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 231 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. Cameron Matthews, BCBAOakland, CA 946091679171870
  2. Ella MatthewsNorthridge, CA 913241598646408
  3. Jaclyn MatthewsEncinitas, CA 920241417496175
  4. Keisha MatthewsMoreno Valley, CA 925511952935884
  5. Kenya MatthewsPittsburg, CA 945651407331648
  6. Lisa MatthewsEncino, CA 913161902256381
  7. Taquoryiea MatthewsMoreno Valley, CA 925571144789181
  8. Lucina MattilaCosta Mesa, CA 926261356107759
  9. Victoria Mattimore, M.A.San Leandro, CA 945771093263709
  10. Jenna Mattingly, BCBAManhattan Beach, CA 902661205199080
  11. Julie Mattingly, BCBARancho Cucamonga, CA 917301952890600
  12. Erika MattisonPleasanton, CA 945881124596564
  13. Skyler MattosFresno, CA 937101396528998
  14. Christopher MattoxValley Vlg, CA 916071346049939
  15. Rachel Mattson, MA, BCBALaguna Hills, CA 926531235592767
  16. Jason Matty, M.ED., PPS, BCBASan Jose, CA 951281891054276
  17. Aracely MaturinoCulver City, CA 902301487253563
  18. Xavier MatusCosta Mesa, CA 926261992443667
  19. Anthony Mauceri, MAWoodland Hills, CA 913671225517527
  20. Caress Mauhili, M.S.,BCBAHuntington Beach, CA 926491588183347
  21. Jenny MauldinLong Beach, CA 908151144098187
  22. Lorenzo MauldinSacramento, CA 958231033473046
  23. Heather MaurinCorralitos, CA 950761497172662
  24. Andrea MaushardtWhittier, CA 906051609669571
  25. Tiffany MaustellerStockton, CA 952071689117343
  26. Darlene MauzeSan Diego, CA 921011972329183
  27. Janelle MaxonGarden Grove, CA 928401275007379
  28. Jennifer MaxonSan Diego, CA 921071821518291
  29. Akilah MaxwellCosta Mesa, CA 926261144090457
  30. Rachel MaxwellSan Diego, CA 921221992385157
  31. Aaron MayOntario, CA 917611306434360
  32. Javon May, BCBALakewood, CA 907121578071791
  33. Kathleen May, BCBAOceanside, CA 920571003799289
  34. Leticia MayOntario, CA 917611750177655
  35. Kimberly Maya GomezCosta Mesa, CA 926261982407078
  36. George Mayer, ED.D., BCBASan Diego, CA 921311477878346
  37. Jon MayerCosta Mesa, CA 926261073037693
  38. Krista MayerLos Angeles, CA 900201407443765
  39. Roya Mayer, BCBALos Angeles, CA 900491982877304
  40. Sarah Mayfield, BCBAAlameda, CA 945011386900223
  41. Alyssa Mayfield-Hom, MA, BCBATorrance, CA 905011649511700
  42. Ryan Mayhew, BCBAThousand Oaks, CA 913601316434152
  43. Elizabeth MayoOrange, CA 928681902362429
  44. Sean MayoAlameda, CA 945011538645031
  45. Karen MayorgaWoodland Hills, CA 913671508321316
  46. Mariana MayorgaRiverside, CA 925071770094146
  47. Monique MayorgaAlameda, CA 945011619440674
  48. Rebecah MayorgaGilroy, CA 950201861115347
  49. Jennifer Mayorga Martinez, NONEGardena, CA 902481609509827
  50. Celina Mayorga Quant, BCBASacramento, CA 958271518455880

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.