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 94 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. Marni Dick, BCBATuolumne, CA 953791164853701
  2. Quentin DickersonGardena, CA 902481205601010
  3. Angeleah Dickey, BCBAChula Vista, CA 919141780470443
  4. Diana Dickinson, M.A., BCBASan Diego, CA 921311164981304
  5. Alexandria DickmanSan Diego, CA 921081225904162
  6. Alayjia DicksonTustin, CA 927801326929993
  7. Kristine Dickson, BCBAStudio City, CA 916041629364336
  8. Lisa Dickson, SPECIAL EDUCATIONCamarillo, CA 930121124302583
  9. Jana Dideriksen, BCBASan Juan Capistrano, CA 926751225494735
  10. Julia Diebolt, MA, BCBASan Diego, CA 921111356616015
  11. Kari Diego, ASSOCIATES DEGREEBakersfield, CA 933131134752033
  12. Claudia DiepSan Leandro, CA 945791659872562
  13. Robert Diep, BCBACorona, CA 928781073027306
  14. Lianna DiesmanLong Beach, CA 908071467018572
  15. Christopher Dietrich, BEHAVIOR ANALYSTRancho Cucamonga, CA 917301578000881
  16. Alisa Dietz, M.A., B.C.B.A.Santa Ana, CA 927051326401928
  17. Jennifer DietzAntioch, CA 945091184113474
  18. Stephanie DietzCosta Mesa, CA 926261336771039
  19. Ouleymatou Zamzam DieyeSan Diego, CA 921081184574139
  20. Kathryn DifinoConcord, CA 945201346822962
  21. Michaela DiganciMurrieta, CA 925621700478237
  22. Marcella DigelSan Bruno, CA 940661689262404
  23. Rebecca DiggsSan Francisco, CA 941041548777410
  24. Starr DigiovannaCosta Mesa, CA 926261174355812
  25. Sevana DilanchianGlendale, CA 912031073850608
  26. Lara DilanianGlendale, CA 912031952983280
  27. Aisha Dilday, MSIrvine, CA 926181881467710
  28. Ryan DildineClovis, CA 936121730659004
  29. Nicole Dileva, M.A, BCBASan Diego, CA 921231598121857
  30. Eden Marie DilinilaCosta Mesa, CA 926261538968383
  31. Kayleigh DillBakersfield, CA 933111366323412
  32. Samuel DillCosta Mesa, CA 926261982497244
  33. Willow DillSan Diego, CA 921231104524362
  34. Kairo Miguel Janello DillaNorthridge, CA 913241619445061
  35. Jessica Dillard, BCBANewport Beach, CA 926601902305915
  36. Desirae DillerSan Diego, CA 921271053999557
  37. Amanda DillmanTracy, CA 953761669124921
  38. Emily DillonStockton, CA 952071063099091
  39. Haven DillonAntioch, CA 945091942781679
  40. Lisa Dillon, BCBASan Bruno, CA 940661033684956
  41. Joseph Dilsdale, BCBASherman Oaks, CA 914031255895371
  42. Leticia Dilworth, B.ARiverside, CA 925061720590946
  43. Natalia Dilworth, M.ED.Huntington Beach, CA 926461427565134
  44. Ciana DimacaliPoway, CA 920641649827916
  45. Angel DimariaSan Diego, CA 921081427537893
  46. Jessica Dimarucut, BCBASanta Rosa, CA 954011407342819
  47. Ariana DimatteoGranite Bay, CA 957461538717673
  48. Rivers DimittRancho Cucamonga, CA 917301023988185
  49. Lauren DimmittSan Diego, CA 921221093023202
  50. Jacquiline DimpasBakersfield, CA 933091487380135

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.