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 366 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. Daniel Thompson, BCBAPetaluma, CA 949541811504673
  2. Davon ThompsonSan Jose, CA 951481316820855
  3. Ebijian ThompsonSacramento, CA 958341770069189
  4. Eli ThompsonCitrus Heights, CA 956211548756109
  5. Emily ThompsonAnaheim, CA 928071306303029
  6. Hannah ThompsonSacramento, CA 958321871084921
  7. Jackie ThompsonLakeport, CA 954531063343069
  8. Jessica ThompsonWoodland Hills, CA 913671013554260
  9. Kathleen Thompson, MS, BCBASan Juan Capistrano, CA 926751780950485
  10. Kaylee ThompsonSan Diego, CA 921011194417840
  11. Kaylee Thompson, CALMSHA PEERRiverside, CA 925031679385371
  12. Kimberly Thompson, BCBAFountain Valley, CA 927081366981755
  13. Krystal ThompsonPetaluma, CA 949541114509825
  14. Leo ThompsonLos Angeles, CA 900111336515121
  15. Madison ThompsonOrange, CA 928681760045983
  16. Marissa ThompsonManhattan Beach, CA 902661972002749
  17. Mary ThompsonVisalia, CA 932771033763099
  18. Melissa Thompson, BCBALafayette, CA 945491245571637
  19. Randy Thompson, BCBAPasadena, CA 911071780934901
  20. Stephanie ThompsonSacramento, CA 958251639634918
  21. Tera ThompsonVacaville, CA 956871992684575
  22. Zhanna ThompsonDublin, CA 945681750815858
  23. Marry ThongDowney, CA 902421013552207
  24. Pradyuth ThonseSanta Clara, CA 950541194218941
  25. Rebecca ThorburnVacaville, CA 956871003366477
  26. Dane ThoresonEncino, CA 914361811522931
  27. Sunna ThorkelsdottirFremont, CA 945381760029201
  28. Abigayle Thorn, M.S., BCBACulver City, CA 902301659156495
  29. Amanda ThorndikeBrentwood, CA 945131689156713
  30. Lauren ThorntonFresno, CA 937111518501063
  31. Lydia ThorpeCosta Mesa, CA 926261538970637
  32. Heather ThrappFolsom, CA 956301447746607
  33. Ninette Threatt, MS, BCBALos Angeles, CA 900101740868215
  34. Kate ThunellVentura, CA 930031841167780
  35. David ThurmanRoseville, CA 956611780172056
  36. Deshel ThurmanWoodland Hills, CA 913671205487873
  37. Hannorah Thurman Woodruff, BCBASanta Rosa, CA 954041609117092
  38. Betty Tia -Conger, MA, BCBAClaremont, CA 917111487929964
  39. Sarah Tian, BCBAMonterey, CA 939401538880372
  40. Roxylynn TibayanCosta Mesa, CA 926261962031526
  41. Deborah TiborEncino, CA 914361093193997
  42. Aidan TiedeSan Bernardino, CA 924081952949547
  43. Stephanie TiendaPasadena, CA 911071730729583
  44. Emily TiermanEncino, CA 913161093270902
  45. Phuong Tiet, BSMartinez, CA 945531306356530
  46. Rachel Tietze, MS, BCBASan Francisco, CA 941031124512413
  47. Elise Tieu, BSStockton, CA 952071164922761
  48. Ericka Tijerina, BCBAWest Covina, CA 917911538761523
  49. Kalin TilburyOrange, CA 928671710445937
  50. Zinnia Tilden, BCBACovina, CA 917241922647882

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.