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 196 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. Nicholas Ferreira, MSWOxnard, CA 930361235682253
  2. Rosie Ferreira PerezStockton, CA 952071306628656
  3. Holly Ferreirae, LCSWRancho Cordova, CA 956701871204503
  4. Dejarnae FerrellLos Angeles, CA 900731821554809
  5. Sean FerrellLos Angeles, CA 900121538440995
  6. Denise Ferrer - Navarro, ACSWOxnard, CA 930361467999870
  7. Marguerite Ferrera-Anthony, MSWLos Angeles, CA 900431679205637
  8. Monica Ferreyra, LCSWSacramento, CA 958211659825404
  9. Karolin FerrierLos Angeles, CA 900331285156471
  10. Andrea Ferris, MSWLos Angeles, CA 900951235721747
  11. Farrah FerrisLos Angeles, CA 900171649690207
  12. Lance Ferris, LCSWChico, CA 959261881701142
  13. Walter Ferris, LCSWSan Marcos, CA 920691194765131
  14. Sydney Ferris Williams, A.S.W.Oakland, CA 946121114223989
  15. Sierra Ferriter, MSW, LSWAICTruckee, CA 961611366088627
  16. Emily FerroSanta Monica, CA 904041982135968
  17. Chantelly FerrufinoLos Angeles, CA 900891225683923
  18. Todd Fetherston, LCSWSacramento, CA 958231164581989
  19. Tammy Fetter, LCSWMill Valley, CA 949411396260097
  20. Margaret Fetting, PH.D, LCSWSanta Monica, CA 904011578706933
  21. Hayley FeuerGlendale, CA 912031972115095
  22. Julie Feuer, LCSWSan Mateo, CA 944031942557764
  23. Su Jin Feuer, LCSWSanta Monica, CA 904051437460599
  24. William Feuerborn, LCSWIrvine, CA 926141184659989
  25. Rebecca Fewel, LCSWSan Jose, CA 951281396052833
  26. Nancy Fey, LCSWSan Leandro, CA 945781225101637
  27. Erika FeyereisenElk Grove, CA 957581366375016
  28. Adrianne FialaOakland, CA 946121942568399
  29. Patricia Fiamengo, LCSW, M-RASFallbrook, CA 920281790981140
  30. Alice Fichandler, LCSWSan Diego, CA 921101972709574
  31. Estrella Fichter, MSWSan Francisco, CA 941241962731539
  32. Vickie Ficklin, LCSWEl Cajon, CA 920201851350466
  33. Elaine Fidel, LCSWBeverly Hills, CA 902121043359268
  34. Maria Fiduk, LCSWBellflower, CA 907061558828905
  35. Stephen FiechterLos Angeles, CA 900381386833739
  36. Mariel FiedlerCarson, CA 907461477938702
  37. Daniel Field, LCSWWest Hollywood, CA 900461356447742
  38. Denise Field, LCSWPorterville, CA 932571730435520
  39. Lee Field, LCSWSanta Maria, CA 934581063794345
  40. Stacy Fielder, LCSWHuntington Beach, CA 926471629283767
  41. Chela Fielding, LCSWPetaluma, CA 949541174074702
  42. Allison FieldsLos Angeles, CA 900731235545724
  43. Glorialee FieldsDublin, CA 945681689856270
  44. Kemisha FieldsLancaster, CA 935391437574464
  45. Lisa Fields, LCSWLos Angeles, CA 900131447339940
  46. Nakeya Fields, LCSWPasadena, CA 911031700021409
  47. Rachael Fields, LCSWVandenberg Afb, CA 934371417339987
  48. Sierra FieldsDublin, CA 945681700448982
  49. Susan Fierberg, L.C.S.W.Encino, CA 914361447524582
  50. Deborah FieriSan Clemente, CA 926721568334969

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.