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 269 of 407.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 103K00000X · method

Costa Mesa has the most, 1,239

Behavior Analyst records in California

  1. Gina Ohaco, M.A., B.C.B.A.Somerset, CA 956841538660519
  2. Timothy Ohara, BCBACitrus Heights, CA 956211013306935
  3. Shaila Ohlman, BCBAValencia, CA 913551518341858
  4. Marliza OinezaFremont, CA 945381053812610
  5. Abigail OjedaSherman Oaks, CA 914031396402061
  6. Ana OjedaMenifee, CA 925851407364235
  7. Elysia OjedaWildomar, CA 925951013853613
  8. Laura Ojeda, BCBAAnaheim, CA 928011215496740
  9. Kristin OkaNewport Beach, CA 926601770140139
  10. Josephina OkaiSacramento, CA 958311053086512
  11. Heidi Okamoto, B.C.B.A.San Leandro, CA 945771962758318
  12. Mia Angela Okamoto, M.S.Santa Clara, CA 950541255740213
  13. Shane Okamoto, BCBA, MEDSanta Clarita, CA 913501538949490
  14. Okenwa OkeCosta Mesa, CA 926261861278939
  15. Adaku OkekeHayward, CA 945411063997740
  16. Oladayo OkosunModesto, CA 953501528704517
  17. Eugina OkparaFresno, CA 937111922655349
  18. Goodnews OkponLos Angeles, CA 900101063184836
  19. Nalanie OkumaNewport Beach, CA 926601467328856
  20. Lindsey OkunoWhittier, CA 906051689596462
  21. Jayda OlaesFremont, CA 945381659864791
  22. Emiliano OlaguePasadena, CA 911061902754625
  23. Rebecca OlaguezRancho Cucamonga, CA 917301437817574
  24. Erica OlaldeIndio, CA 922011881324861
  25. Bozena OlanoPleasanton, CA 945881376044644
  26. Allison OlariuCosta Mesa, CA 926261215817283
  27. Anamaria OlaruCampbell, CA 950081578056891
  28. Natalia OlayaCorona, CA 928791104709351
  29. Brianna OldroydAlameda, CA 945011730545906
  30. Justina OleaElk Grove, CA 956241790334654
  31. Cydnie OleinickNovato, CA 949451598148884
  32. Leon Olevsky, BCBATarzana, CA 913561366180291
  33. Isabel OlideEncino, CA 914361609714328
  34. Natalie Olinik LimRohnert Park, CA 949281790257871
  35. Cindy OlivaPort Hueneme, CA 930411558254441
  36. Eliza OlivaAntioch, CA 945091538659859
  37. Jessica OlivaSalinas, CA 939011275243917
  38. Lua OlivaSan Mateo, CA 944021033684865
  39. Kelin Oliva UmanaWoodland Hills, CA 913671508328535
  40. Maureen Olivar-KimConcord, CA 945191497399695
  41. Chloe OlivaresThousand Oaks, CA 913601033894233
  42. Daisy OlivaresWoodland Hills, CA 913671215407424
  43. Griselda Olivares, BSOakland, CA 946061598539009
  44. Jennifer Olivares, BCBAOntario, CA 917641528425253
  45. Nerildy OlivaresStockton, CA 952071689254690
  46. Vanessa Olivares, MS, BCBAEncino, CA 914361467152058
  47. Yadira Olivas, MAImperial, CA 922511588243752
  48. Megan OliveiraNovato, CA 949451477893170
  49. Terri OliveiraBeaumont, CA 922231952645632
  50. Dawn Oliveira-Maxfield, BCBAFremont, CA 945381174925739

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.