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 282 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. Brianah HerreraRiverside, CA 925011497582068
  2. Brissa HerreraLos Angeles, CA 900171508437567
  3. Cecilia Herrera, LCSWLos Angeles, CA 900171053792978
  4. Diana Herrera, MSW, CSWLoma Linda, CA 923571649012048
  5. Dolores HerreraYuba City, CA 959931518166115
  6. Eddie HerreraGardena, CA 902471578270864
  7. Eduardo HerreraHayward, CA 945411447684378
  8. Elmer HerreraPico Rivera, CA 906601891830014
  9. Elsa HerreraPasadena, CA 911881609297597
  10. Erik HerreraCamarillo, CA 930121669627139
  11. Gwyneth Herrera, MSW, ASWBurlingame, CA 940101902471584
  12. Heidi Herrera, MSW, ASWLos Angeles, CA 900321013863034
  13. Heydi Herrera, LCSWCeres, CA 953071699894097
  14. Itzel HerreraSan Jose, CA 951121235809161
  15. Janet HerreraDelano, CA 932151841749785
  16. Jennifer Herrera, ASWWest Hills, CA 913041083580724
  17. Jesse Herrera, LCSWSalinas, CA 939011124242706
  18. Jessica HerreraBakersfield, CA 933041013499896
  19. Jessica HerreraPatterson, CA 953631851791941
  20. Jovita Herrera, LCSWRancho Cucamonga, CA 917301770874091
  21. Juan HerreraEl Monte, CA 917321275052490
  22. Kariann HerreraLos Angeles, CA 900431487775045
  23. Katherine HerreraCarson, CA 907461366320699
  24. Kathleen Herrera, M.S.W., L.C.S.W.Saint Helena, CA 945741790863231
  25. Kolbey Herrera, ASWMerced, CA 953401336576032
  26. Luis HerreraSanta Fe Springs, CA 906701518453166
  27. Maria HerreraGlendale, CA 912051477704013
  28. Maria Herrera, LCSWSan Bernardino, CA 924011548645344
  29. Martha HerreraSeal Beach, CA 907401649907155
  30. Melissa HerreraSouth Pasadena, CA 910301659094381
  31. Rafael Herrera, LCSWOakland, CA 946101104034941
  32. Rebecca HerreraOxnard, CA 930301093525701
  33. Richardyovany Herrera, ASWStockton, CA 952021568004422
  34. Sandra Herrera, M.S.W., L.C.S.W.San Luis Obispo, CA 934051265444236
  35. Sofia HerreraFairfield, CA 945331376924910
  36. Yadira Herrera EscarregaSanta Clara, CA 950511437687662
  37. Abel Herrera III, ASW, PPSC-SSWSan Diego, CA 921151124547351
  38. Aura Herrera Lopez, LCSWOntario, CA 917611942681986
  39. Guadalupe Herrera Perea, LCSWLos Angeles, CA 900381427466226
  40. Nancy Herrera-Cheng, LCSWWindsor, CA 954921215593447
  41. Mitchel Herrera-QuianeHayward, CA 945451538737531
  42. Marta Herrera-WhiteTorrance, CA 905021275653735
  43. Phoenicia HerringTarzana, CA 913561780312777
  44. Stephanie Herrington, MSW LCSWPalm Springs, CA 922621093869018
  45. Elizabeth Hersch, LCSWEl Cajon, CA 920211053473157
  46. Teresa Herschman, LCSWLaguna Hills, CA 926531013168152
  47. Lindsey Hersh, MSW, ASW, PPSSan Jacinto, CA 925831093281453
  48. Ryan Hershey-Van HornSan Francisco, CA 941141932761004
  49. Andrea HerskowitzBakersfield, CA 933091073058863
  50. Julia Herst, LCSWSan Diego, CA 921111326534652

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.