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 280 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. Angela Patricelli, BCBASan Diego, CA 921231285933689
  2. Kylie PatrickCorona, CA 928791467067033
  3. Steven PatrickPleasanton, CA 945661619639085
  4. Tawana PatronNapa, CA 945581942958269
  5. Taylor Patten, BCBASan Luis Obispo, CA 934011811497241
  6. Amy Patterson, BCBAFresno, CA 937101427435122
  7. Ana PattersonLos Angeles, CA 900641932600095
  8. Cadie PattersonWoodland Hills, CA 913671750962809
  9. Christina PattersonStockton, CA 952071386389377
  10. Jada PattersonVictorville, CA 923941578285961
  11. Jennifer PattersonYuba City, CA 959911194362830
  12. Marie PattersonSan Rafael, CA 949031366054462
  13. Marissa PattersonClovis, CA 936111861040339
  14. Meghan PattersonRiverside, CA 925031053632497
  15. Rosa Patterson, BCBASanta Ana, CA 927051376975987
  16. Alexandria PattonStudio City, CA 916041386078038
  17. Artist PattonTorrance, CA 905051194280065
  18. Lyndsi Patton, BCBAChino Hills, CA 917091588005847
  19. Megan PattonFairfield, CA 945341770028151
  20. Melissa Patton, BCBAHuntington Beach, CA 926481104360205
  21. Richa PatwardhanMountain View, CA 940401295300549
  22. Frances PaukenVan Nuys, CA 914061699250431
  23. Aira PaulOxnard, CA 930301275341687
  24. Alyssa PaulThousand Oaks, CA 913601962212795
  25. Anuriiti PaulMountain View, CA 940401164027488
  26. Jane Paul, PHDSacramento, CA 958271932541125
  27. Naomi PaulSan Diego, CA 921231023706645
  28. Rochalla PaulRiverside, CA 925031588382162
  29. Tilar PaulElk Grove, CA 957581679064521
  30. Jeffrey PaularOakland, CA 946061437651577
  31. Heather Pauley, BCBASan Diego, CA 921231699240051
  32. Daniel Paulin, BSAnaheim, CA 928051154907467
  33. Nicole PaulinSan Diego, CA 921111578061164
  34. Erika PauloElk Grove, CA 957581710478482
  35. Erin Paulsen, BCBAFresno, CA 937221417317314
  36. Kellie Paulsen, M.A., BCBAStockton, CA 952071174067623
  37. Kyle PaulsonWalnut Creek, CA 945961144003526
  38. Rebecca Pauly, BCBAPalo Alto, CA 943011093179558
  39. Beth Pavez, PHD MA BCBAEncinitas, CA 920241831446939
  40. Danielle Pavia, MA, BCBA, LBASacramento, CA 958251134640188
  41. Jessica PaviaPalmdale, CA 935501518393115
  42. Ana Pavia GonzalezLa Mesa, CA 919411003439571
  43. Austin PavinSan Diego, CA 921211215473061
  44. Anthony Pavlacka, BCBASan Diego, CA 921231588079669
  45. Alisha Pavone, B.A.Fresno, CA 937201982163309
  46. Judy PawidLakewood, CA 907131770043424
  47. Adair PayanChula Vista, CA 919101811575400
  48. Vianey PayanChula Vista, CA 919111043162894
  49. Antoinetta PayneLong Beach, CA 908061700525748
  50. Christina PayneCosta Mesa, CA 926261770161945

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.