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 172 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. Laura IshikawaSanta Maria, CA 934581760791982
  2. Lee Anne Ishmael, BCBAFresno, CA 937221609119114
  3. Courtney IslamSan Luis Obispo, CA 934051265189823
  4. Kaniz IslamLos Angeles, CA 900321942023619
  5. Tamima IslamOntario, CA 917611568822708
  6. Alexa IslasCypress, CA 906301992390744
  7. Dolores IslasTarzana, CA 913561306581541
  8. Vanessa Islas, M.A., BCBARancho Cucamonga, CA 917301306322359
  9. Ekemini IsokiseLos Angeles, CA 900051831913078
  10. Kyle IsomRichmond, CA 948051740896638
  11. Yabalah IsraelMonterey, CA 939401326525163
  12. Hasmik IsraelyanGlendale, CA 912031407193204
  13. Elizabeth Isralowitz, BCBABurbank, CA 915051346689288
  14. Abigail IssaianPomona, CA 917661255800215
  15. Kian IssariTustin, CA 927801366127300
  16. Rola IstanboolyCorona, CA 928791235680695
  17. Natalie Iten, B.S.Rocklin, CA 957651740776467
  18. Amber Ito, LMFTVan Nuys, CA 914061104361427
  19. Emily Iupe MayNapa, CA 945581770399214
  20. Jena Iverson, M.ED., BCBALakeport, CA 954531609389840
  21. Katrina IvesGarden Grove, CA 928401457113854
  22. Christian IvieCosta Mesa, CA 926261467977942
  23. Jasmine IvoryGarden Grove, CA 928401578023248
  24. Leslie Ivy-Louthaman, MSConcord, CA 945201285104380
  25. Stacy IwamotoLos Angeles, CA 900451427477389
  26. Stephanie Iwanciow, BCBA - 1-13-14784Santa Cruz, CA 950601770273963
  27. Mia IwasakiOrange, CA 928681932846912
  28. Priscila IxquiackColton, CA 923241508355009
  29. Sharmila IyengarCalabasas, CA 913021538098892
  30. Kriti IyerPasadena, CA 911061457068942
  31. Shunsuke Izai, BCBAWest Covina, CA 917901588056428
  32. Delylah IzarrarazHarbor City, CA 907101467023432
  33. Gabrielle Izralson, PSYD, BCBALos Angeles, CA 900671124277454
  34. Dilaram JabariSan Diego, CA 921111861992554
  35. Sawaira JabbarSan Diego, CA 921081225924285
  36. Wasileh JabbarOntario, CA 917641659037976
  37. Yasmina Jabri, BCBASan Clemente, CA 926731497220040
  38. Paolo JacintoNorth Hollywood, CA 916071003349507
  39. Julia JaciukValencia, CA 913551003397803
  40. Anna JackobsCosta Mesa, CA 926261538884648
  41. Ashley Jackowski, MA, BCBAPalo Alto, CA 943011518442193
  42. Aaron JacksonLakewood, CA 907151962175448
  43. Alexandria JacksonRichmond, CA 948041477028611
  44. Amanique JacksonRancho Cucamonga, CA 917301669338836
  45. Amy JacksonGardena, CA 902481821673799
  46. Andrea Jackson, BCBAIrvine, CA 926121568948479
  47. Andrew Jackson, AJImperial Beach, CA 919321518628445
  48. Ashley Jackson, BASanta Monica, CA 904031013798990
  49. Brittany JacksonRocklin, CA 957651346882388
  50. Clarissa Jackson, BCBAAlameda, CA 945011467953364

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.