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 347 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. Sierra SingharathAntioch, CA 945311215428107
  2. Jazmin SingletaryCosta Mesa, CA 926261487291167
  3. Annastia SingletonOakland, CA 946091063305639
  4. Carol SingletonSacramento, CA 958641407215288
  5. Melissa SingletonTrabuco Canyon, CA 926791841612371
  6. Solita SingletonFort Irwin, CA 923101922735448
  7. Janet SinhbandithWalnut Creek, CA 945981013389832
  8. Martine Sinkondo, BCBAPetaluma, CA 949541215597737
  9. Erika Sinn, BCBAGardena, CA 902481902223415
  10. Gabriel SiordiaRancho Cucamonga, CA 917301013882471
  11. Cindy SipaquePasadena, CA 911061255035895
  12. Samantha SipesVista, CA 920811881101632
  13. Abigail SippelRoseville, CA 956611952869125
  14. Jovanny Siqueiros JuarezSan Diego, CA 921011215718929
  15. Sarahi Siqueiros VillaCosta Mesa, CA 926261134941057
  16. Trishta Siqueiros-VillaltaLa Quinta, CA 922531720512841
  17. Xiomara SiripaneBakersfield, CA 933091194608125
  18. Tyler SisonSan Mateo, CA 944011629441340
  19. John Oliver Sistona, MA, BCBASan Diego, CA 921211699178400
  20. Shera SistrunkRancho Cordova, CA 956701477471597
  21. Megan SitchlerWoodland Hills, CA 913671790378370
  22. Jenny SituEl Segundo, CA 902451699232744
  23. David SivardOrange, CA 928681851889885
  24. Alanna SivilsAtascadero, CA 934221487103669
  25. Ann Katrin Sjolund, M.S., BCBALos Angeles, CA 900451912262114
  26. Lisa SkafEncino, CA 914361487491643
  27. Nikol SkerlepCosta Mesa, CA 926261508748195
  28. Alexis Skidmore, BA PSYCHOLOGYRoseville, CA 956611033608914
  29. Mykai SkinnerWildomar, CA 925951255265153
  30. Molly Skipper, BCBAManteca, CA 953371427837251
  31. Mychal Skipper, HIGH SCHOOL DIPLOMAWalnut Creek, CA 945961346685393
  32. Tahleeya SkipperChula Vista, CA 919141447843461
  33. Nala SkipwithConcord, CA 945201912715509
  34. Romi SklarLos Gatos, CA 950321447097365
  35. Crystal Slanzi, M.S. BCBASan Francisco, CA 941111659606887
  36. Jasmine SlaterCosta Mesa, CA 926261063096659
  37. Amara SleddAlameda, CA 945011215401559
  38. Joshua Sleeper, BCBASan Jose, CA 951261346661246
  39. Jenna Sleichter, BCBASan Diego, CA 921201255655395
  40. Jody Slendebroek, BCBABerkeley, CA 947101245624832
  41. Elizabeth Slifer, BA OF PSYCHOLOGYRidgecrest, CA 935551912583139
  42. Marina SloanSan Diego, CA 921081083307888
  43. Savannah SloanBakersfield, CA 933121073336541
  44. Noelle SloatSan Bernardino, CA 924071326623141
  45. Piper SloneBeaumont, CA 922231174861504
  46. Jacob SloukaChula Vista, CA 919101174055198
  47. Crystal Slowik, BCBASan Diego, CA 921231861909392
  48. Sabrina SlusserGrover Beach, CA 934331417692617
  49. Tara SluyterWatsonville, CA 950761396085361
  50. Gregory SlyWalnut Creek, CA 945971902287402

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.