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 147 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. Emily GutierrezGilroy, CA 950201124584990
  2. Eric GutierrezSalinas, CA 939011659992782
  3. Frances GutierrezCosta Mesa, CA 926261215733993
  4. Gabriel GutierrezLake Forest, CA 926301508600792
  5. Gabriel GutierrezCorona, CA 928791285358630
  6. Gabriela GutierrezLos Angeles, CA 900431760279087
  7. Geyma GutierrezPoway, CA 920641013585348
  8. Gisell GutierrezArleta, CA 913311275181687
  9. Isabel GutierrezLos Angeles, CA 900431427926906
  10. Janine GutierrezCovina, CA 917241033961487
  11. Jasmine GutierrezModesto, CA 953551568066215
  12. Jennifer Gutierrez, MATorrance, CA 905051487413498
  13. Jessenia GutierrezRancho Cucamonga, CA 917301861325391
  14. Jessica GutierrezTemecula, CA 925901528538709
  15. Jose GutierrezSanta Clara, CA 950501356833818
  16. Juan Carlos GutierrezMarina Del Rey, CA 902921811353246
  17. Karen GutierrezWhittier, CA 906051376374421
  18. Karen GutierrezCorona, CA 928781992502348
  19. Karina-Alondra GutierrezSacramento, CA 958261679042469
  20. Kimberly GutierrezHayward, CA 945411790259661
  21. Lauren GutierrezCulver City, CA 902301427725639
  22. Maribel GutierrezMadera, CA 936371932684750
  23. Marissa Gutierrez, BCBAVan Nuys, CA 914061275111452
  24. Mary Gutierrez, MS, BCBAEncino, CA 914361659891620
  25. Matthew GutierrezCosta Mesa, CA 926261952990335
  26. Matthew GutierrezGrover Beach, CA 934331841905825
  27. Mayte GutierrezGarden Grove, CA 928401679033294
  28. Nancy GutierrezCovina, CA 917241689358715
  29. Natalie GutierrezStudio City, CA 916041508485731
  30. Paola GutierrezAlameda, CA 945011891267233
  31. Priscilla Gutierrez, BCBA 1-23-66763San Diego, CA 921281376149054
  32. Rebecca Gutierrez, M.S., BCBAEscondido, CA 920251669809950
  33. Reyna GutierrezPasadena, CA 911071689214421
  34. Rick Gutierrez, BCBARancho Cucamonga, CA 917301689974917
  35. Rocio GutierrezSanta Clara, CA 950501023573813
  36. Samuel GutierrezSan Ramon, CA 945831982050464
  37. Silvia Gutierrez, BCBAOrange, CA 928681760946008
  38. Vanidi GutierrezModesto, CA 953501053763383
  39. Zaneta GutierrezWoodland Hills, CA 913671487463584
  40. Zuleyka GutierrezPalmdale, CA 935511033064506
  41. Josefina Gutierrez De Roman, R.N.Santa Ana, CA 927011710355136
  42. Domingo Gutierrez Mejia, BCBANorthridge, CA 913241811556368
  43. Kassandra Gutierrez PenaEl Segundo, CA 902451649196064
  44. Aidee Gutierrez ValenciaLos Angeles, CA 900151669211025
  45. Luis Gutierrez VegaSacramento, CA 958281639598923
  46. Rachell Gutierrez ZuazoCosta Mesa, CA 926261770316341
  47. Tania Gutierrez-LariosSan Bruno, CA 940661619483708
  48. Serena GutridgeWalnut Creek, CA 945961124740154
  49. Katharine Gutshall, M.A., B.C.B.A.Tarzana, CA 913561669701611
  50. Ryan Gutterson-Cahill, B.C.B.A.Sherman Oaks, CA 914031972940963

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.