace RoubidouxGardena, CA 902481154071231
  7. Hagop Rouchanian, BCBASan Bruno, CA 940661104321280
  8. Jessica RoumanPomona, CA 917681881236404
  9. Amanda RoundsCorona, CA 928781396209979
  10. Tabitha RoundtreeWalnut Creek, CA 945961205389939
  11. Jessica RountreeRoseville, CA 956781477056455
  12. Dominique RousseauVan Nuys, CA 914061801367826
  13. Rahil Roussos, BCBAPasadena, CA 911061902178841
  14. Benjamyn RoweAuburn, CA 956031760015416
  15. Julie Rowland, BCBASeal Beach, CA 907401487249983
  16. Katie RowlandRoseville, CA 956611275187767
  17. Michael RowlandOntario, CA 917641538740196
  18. Kimberly Rowley, M.S., BCBACitrus Heights, CA 956211952784167
  19. Lauren RowleySan Diego, CA 921081013349125
  20. Michelle Rowley, BCBASan Diego, CA 921011053884536
  21. Tia RowleySacramento, CA 958261710459151
  22. Brittany Roy, MSHuntington Beach, CA 926491043914211
  23. Cameron RoyPalm Springs, CA 922621831881606
  24. Cecilia RoyPetaluma, CA 949521942855192
  25. Corinna RoySan Diego, CA 921231528704772
  26. Diego Roy, BCBACulver City, CA 902301760044903
  27. Moumita RoySan Diego, CA 921021285313288
  28. Samrat Roy, SLP, BCBASanta Clara, CA 950501073859724
  29. Storm RoyHermosa Beach, CA 902541750046066
  30. Tanae RoyalClovis, CA 936191568204774
  31. Georgiy Roykhman, MSNorth Hollywood, CA 916021366077109
  32. Talia RozenabumSan Bruno, CA 940661861987307
  33. Zhana Rozman, MA, BCBAThousand Oaks, CA 913601245893502
  34. Ani Rshtouni-BoyadzhyanBurbank, CA 915041306772363
  35. Maria Rua DamianMonterey, CA 939401255001640
  36. Ana RuanoLos Angeles, CA 900101043951395
  37. Elisabet RubalcavaFontana, CA 923351275036816
  38. Marcella RubalcavaSanta Ana, CA 927041740863497
  39. Patricia RubalcavaCarlsbad, CA 920081851751077
  40. Hayarpi Rubenyan, MAGranada Hills, CA 913441609427897
  41. Bianca Rubin, MS BCBASan Marcos, CA 920781558877654
  42. Adam RubioSanta Monica, CA 904051427410034
  43. Ana RubioAnaheim, CA 928051104391143
  44. Andrea Rubio, M.A., BCBACamarillo, CA 930121275953739
  45. Carolina RubioGardena, CA 902481093445405
  46. Carolina RubioSanta Ana, CA 927071649007618
  47. Diego RubioDuarte, CA 910101518428648
  48. Juliette RubioGilroy, CA 950201588157903
  49. Miguel Rubio, BCBASan Diego, CA 921081063717635
  50. Nadia RubioConcord, CA 945201437507191

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.