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 319 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. Savannah RomeroRancho Cucamonga, CA 917301396601662
  2. Sebastian RomeroSan Jose, CA 951251407550072
  3. Tania RomeroThousand Oaks, CA 913601558078188
  4. Yvonne Romero, BCBAOakland, CA 946061811499288
  5. Sayra Romero CejaMadera, CA 936371922599265
  6. Yvette Romero De RosasLancaster, CA 935341588304091
  7. Vianey Romero GarciaWildomar, CA 925951508736968
  8. Suleima Romero GuzmanSan Mateo, CA 944021932697901
  9. Yngri Romero RomeroDavis, CA 956181740756832
  10. Susana Romero-HernandezHacienda Heights, CA 917451134806300
  11. Maritza Romero-Ramon, BCBABakersfield, CA 933091558825794
  12. Kimberlee Romick, MA, BCBABerkeley, CA 947101982967691
  13. Brooke RomleySan Diego, CA 921281194227082
  14. Abril RomoCosta Mesa, CA 926261871210468
  15. Alejandra RomoWoodland Hills, CA 913671447897848
  16. Alejandra Romo, BCBASanta Ana, CA 927051518528470
  17. Andrea Romo, ASSOCIATESCosta Mesa, CA 926261912870569
  18. Cristina RomoMoreno Valley, CA 925551760247324
  19. Daisy Romo, BCBATracy, CA 953771306337480
  20. Gloria RomoSan Diego, CA 921201750120390
  21. Eileen Romulo, BCBAOntario, CA 917641568826295
  22. Nicole RoncaglioloNorthridge, CA 913241447730213
  23. Jennifer Rondinelli, MASTER EDUCATIONTustin, CA 927801396250668
  24. Katelyn RongenSanta Ana, CA 927061801353198
  25. Audrey RonquilloFontana, CA 923361518405893
  26. Daniel RonquilloCosta Mesa, CA 926261639998859
  27. Kelly RonquilloFresno, CA 937111861113177
  28. Katrina Rooney, MASan Diego, CA 921231073015889
  29. Ian Roos, B.A.Fresno, CA 937111477905438
  30. Jonathan RoosLos Angeles, CA 900451154687564
  31. Jason RoperSacramento, CA 958261255803474
  32. Jocelyn RoqueSan Jose, CA 951331285114942
  33. Audrey RoquezaSan Jose, CA 951281639675101
  34. Phoungmala RosSacramento, CA 958201275103681
  35. Leon RosaCorona, CA 928791255967691
  36. Morena Rosa De AlbuquerqueCosta Mesa, CA 926261528654092
  37. Luis RosadoWalnut Park, CA 902551225689755
  38. Taylor RosadoRancho Cucamonga, CA 917301972445617
  39. Aliza RosalesIrvine, CA 926141023908274
  40. Alonzo RosalesClovis, CA 936111326755984
  41. Bryan RosalesOntario, CA 917641457851388
  42. Emily RosalesGarden Grove, CA 928451407486400
  43. Jaime Rosales, CPHTPinedale, CA 936501215233648
  44. Jessica RosalesCosta Mesa, CA 926261033844642
  45. Joanna RosalesIrvine, CA 926061760044184
  46. Jorge RosalesDowney, CA 902421396396073
  47. Joseph RosalesValencia, CA 913551265864540
  48. Lucas RosalesSan Bernardino, CA 924081972204709
  49. Monica RosalesEl Cajon, CA 920211326771510
  50. Randy Rosales, MS PSYCHOLOGYCovina, CA 917241922870054

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.