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 345 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. Kristen Silliman, M.A., BCBASacramento, CA 958261821389156
  2. Adrienne Silva, BCBASan Clemente, CA 926731255733416
  3. Alex Silva, M.A., BCBAIrvine, CA 926141558801712
  4. Amanda SilvaBrentwood, CA 945131659850949
  5. Ashley SilvaSacramento, CA 958261689132912
  6. Briana SilvaAnaheim, CA 928011154989473
  7. Erika SilvaTracy, CA 953761316424070
  8. Evelyn SilvaFresno, CA 937101205393527
  9. Jaquelin SilvaWoodland Hills, CA 913671801395827
  10. Kandyce SilvaAlhambra, CA 918031639989817
  11. Malia SilvaGrover Beach, CA 934331366083750
  12. Matthew SilvaCosta Mesa, CA 926261992382402
  13. Mauricio SilvaMonrovia, CA 910161104331412
  14. Mia SilvaWildomar, CA 925951366380461
  15. Nichole SilvaGilroy, CA 950201730856931
  16. Oscar SilvaLos Angeles, CA 900381245618784
  17. Sara SilvaYuba City, CA 959911851861322
  18. Savanna SilvaVisalia, CA 932771043818123
  19. Savannah SilvaTulare, CA 932741982264594
  20. Stephanie SilvaOntario, CA 917611134627193
  21. Yessenia SilvaEl Centro, CA 922431912373606
  22. Vanesa Silva JaimeMenifee, CA 925841144719865
  23. Paola Silva-SerranoColton, CA 923241417870544
  24. Rebecca Silvas, MARiverside, CA 925011497478572
  25. Chelsea Silveira Burgos, BCBAManteca, CA 953371184125429
  26. Tracey Silveira-Zaldivar, BCBABrea, CA 928211013271139
  27. Danielle Silverman, BCBACamarillo, CA 930101467824367
  28. Erin SilvermanCalabasas, CA 913021225503980
  29. Melissa SilversteinSan Diego, CA 921231689240566
  30. Chiara SilvestreCosta Mesa, CA 926261902676406
  31. Jimmy Silvestre, BCBACulver City, CA 902301952716144
  32. Jordana Silvestre, BCBALos Angeles, CA 900101154736320
  33. Michelle SilvieraGilroy, CA 950201295381499
  34. Vesakha-Manorae SimRancho Cucamonga, CA 917301538036199
  35. Fetric SimbolonLoma Linda, CA 923541952717019
  36. Maynova SimbolonOntario, CA 917641821841008
  37. Lauri SimchoniEncino, CA 913161457705865
  38. Joshua SimeoneSan Diego, CA 921031659819043
  39. Gabriel SimkoverOakland, CA 946061073016655
  40. Bryan Simmons, MS, BCBA, LBAChino, CA 917081558845735
  41. Elayne SimmonsLos Angeles, CA 900261154648095
  42. Famh Seng SimmonsConcord, CA 945201902457633
  43. Jayson SimmonsPomona, CA 917661336780055
  44. Joshua Simmons, ABAMonrovia, CA 910161427912294
  45. Kaitlin SimmonsScotts Valley, CA 950661609345586
  46. Rachael SimmonsGarden Grove, CA 928401215465190
  47. Robert Simmons, MS, BCBAHuntington Beach, CA 926491245890565
  48. Sophida Simmons, BEHAVIOR ANALYSTSan Bernardino, CA 924081366969214
  49. Renae Simms, MSCorona, CA 928791003329368
  50. Judy Simon, BCBAAlameda, CA 945011093154049

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.