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 403 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. Madison Yeghiyan, BEHAVIOR THERAPISTWoodland Hills, CA 913671114645934
  2. Elyssa Yeh, BCBASan Diego, CA 921261598576241
  3. Jillian YelinekFresno, CA 937221548739337
  4. Elemy YemeSan Diego, CA 921031477069409
  5. Monica Yenokida, MS, BCBATorrance, CA 905031043577521
  6. Monica YeoSan Francisco, CA 941071215367511
  7. Christina YepezCosta Mesa, CA 926261033864442
  8. Julie YepezUpland, CA 917861407392103
  9. Lizbeth Yepiz, RBTPatterson, CA 953631871060962
  10. Eunice YeungIrvine, CA 926181699250241
  11. Vivian YeungSan Carlos, CA 940701063950699
  12. Meri YevrenyanConcord, CA 945201629654033
  13. Lyubov YevseyevaHuntington Beach, CA 926481265009625
  14. Anastasiya YezhovaCupertino, CA 950141013477470
  15. Janet Yi, M.S., B.C.B.A.Aliso Viejo, CA 926561720227093
  16. Jun YiOrange, CA 928681073058376
  17. Linda YiPalmdale, CA 935501770836637
  18. Renee YiStudio City, CA 916041194157677
  19. Sang YiVictorville, CA 923521114276458
  20. Torri YiElk Grove, CA 957581437811783
  21. Wei-Hsuan Yi, MS, BCBANewport Beach, CA 926601043861370
  22. Sarah YinRancho Cucamonga, CA 917301396610366
  23. Eric YipSan Mateo, CA 944011083157796
  24. Vanesa Yip MalagaCosta Mesa, CA 926271780192625
  25. Claudia YoderOntario, CA 917641730632696
  26. Daniel YoderTemecula, CA 925921376216143
  27. Kimi Yokomizo, M.ED., BCBAAlameda, CA 945011700351988
  28. Mary Yoo, BCBASeal Beach, CA 907401013504224
  29. Shana YooRancho Cucamonga, CA 917391518497197
  30. Yeonsil YooOrange, CA 928681215443247
  31. Hannah YoonCupertino, CA 950141437726270
  32. Jin Hee YoonPleasanton, CA 945881326428434
  33. Ju Yoon, BAIrvine, CA 926181558878967
  34. Rebecca YoonGardena, CA 902481194497263
  35. Debra YoppCosta Mesa, CA 926261306485438
  36. Alana YorkRocklin, CA 957651326702911
  37. Guinevere YorkSouth Pasadena, CA 910301124420823
  38. Derek Yoshino, BCBAModesto, CA 953501598300592
  39. Mary YosinaoMenifee, CA 925841073014486
  40. Margaret YostSan Francisco, CA 941311881937126
  41. Seokjin YouCypress, CA 906301457978025
  42. Alicia YoungLa Mesa, CA 919411942002233
  43. April Young, MS, BCBAFullerton, CA 928321952732323
  44. Beth Anne Young, BCBACosta Mesa, CA 926261598182164
  45. Caleb Young, NONEPalmdale, CA 935501689243198
  46. Casey YoungPoway, CA 920641518430826
  47. Cory YoungSan Jose, CA 951361124658968
  48. Daijah YoungSan Dimas, CA 917731780233635
  49. Elizabeth YoungCulver City, CA 902301841184678
  50. Heather Young, BCBAOrinda, CA 945631851721237

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.