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 142 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. Kristen GraySanta Clara, CA 950541750880290
  2. Mikea Gray, BCBAInglewood, CA 903051952043309
  3. Rachel GraySan Diego, CA 921081174172910
  4. Sarah GrayWildomar, CA 925951730054198
  5. Tacorra GrayEl Cerrito, CA 945301427479716
  6. Ashton GraysConcord, CA 945201659944130
  7. Denisha GraysonMartinez, CA 945531528576014
  8. Lauren GreavesCosta Mesa, CA 926261013615202
  9. Genevieve GrecoCosta Mesa, CA 926261174487300
  10. Andrew GreenAnaheim, CA 928051932612223
  11. Angela Green, BCBACarlsbad, CA 920081043712052
  12. Ashley Green, BCBAMorgan Hill, CA 950371366065252
  13. Brianna GreenMurrieta, CA 925621649881087
  14. John GreenClearlake, CA 954221932800851
  15. Karen Green, MS, BCBATorrance, CA 905021578839171
  16. Makyda GreenCosta Mesa, CA 926261487434031
  17. Mylezia GreenCosta Mesa, CA 926261780308569
  18. Tiahna GreenSan Mateo, CA 944011558862235
  19. Todd GreenYuba City, CA 959911578062352
  20. Brandon GreenbergWoodland Hills, CA 913671235639980
  21. Jacob Greenberg, M.ED., BCBAArcata, CA 955211316458110
  22. Brittany GreeneWestlake Village, CA 913621629588488
  23. Janelle Greene, M.ED., BCBASan Diego, CA 921231295277887
  24. Jeremi GreeneBrentwood, CA 945131891383808
  25. Kelsey GreeneSan Diego, CA 921081659913093
  26. Liana GreeneSan Bruno, CA 940661093365926
  27. Patrick Greene, BAThousand Oaks, CA 913601972877520
  28. Sarah Greene, MS, BCBAConcord, CA 945201730506643
  29. Sienna Greener-Wooten, MA, BCBATarzana, CA 913561194090753
  30. Natalie GreenhoweGlendale, CA 912021023573441
  31. Samantha Greenough, BCBAOntario, CA 917611447958442
  32. Samantha GreensteinLos Angeles, CA 900641568072221
  33. Lyle GreenwayRancho Cucamonga, CA 917301306704929
  34. Mariayh GreenwoodCosta Mesa, CA 926261073264487
  35. Venniesa GreerRiverside, CA 925061710629340
  36. Calvin GreggCosta Mesa, CA 926261801542832
  37. Michael GreggAlhambra, CA 918031770824849
  38. Alenoush GregoriTarzana, CA 913561689368029
  39. Alyanna GregorioAlameda, CA 945011720612906
  40. Hazel Anne GregorioMonrovia, CA 910161144738881
  41. Kahlyah GregoryCosta Mesa, CA 926261790501401
  42. Kaitlyn GregoryIndio, CA 922011235934712
  43. Michelle GregorySan Diego, CA 921111902313760
  44. Vailala Gregory, BCBASan Diego, CA 921051992313423
  45. Irina Gres, BAOrange, CA 928671831657907
  46. Aries GreshamSacramento, CA 958201225691140
  47. Eston GreubAntioch, CA 945311770282709
  48. Sally Grevemberg, BCBASalida, CA 953681124360326
  49. Samneet Grewal, BCBARocklin, CA 957651821960584
  50. Krystle Grgich, M.A., BCBAIrvine, CA 926121811429814

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.