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 162 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. Jessica DiazGardena, CA 902481023779840
  2. Jorge Diaz, MSWPanorama City, CA 914021952731218
  3. Josue DiazSanta Fe Springs, CA 906701548636491
  4. Julio Diaz, LCSWChowchilla, CA 936101356566236
  5. Karen Diaz, LCSWCanoga Park, CA 913061386162543
  6. Karen DiazSanta Clarita, CA 913501649726308
  7. Karen Diaz, LCSWOrange, CA 928681962866103
  8. Karen DiazWalnut Creek, CA 945981497239305
  9. Keith DiazSan Diego, CA 921011922972249
  10. Kimberly DiazLoma Linda, CA 923571063995413
  11. Kristine Lisl Diaz, LCSWBrea, CA 928211427594555
  12. Kymberly DiazPerris, CA 925711437759198
  13. Laura Diaz, LCSWLos Angeles, CA 900071265553804
  14. Lauren Diaz, LCSWVisalia, CA 932911356599153
  15. Liana Diaz, LCSWLos Angeles, CA 900171750646014
  16. Lizeth DiazSan Diego, CA 921081124457023
  17. Louis Diaz, LCSWConcord, CA 945201952455339
  18. Margaret Diaz, LCSWTustin, CA 927801205234044
  19. Maria Diaz, ASWSan Diego, CA 921541679821144
  20. Mariana DiazSan Diego, CA 921541942123559
  21. Maribel Diaz, LCSWLos Angeles, CA 900171811542541
  22. Mariel DiazEncinitas, CA 920241124437579
  23. Melissa DiazChula Vista, CA 919111720774581
  24. Michell Diaz, MSW, LCSWLoma Linda, CA 923571720397797
  25. Michelle Diaz, LCSWPasadena, CA 911881033581483
  26. Nicole Diaz, LCSWNewport Beach, CA 926631508697319
  27. Omaira Diaz, MSWRichmond, CA 948051619286978
  28. Rafael Diaz, LCSWTulare, CA 932741114474210
  29. Reyna Diaz, LCSWLos Angeles, CA 900271619094810
  30. Robert Diaz, LCSWPasadena, CA 911061952567745
  31. Rosa DiazPico Rivera, CA 906601619258266
  32. Samantha DiazLos Angeles, CA 900261003416447
  33. Sandra DiazLos Angeles, CA 900591700174943
  34. Sergio Diaz, LCSWPanorama City, CA 914021235336660
  35. Silvia Diaz, LCSWLos Angeles, CA 900311699789628
  36. Sonia DiazLos Angeles, CA 900201497844914
  37. Stefany Diaz, LCSWNevada City, CA 959591790070373
  38. Stephanie DiazNorthridge, CA 913241427743483
  39. Susana DiazFrench Camp, CA 952311972043164
  40. Susana Diaz, LCSWCeres, CA 953071043888159
  41. Vanesa DiazPico Rivera, CA 906601053135491
  42. Vanessa DiazSan Jose, CA 951331538728969
  43. Velicia Diaz, MSWSanta Clara, CA 950501467887323
  44. Veronica Diaz, LCSWHighland, CA 923461801452651
  45. Yamel DiazBerkeley, CA 947041740952118
  46. Yanete DiazSanta Ana, CA 927011023750148
  47. Jennifer Diaz AxomulcoLos Angeles, CA 900081699513432
  48. Yvette Diaz De Tuesta, LCSWSanta Clarita, CA 913551609122795
  49. Jessica Diaz France, LCSWGreenbrae, CA 949041285942862
  50. Diana Diaz MaderaHanford, CA 932301609339845

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.