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 400 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. Nicholas Woo-VonhoogenstynEl Cajon, CA 920201316447089
  2. Ashley Wood, M.S., BCBAMadera, CA 936361326821497
  3. Holli Wood, BCBASacramento, CA 958251346756608
  4. Madison WoodChula Vista, CA 919141952756702
  5. Matthew WoodCarlsbad, CA 920081154926566
  6. Samantha WoodSan Diego, CA 921261760326698
  7. Tricia Wood, M.A., B.C.B.A.Arcata, CA 955211508226846
  8. Amy WoodardVictorville, CA 923921912349044
  9. Kaya WoodardAtascadero, CA 934221114534534
  10. Shayla WoodardCosta Mesa, CA 926261194600643
  11. Holly WoodburySacramento, CA 958311174115604
  12. Rebecca Woode, BCBAIrvine, CA 926121457824948
  13. Katherine Woodhouse, BCBAArcadia, CA 911011730442237
  14. Bradley WoodsRedding, CA 960021457244550
  15. Rosita Woods, M.S.Victorville, CA 923921407104656
  16. Ross Woods, M.A., B.C.B.A.Vallejo, CA 945901871834283
  17. Stephany WoodsEl Centro, CA 922431427698422
  18. Tanya WoodsTemecula, CA 925921477209013
  19. Marian Woodside, BCBAAlameda, CA 945011821480229
  20. Carrie Woodward, MS, BCBALong Beach, CA 908081023375508
  21. Julie Woodward, BCBARocklin, CA 956771174891956
  22. Monica WoodworthPalo Alto, CA 943061194366740
  23. Elbria WooleyLong Beach, CA 908071487156063
  24. Jennifer Woolfoot, B.C.B.A.Watsonville, CA 950761124493366
  25. Evelynn WoolleySpring Valley, CA 919771619738283
  26. Caitland WoolseyCosta Mesa, CA 926261124731591
  27. Julie WootonGarden Grove, CA 928401356925564
  28. Cheri Worcester, EDD, BCBA-D, LBAOakley, CA 945611912267055
  29. Madeline WordenSan Mateo, CA 944021285126094
  30. Valerie Workman Macias, BCABASan Diego, CA 921281386155687
  31. Brennon WorleyConcord, CA 945201073310710
  32. Cheyenne Worley, BCBABakersfield, CA 933141497642458
  33. Jermishia WorleyBrentwood, CA 945131063045078
  34. Katie WorleyWildomar, CA 925951508746140
  35. Erin Worm, MA, BCBAOakland, CA 946061790143428
  36. Anne WormaldMarina, CA 939331225671308
  37. April Worsdell, PH.D., BCBA-DEncinitas, CA 920241558622274
  38. Natalie WratschkoCerritos, CA 907031609271766
  39. Briar WrenWoodland Hills, CA 913671053897751
  40. Andrea Wright, MSW, BCBAAptos, CA 950031437439122
  41. Apryl WrightMenifee, CA 925841447033139
  42. Cheyenne WrightSan Diego, CA 921081518467281
  43. Cynthia WrightSan Francisco, CA 941211578929378
  44. Jo Anna Wright, MS, BCBAOntario, CA 917641396246039
  45. Katherine WrightSanta Rosa, CA 954041396174827
  46. Laurel Wright, BCBARancho Cordova, CA 956701184126591
  47. Mary Wright, BCBAGardena, CA 902481134091028
  48. Michelle WrightTemecula, CA 925901144671611
  49. Shanice WrightTorrance, CA 905021932694627
  50. Spencer WrightGardena, CA 902481780301689

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.