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 112 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. Monica FernandezCosta Mesa, CA 926261124798244
  2. Precious FernandezMonrovia, CA 910161750921276
  3. Ruben FernandezFresno, CA 937101538626908
  4. Ruby FernandezNewport Beach, CA 926601669151973
  5. Seanna FernandezPalm Springs, CA 922621902536535
  6. Stephanie Fernandez, BCBARiverside, CA 925091912512237
  7. Taylor Fernandez, BCBAMurrieta, CA 925631952969610
  8. Melissa Fernandez AguayoCosta Mesa, CA 926261548121437
  9. Guadalupe Fernandez AlvarezBakersfield, CA 933091780307785
  10. Melissa Fernandez MaciasRancho Cucamonga, CA 917301114872918
  11. Leticia Fernandez-AcostaDavis, CA 956181134926553
  12. Fabiola Fernandez-DiazGilroy, CA 950201659863900
  13. Nuwan FernandoIrvine, CA 926141275194599
  14. Amanda FerraraRancho Cucamonga, CA 917301285585745
  15. Abigail Ferree, BCBAWest Covina, CA 917901104199066
  16. Natalie FerreiraSan Diego, CA 921231770081275
  17. Tassia FerreiraCitrus Heights, CA 956101730713579
  18. Daniel FerrellMonterey Park, CA 917541508511262
  19. Jennifer Ferrer, MSSacramento, CA 958331063913291
  20. Mariah FerrerMonrovia, CA 910161245814821
  21. Matthew FerrerDublin, CA 945681952865958
  22. Markeline FerreraWoodland Hills, CA 913671407335615
  23. Ellie FerreroIrvine, CA 926141578330189
  24. Leyly FerrignoTorrance, CA 905051962065144
  25. Isaac FerrufinoNorthridge, CA 913241285274431
  26. Natalie FerrufinoSan Bruno, CA 940661730644022
  27. Reed FessWildomar, CA 925951306712864
  28. Ruth FessCosta Mesa, CA 926261750925673
  29. Gregory Fetterly, BAMonrovia, CA 910161518495365
  30. Amber FewerOntario, CA 917641316759715
  31. Lisa Fhagen, M.S.ED, BCBADowney, CA 902421407246762
  32. Marcy FibrowTemecula, CA 925901124558804
  33. Michelle Ficcaglia, PHD BCBABurlingame, CA 940101760755482
  34. Stephanie Fichtel, M.A., BCBASan Mateo, CA 944011659935971
  35. Katelyn FickNorthridge, CA 913241134933005
  36. Jessica Fickle, BCBAOakland, CA 946121134603525
  37. Benjamin FicocielloPalo Alto, CA 943061104227818
  38. Matthew FidukCosta Mesa, CA 926261871097709
  39. Dani FiebelkornChula Vista, CA 919101356849228
  40. Julia Fiebig, BCBASan Francisco, CA 941171902160328
  41. Alexander FieldSacramento, CA 958151386114833
  42. Lisa FieldSan Francisco, CA 941151487084026
  43. Mercedes FieldingOrange, CA 928681780336578
  44. David Fields, RRWSacramento, CA 958411164704292
  45. James Fields, BCBALos Angeles, CA 900431417750654
  46. Onastacia FieldsConcord, CA 945201700607504
  47. Tuiana FieldsSan Jacinto, CA 925831598455396
  48. Terry FierroWalnut Creek, CA 945961851948665
  49. Araceli FierrosBakersfield, CA 933121427775899
  50. Kelsey Fieser, BCBASan Diego, CA 921051215605027

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.

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.