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 208 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. Hedy LiuSan Diego, CA 921631215319959
  2. Iris LiuWest Covina, CA 917911902457476
  3. Jessica LiuRowland Heights, CA 917481093373946
  4. Jiani LiuCosta Mesa, CA 926261710521620
  5. Kristine LiuCanoga Park, CA 913031194224667
  6. Michelle LiuSan Carlos, CA 940701427551753
  7. Peggy LiuMountain View, CA 940401932876885
  8. Samantha LiuSanta Ana, CA 927051801784400
  9. Sophia Liu, BCBAPomona, CA 917661033665997
  10. Winston Liu, BCBA, RBTSanta Ana, CA 927051972146207
  11. Yuntzu LiuNational City, CA 919501144806050
  12. Zicheng LiuSan Jose, CA 951231083190029
  13. Courtney Liu Areliz, M.S.Glendale, CA 912031871076802
  14. Marissa LiuzziTustin, CA 927801568396166
  15. Lily LivingstonPoway, CA 920641457954869
  16. Emilyn Lizarde DiazVan Nuys, CA 914051386491785
  17. Laina Lizarraga, BCBATemecula, CA 925901992212401
  18. Selene Lizarraga-BernalFullerton, CA 928321467995217
  19. Ramelle Lladones, BCBASan Diego, CA 921031982045662
  20. Brenda LlamasWoodland Hills, CA 913671821778408
  21. Hilda LlamasOrange, CA 928681619433232
  22. Lillian LlamasImperial, CA 922511033546510
  23. Kimberly Llamas ToroRocklin, CA 957651285504456
  24. Nicole LlarinasCosta Mesa, CA 926261902636483
  25. Camila LlosaLos Angeles, CA 900641235620337
  26. Larraine Lloyd, BEHAVIOR TECHNICIANSan Diego, CA 921081992307128
  27. Lauren Lloyd, M.S., BCBAIrvine, CA 926121083964324
  28. Nathan Lloyd, BCBANewark, CA 945601659755031
  29. Catrina Lloyd-RodriguezLong Beach, CA 908061386341980
  30. Angelina LoPomona, CA 917661952139370
  31. Erika LoPalo Alto, CA 943061770022113
  32. Fiona Lo, M.S, BCBATorrance, CA 905031891299319
  33. Kimberly LoSan Diego, CA 921231538676440
  34. Russell LoSacramento, CA 958251811635717
  35. Shirley LoOakland, CA 946061366945586
  36. Stephanie LoConcord, CA 945201013394857
  37. Kenny LoaisGardena, CA 902481811620784
  38. Joefy LobangaLos Angeles, CA 900641285134767
  39. Victoria Lobatos, RBTSacramento, CA 958331508385949
  40. Thao LocCerritos, CA 907031538628078
  41. Breanna Locke, BCBASan Marcos, CA 920781861887416
  42. Corrine LockeSan Diego, CA 921261730995986
  43. Kyleigh LockeSan Francisco, CA 941211063978732
  44. Lauryn LockhartSacramento, CA 958141679396865
  45. Jacob LocklinMorgan Hill, CA 950371043703077
  46. Amanda Lockman, MA, BCBA, MFTISacramento, CA 958151558727610
  47. Mohammad Jawid LodeenSacramento, CA 958261376234039
  48. Derek LodgeWoodland Hills, CA 913671306518873
  49. Ann Lodolini-Kho, BCBAMorgan Hill, CA 950371235508417
  50. Stacy Loeff Daniels, BCBAValencia, CA 913541164867230

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.