NPPES file of Aug 9, 2026

Clinical Social Worker in California

36,261 NPPES records list clinical social worker with a practice address in California, 93 per 100,000 residents, the 22nd highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 161 of 726.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 1041C0700X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Los Angeles has the most, 4,806

  1. Los Angeles4,806
  2. San Diego2,036
  3. San Francisco1,358
  4. Oakland1,130
  5. Sacramento1,120

Clinical Social Worker records in California

  1. Rajinder DhillonBakersfield, CA 933131245656636
  2. Ravneet DhillonBakersfield, CA 933051376101048
  3. Irene Di Raffael, MSW PHDThousand Oaks, CA 913601295764157
  4. Ana Maria Di Sarli, MSW, ASWCerritos, CA 907031750419826
  5. Sandra Di Stefano, LCSWLos Angeles, CA 900641851555213
  6. Gloria DialynasOrange, CA 928681235253584
  7. Brooke Diamond, LCSWHawthorne, CA 902511902421027
  8. Debby Diamond, LCSWTehachapi, CA 935611124291554
  9. Jamie Diamond, MSW, LCSWOntario, CA 917611780261073
  10. Jane Diamond, LCSWLos Angeles, CA 900171851546030
  11. Joni Diamond, LCSWGranada Hills, CA 913441407146277
  12. Marc Diamond, L.C.S.W.San Leandro, CA 945781285844381
  13. Mihaela DiamondSan Francisco, CA 941181952130767
  14. Mortakai DiamondOakland, CA 946091679972970
  15. Tamara Diamond, LCSWNewhall, CA 913211346911849
  16. Susan Diamond Moore, L.C.S.W.Berkeley, CA 947051295889756
  17. Christopher Diani, LCSWSan Francisco, CA 941021932193257
  18. Adriana DiazLos Angeles, CA 900411447509450
  19. Alexandra DiazUpland, CA 917861922519701
  20. Amelia DiazRiverside, CA 925011881957959
  21. Anna Diaz, LCSWModesto, CA 953501194001958
  22. Arturo Diaz, LCSWCosta Mesa, CA 926261750779492
  23. Ashley DiazSan Bernardino, CA 924041497189096
  24. Beatris DiazCerritos, CA 907031609326867
  25. Christian DiazLos Angeles, CA 900341881471266
  26. Claudia DiazWalnut, CA 917881538726765
  27. Claudia Diaz, LCSWSan Francisco, CA 941101003105040
  28. Concepcion DiazArcadia, CA 910061124798319
  29. Corina Diaz, ACSWLos Angeles, CA 900111811664469
  30. Courtney Diaz, MSW, LCSWSan Jose, CA 951221538352497
  31. Dalia DiazNorwalk, CA 906501063939718
  32. David DiazGardena, CA 902471174401640
  33. Deborah Diaz, LCSWSan Mateo, CA 944021043347362
  34. Devlin DiazLos Angeles, CA 900311932929643
  35. Dielly DiazOakland, CA 946011811366297
  36. Diosa Diaz, MSWOakland, CA 946021295161958
  37. Elena DiazRedding, CA 960011851044036
  38. Elizabeth Diaz, ASWPorterville, CA 932571558911958
  39. Elizabeth Diaz, LCSWLancaster, CA 935341609357649
  40. Elvia Diaz, L.C.S.W.Garden Grove, CA 928401871852913
  41. Ericka DiazSan Mateo, CA 944021750635108
  42. Evilet DiazLos Angeles, CA 900261952139594
  43. Francesca DiazLos Angeles, CA 900171215710058
  44. Gina Diaz, ACSWLong Beach, CA 908101700336161
  45. Jacqueline DiazLynwood, CA 902621558787911
  46. Jaenai Diaz, LCSWSan Diego, CA 921031508241811
  47. Janette DiazGuadalupe, CA 934341972864296
  48. Javier DiazPasadena, CA 911061831740877
  49. Jennifer DiazPalmdale, CA 935511205332012
  50. Jessica Diaz, LCSW97835Compton, CA 902201366841306

Source: CMS NPPES, primary taxonomy 1041C0700X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 22 of 51 per resident

  1. Illinois109
  2. New Jersey105
  3. Alaska103
  4. California93
  5. Virginia93
  6. Delaware91
  7. 50 states and D.C.93

Source: CMS NPPES, primary taxonomy 1041C0700X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

6.0% of these records appear in a Medicare file, against 11.7% 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. California6.0%
  2. United States11.7%

Clinical Social Worker records in California, measured

  • In a Medicare file2,182 of 36,261 · 6.0% here, 11.7% nationally
  • In the CMS Doctors and Clinicians file4,012 · 11.1% here, 19.1% nationally
  • Not updated in five years or more16,389 · 45.2% here, 52.9% nationally
  • Median graduation year2012 · the 4,008 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 1041C0700X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

36,261 NPPES records list clinical social worker (1041C0700X) as their primary taxonomy with a practice address in California: 93 per 100,000 residents against 93 nationally (50 states and D.C.). Los Angeles has 4,806 of them (13%).

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. New York29,293
  2. Massachusetts17,815
  3. Michigan17,644
  4. North Carolina15,561

States with a similar rate per 100,000

  1. Virginia92.9
  2. Delaware90.6
  3. Kentucky89.9
  4. Idaho89.1

The largest states

  1. New York29,293
  2. Massachusetts17,815
  3. Michigan17,644
  4. North Carolina15,561
  5. Illinois13,637

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.