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 29 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. Fenella Arnold, LCSWSan Diego, CA 921151922431238
  2. Karla Arnold, LCSWLynwood, CA 902621457803942
  3. Pathanapong Aromdee, LCSWVan Nuys, CA 914061396340881
  4. Tracy Aronlee, LCSWSan Diego, CA 921111619304748
  5. Alice Aronow, MSWSan Francisco, CA 941211457378101
  6. Julie Aronowitz, LCSWBerkeley, CA 947091417446451
  7. Lisa Aronson, M.S.W.Ventura, CA 930031982839932
  8. Natasha AronsonOakland, CA 946021760962682
  9. Jasmine AroraPasadena, CA 911071467887463
  10. Angela Arosemena, LCSWSan Diego, CA 921011427891159
  11. Sara ArpiarianOakland, CA 946051598072837
  12. Nansea Arquette, L.C.S.W.Sonora, CA 953701063625770
  13. Celeste Arreaza, MSWLos Angeles, CA 900341780507988
  14. Aide ArredondoSan Diego, CA 921541245624477
  15. Alana Arredondo, MSWTorrance, CA 905021275361214
  16. Amada ArredondoSan Francisco, CA 941031205372000
  17. Angelica ArredondoSan Pablo, CA 948061558987347
  18. Elizabeth Arredondo, LCSWIrvine, CA 926161275310757
  19. Grindelia ArredondoLos Angeles, CA 900131467814772
  20. Karina ArredondoTustin, CA 927821114474897
  21. Kristell ArredondoLos Angeles, CA 900571184093825
  22. Luisamarie Arredondo, MSW PPSCLos Angeles, CA 900171467121038
  23. Mari Arredondo, RASHollister, CA 950231255756425
  24. Marlena ArredondoLos Angeles, CA 900081235027426
  25. Marlene ArredondoGardena, CA 902481902327489
  26. Mia ArredondoCommerce, CA 900401225479587
  27. Patricia Arredondo, LCSWBakersfield, CA 933011114054053
  28. Stephanie Arredondo, MASTERS LCSWPomona, CA 917671356891055
  29. William Arredondo, LCSWOakland, CA 946011902936404
  30. Yolanda Arredondo, LCSWLong Beach, CA 908061336217298
  31. Adriana ArreguinSanta Clara, CA 950541114175999
  32. Alicia Arreguin, LCSWLos Angeles, CA 900381598898025
  33. Sonia Arreguin, LCSWSanger, CA 936571184889420
  34. Margaret Arreguin-Zarate, LCSWMadera, CA 936381679783781
  35. Josefina Arreola, MSW, ASWLancaster, CA 935341427280841
  36. Sandra ArreolaRancho Cucamonga, CA 917291639367626
  37. Vanessa Arreola, LCSWBakersfield, CA 933091356117071
  38. Angelica Arreola-SandovalFresno, CA 937211376014142
  39. Diana ArriagaOxnard, CA 930361043686447
  40. Karla Arriaran, EDD, LCSWValencia, CA 913551245960392
  41. Daisy ArriazaLos Angeles, CA 900361073867768
  42. Jocelyn Arriaza, MSW, LCSWPalmdale, CA 935521235794611
  43. Valerie Arribeno, MSWEl Monte, CA 917311710530522
  44. Vasti ArrieroLos Angeles, CA 900141770779035
  45. Krista Arrington, LCSW LEPAlameda, CA 945021053823245
  46. Robin Arrocha, LCSW, PPSCLos Angeles, CA 900171649546508
  47. Alyssa ArroyoNorth Hollywood, CA 916061811743420
  48. Andrea Arroyo, LCSWSan Mateo, CA 944031467858589
  49. Cristina ArroyoAnaheim, CA 928011730062274
  50. Juan Arroyo, LCSWSanta Fe Springs, CA 906701316424013

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.