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 399 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. Alexandra Wolff, BCBAModesto, CA 953551790291037
  2. Courtney Wolff, BCBA, LBAStockton, CA 952071184803199
  3. Brittany WolfgangCamarillo, CA 930101558137976
  4. Stephanie Wolfley, M.A, BCBAStockton, CA 952101083065346
  5. Anna WolfsonDanville, CA 945261104322189
  6. Brittany Wolfson, BCBAMonrovia, CA 910161962775148
  7. Mark WollmanSan Diego, CA 921231346069754
  8. Kinga Wolos-Zachmeier, M.A., BCBAPalo Alto, CA 943061063807881
  9. Allison Womack, M.A.Sacramento, CA 958181861725780
  10. Adriel WongAlameda, CA 945011861913824
  11. Alfred WongSan Bruno, CA 940661104487156
  12. Alison WongSan Mateo, CA 944011750734869
  13. Allyson WongDaly City, CA 940151073122768
  14. Audrey WongGarden Grove, CA 928401609497312
  15. Austin WongThousand Oaks, CA 913601922579077
  16. Belinda Wong, M.ED, BCBAHuntington Beach, CA 926491952863839
  17. Chris WongRancho Cucamonga, CA 917301881179034
  18. Christopher Wong, MA, BCBAOntario, CA 917641508377268
  19. Cindy Wong, MS, BCBAAzusa, CA 917021578412227
  20. Connie Wong, PH.D., BCBA-DOntario, CA 917641861768723
  21. Daniel WongAlameda, CA 945011134785744
  22. David WongRiverside, CA 925071487184057
  23. Diana WongLos Angeles, CA 900101447747357
  24. Elizabeth WongRosemead, CA 917701043705429
  25. Elizabeth Wong, MS, BCBAIrvine, CA 926181366039018
  26. Emily WongHayward, CA 945451073083515
  27. Gabrielle WongSan Francisco, CA 941031871031229
  28. Hana WongSan Mateo, CA 944011669309019
  29. Henry Wong, MSBrea, CA 928211336907682
  30. Jamie Wong, MA, BCBAPasadena, CA 911051346763364
  31. Jane WongCosta Mesa, CA 926261235942004
  32. Joanna Wong, MSSan Ramon, CA 945831538674007
  33. Joy Wong, BCBAEncino, CA 914361194007054
  34. Karen Wong, BSSan Bruno, CA 940661447741053
  35. Kasin WongGardena, CA 902481578010880
  36. Katie WongNorco, CA 928601184381386
  37. Li Wong, BCBAPasadena, CA 911061407148752
  38. Ling Wong, M.A., B.C.B.A.Fresno, CA 937271750684973
  39. Mary Wong, PSY.D., BCBASan Francisco, CA 941221811447444
  40. Matthew WongDaly City, CA 940151578123477
  41. Maxine WongSan Jose, CA 951361558854034
  42. Megan WongVictorville, CA 923921093277261
  43. Miki WongCosta Mesa, CA 926261679081699
  44. Nicholas WongOrange, CA 928681114301488
  45. Su Wong, M.S., BCBAPasadena, CA 911011679948574
  46. Tamera Wong, BCBALompoc, CA 934361215273354
  47. Tracey WongSan Jose, CA 951121881051977
  48. Zaira Wong LaraRocklin, CA 956771730697798
  49. Jessica WooWalnut, CA 917891700528023
  50. Maggie WooCovina, CA 917241033744933

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.