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 144 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. Chris Grow, BCBASan Diego, CA 921081891185336
  2. Kristina Grubbs, MS, BCBALa Canada, CA 910111659706901
  3. Jillian GruberSan Diego, CA 921081194686683
  4. Skyler GruenerSanta Fe Springs, CA 906701003304163
  5. Nikole Grulla, BCBADuarte, CA 910101629543731
  6. Amanda Grummon, BCBASherman Oaks, CA 914231578804852
  7. Gretchen Grundon, M.A., BCBASan Diego, CA 921291346581063
  8. Mariya GryunshpanValencia, CA 913551255763736
  9. Willie Guadalupe, BCBAVan Nuys, CA 914061356831952
  10. Noel GuadarramaChino, CA 917101073443255
  11. Haley Guaderrama, BAIrvine, CA 926061609495720
  12. Diana GuadianPasadena, CA 911061649889296
  13. Celeste GuadianaRiverside, CA 925061275096224
  14. Ruben GuajardoFresno, CA 937401073287140
  15. Hui Yan GuanSan Francisco, CA 941071750883948
  16. Shirley GuanOakland, CA 946061922502509
  17. Alexis GuardadoPasadena, CA 911061861086266
  18. Carlos GuardadoWalnut Park, CA 902551164995262
  19. Dalia GuardadoBakersfield, CA 933011710754445
  20. Fatima GuardadoSan Diego, CA 921281891238275
  21. Lily GuardadoAlhambra, CA 918031225562945
  22. Michelle GuardadoTorrance, CA 905051831654706
  23. Pastora GuardadoNorth Hollywood, CA 916071417458852
  24. Tatiana GuardadoBrentwood, CA 945131528557766
  25. Yara GuarinoValencia, CA 913551356775399
  26. John GuarnesCosta Mesa, CA 926261730804816
  27. Carlo GuballaGardena, CA 902481710832274
  28. Ana GubinaRocklin, CA 957651245884006
  29. Helen GubsaSanta Rosa, CA 954091962066142
  30. Florentina Gucho, M.A., BCBASan Leandro, CA 945771962866160
  31. Lucia GudinoRiverside, CA 925081548007446
  32. Markee Gueldenzopf, MS, BCBATorrance, CA 905031326441544
  33. Jazziel GuemesLos Angeles, CA 900201740155977
  34. Ross GuerbadotModesto, CA 953551528625720
  35. Bethany GuerraVisalia, CA 932771114265360
  36. Destiny GuerraCosta Mesa, CA 926261629856232
  37. Emily GuerraCarmichael, CA 956081104703867
  38. Giselle GuerraVentura, CA 930031790642650
  39. Giselle GuerraHayward, CA 945411154882967
  40. Jeanette GuerraSanta Ana, CA 927051285417808
  41. Jesus Guerra, BCBAMartinez, CA 945531528654464
  42. Mallela Guerra, BCBA, NY LBABakersfield, CA 933011699384263
  43. Michelle GuerraArcadia, CA 910061952959116
  44. Miguel GuerraSan Bernardino, CA 924111295204949
  45. Rachel GuerraNorth Hollywood, CA 916071760036727
  46. Sofia GuerraHayward, CA 945451831566231
  47. Sombra GuerraSan Jose, CA 951361720646441
  48. Alejandro GuerreroCovina, CA 917241265218804
  49. Alissa GuerreroSan Diego, CA 921281801545264
  50. Amos GuerreroSan Jose, CA 951211376840660

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.