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 223 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. Shai Maor, BAGlendale, CA 912081760849574
  2. Blake MaplesMcKinleyville, CA 955191346774130
  3. Danielle MapoteCosta Mesa, CA 927071912730185
  4. David MappesIrvine, CA 926061215414339
  5. Allen MaraCosta Mesa, CA 926261548158512
  6. Dana MaraachStockton, CA 952071942764295
  7. Jaspreet MaraharSan Mateo, CA 944011194129213
  8. Kristine Bea MarambaOrange, CA 928681194233031
  9. Elizabeth Maramot-StallingsValley Village, CA 916071619565785
  10. Joyce MarashlianRedwood City, CA 940651750737508
  11. Jiarra Marasigan-PasetHuntington Beach, CA 926491629533682
  12. Sabrina Marasovich, BCBATorrance, CA 905011740544121
  13. Adrian MaravillaBonita, CA 919021407623416
  14. Irisbelle MaravillaHayward, CA 945451043712268
  15. Noel MarcaidaFairfield, CA 945331245701622
  16. Sarai Marcelin, MAEscondido, CA 920251649788787
  17. Hillary Marcella, BCBASanta Ana, CA 927051205349180
  18. Janice MarchSan Diego, CA 921101639757065
  19. Teal MarchandeWhittier, CA 906021972978229
  20. Jaclyn MarchioOakland, CA 946121942776794
  21. Monserrat Marcial Mier, BCBAChula Vista, CA 919111093308496
  22. Domingo MarcosDowney, CA 902421881236149
  23. Elaina MarcumTracy, CA 953761225980154
  24. Jessica Marcus-Gomez, BCBAPinole, CA 945641386122653
  25. Kacie Marczuk, BAWestlake Village, CA 913621043721327
  26. Maya Mardam BeyOrange, CA 928651588243596
  27. Viken MardirosianEncino, CA 914361295107803
  28. Tatianna Marecz, M.ED., BCBA, LBASan Diego, CA 921081841070844
  29. Mark MarellaRancho Cucamonga, CA 917391073149472
  30. Madison MarerAgoura, CA 913011023651460
  31. Griselda Mares, MSPerris, CA 925711104468552
  32. Ingrid Mares, M.ED. BCBASylmar, CA 913421194365734
  33. Rebecca Mares, BCATGilroy, CA 950201558847574
  34. Ireri Mares-AndradeCosta Mesa, CA 926261275315533
  35. Randi MargarianOceanside, CA 920581811370422
  36. Nicholas MargariteModesto, CA 953541144753732
  37. Brigitta MariaHayward, CA 945441689291106
  38. Olga MariaVictorville, CA 923921891293999
  39. Lourdes Maria PenaDavis, CA 956181477198836
  40. Robyn Marian, BCBASan Diego, CA 921081912489030
  41. Natalia Mariani, BCBASacramento, CA 958251124503172
  42. Cierra Mariano, MA, BCBA, LBAVallejo, CA 945901285379149
  43. Frances Anne MarianoWalnut Creek, CA 945961952912453
  44. Sabiniano MarianoCastro Valley, CA 945461114568011
  45. Naomi Lizelle Mariano-GadgodeWalnut Creek, CA 945961689150906
  46. Sherry Marietta, M.A. BCBAConcord, CA 945191891153532
  47. Margaret Marilla, BCBACanyon Lake, CA 925871578941647
  48. Adriana MarinPoway, CA 920641609479872
  49. Diana MarinDublin, CA 945681508550146
  50. Esmeralda MarinPalmdale, CA 935511366237356

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.