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 304 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. Ryan ReichelSan Francisco, CA 941031144691460
  2. Ethan ReicherterSan Francisco, CA 941121467374512
  3. Lisa ReichweinSan Diego, CA 921031215475009
  4. Darius ReidFresno, CA 937101730014416
  5. Savannah Reid, BCBAOrange, CA 928681861952426
  6. Tina ReidPalm Desert, CA 922601699311274
  7. Corey ReiersonSacramento, CA 958251245699891
  8. Lindsey Reifinger, BCBAAtascadero, CA 934221184913857
  9. Jason Reilly, M.A., BCBASan Diego, CA 921081366899759
  10. Nichole Reilly, BCBAHuntington Beach, CA 926491033514740
  11. Shana Reilly, M.S., B.C.B.A.Los Angeles, CA 902481922427442
  12. Elishia ReinaValencia, CA 913551043646862
  13. Melissa Reiner, M.ED.Irvine, CA 926121982119087
  14. Anna Reiners, BCBAOakland, CA 946051730693458
  15. Hannah Reinhard, BCBASan Diego, CA 921231730654211
  16. Emily Reinheimer, BCBASan Francisco, CA 941071891230314
  17. Melanie ReisSan Diego, CA 921031770999856
  18. Billiemarie ReiterTustin, CA 927801740965789
  19. Elline ReiterSan Clemente, CA 926731194342444
  20. Julia ReiterLaguna Hills, CA 926531205479250
  21. Kinderly ReiterOakland, CA 946061861973927
  22. Samuel ReitzRiverside, CA 925071780144345
  23. Sofia Rejon, BCBAIrvine, CA 926121417235458
  24. John RemsingOntario, CA 917641184090268
  25. Krista RenAlameda, CA 945011730849191
  26. Gloria RenaudinChula Vista, CA 919141205764750
  27. Julian RenderNorco, CA 928601417808239
  28. Ana RendonCorona, CA 928791467294579
  29. Andrea RendonCosta Mesa, CA 926261699464495
  30. Angelica RendonValencia, CA 913551982991493
  31. Monica RendonSan Diego, CA 921051245922947
  32. Yohana RendonWoodland Hills, CA 913671508403825
  33. Zeus Albert RendonCovina, CA 917241649157710
  34. Riki Renfro, BCBAGardena, CA 902481003671470
  35. Alexandra RenfrowPismo Beach, CA 934491154782001
  36. Edward RenkorWhittier, CA 906031134889330
  37. Anahita RennerLaguna Hills, CA 926531275896607
  38. Charlene RennerValencia, CA 913551639502461
  39. Erin RennerSouth San Francisco, CA 940801437616851
  40. Ryan Renner, BCBALaguna Hills, CA 926531932462363
  41. Adrienne Renoir-PalecekModesto, CA 953541124521786
  42. Lindsey RenshawCitrus Heights, CA 956101750749677
  43. Alicia RenteriaMenifee, CA 925841902361801
  44. Denice Renteria, BCBAEl Segundo, CA 902451689059354
  45. Edgar RenteriaOntario, CA 917641467030635
  46. Juanita RenteriaFresno, CA 937211295699569
  47. Monique RenteriaSanta Fe Springs, CA 906701710442397
  48. Scarllett RenteriaSacramento, CA 958251063087872
  49. Xochitl RenteriaSan Diego, CA 921081841135753
  50. Yadira RenteriaLos Angeles, CA 900421437700861

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.