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 166 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. Kahdeejah HortonOntario, CA 917641801465927
  2. Nicole Horton, BCBAIrvine, CA 926141306188834
  3. Rebecca HortonDavis, CA 956181134627581
  4. Javon HoseyStockton, CA 952071578391835
  5. Jordan HosierSan Diego, CA 921231548972607
  6. Daniel HoskinsCosta Mesa, CA 926261770309270
  7. Jahnay HoskinsAlameda, CA 945011336884840
  8. Naomi HossainSanta Ana, CA 927051356006928
  9. Armaghan Hosseinizadeh, BCBASanta Ana, CA 927051023429180
  10. Nahal Hosseinzadeh, M.A., B.C.B.A.Garden Grove, CA 928401821336843
  11. Jennifer Hoster, M.A.Costa Mesa, CA 926261659600666
  12. Holland HothanIrvine, CA 926141427340694
  13. Priti Hotpeti, BCBASacramento, CA 958251548783673
  14. Shengkai HouCovina, CA 917241740050194
  15. Chase HoughtOrange, CA 928681225506314
  16. Kokou Romain HounkpeviEl Cajon, CA 920201073441028
  17. Lynda Hounshell, MS. ED, BCBASan Ramon, CA 945831720333016
  18. Behnaz HoushmandWoodland Hills, CA 913671912499476
  19. Heather HoustonOlivehurst, CA 959611902165384
  20. Nathaniel HoustonNorco, CA 928601578863775
  21. Christa HouthGarden Grove, CA 928401013417211
  22. Anna HovhanessianGlendale, CA 912031487248639
  23. Emma HovhannisyanBurbank, CA 915041992345151
  24. Diana Hovsepian, BCBALos Angeles, CA 900251508217894
  25. Alana HowardEl Segundo, CA 902451528986114
  26. Alisha Howard, BCBAConcord, CA 945201366840282
  27. Ellexus HowardStockton, CA 952071962904565
  28. Essini HowardLong Beach, CA 908071881179505
  29. Forrest Howard, BCBAHayward, CA 945411154874659
  30. Gioanna HowardSacramento, CA 958251811554413
  31. Jane Howard, PHDModesto, CA 953541427349646
  32. Sarah HowardCampbell, CA 950081033508767
  33. Elizabeth Howarth, PHD, BCBA-DSan Diego, CA 921281285080382
  34. Matthew Howarth, PHD, BCBA-DSan Diego, CA 921291629338082
  35. Holland HoweCamarillo, CA 930101609729417
  36. Lauren HoweSan Jose, CA 951281255807301
  37. Allison HowellSacramento, CA 958161306501242
  38. Daniel Howell, BCBA, JDHesperia, CA 923451285279133
  39. Mary Howell, MA, BCBASan Jose, CA 951261639552953
  40. Tim HowlandFair Oaks, CA 956281629545470
  41. Kristen HowlettLaguna Hills, CA 926531841777653
  42. Natalie Hoxie, BCBACarlsbad, CA 920081891128054
  43. Keionna HoyLos Angeles, CA 900161770272577
  44. Robert HrabakSacramento, CA 958221295207470
  45. Anthony HrebienOrange, CA 928681073072583
  46. Emily HrehaSacramento, CA 958311013643360
  47. Lindsey Hronek, PH.D., BCBA-DOxnard, CA 930301598302853
  48. Blanca HsiehAnaheim, CA 928041225417538
  49. Hsing-Hsiu Hsieh, BCBAWatsonville, CA 950761134442718
  50. Li-Chieh Hsieh, BCBASan Francisco, CA 941231336997659

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.