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 566 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. Beth Ruben, MSWSanta Barbara, CA 931011558302216
  2. Debra Ruben, LCSW, PHDBurlingame, CA 940101033639729
  3. Erika Ruben, LCSWDublin, CA 945681811614134
  4. Rebecca Ruben, MSW, LCSWLos Angeles, CA 900261336692763
  5. Susan Rubenfeld, LCSWWalnut Creek, CA 945961225872229
  6. Michele Rubenstein, LCSWSan Ramon, CA 945831174636583
  7. Rose RubensteinSacramento, CA 958341710761556
  8. Jennifer Ruberti, LCSWSan Diego, CA 921231801485974
  9. Anna Rubin, LCSWSan Fernando, CA 913401841780152
  10. Devon Rubin, LCSWSan Francisco, CA 941271295187292
  11. Eva Rubin, LCSW, MPHPasadena, CA 911061427256049
  12. Jane Rubin, PSYD; LCSW 3358Venice, CA 902911285702191
  13. Jason Rubin, M.S.W., LCSWSouth Pasadena, CA 910301063778918
  14. Jill Rubin, MSWSanta Barbara, CA 931011144379595
  15. Mette Rubin, LCSWCapitola, CA 950101245041334
  16. Nathan Rubin, MSWSan Francisco, CA 941151821685249
  17. Sarah Rubin, LMSWLos Angeles, CA 900361801781299
  18. Talia RubinFremont, CA 945381962143842
  19. Theresa Rubin-Ortiz, LCSWOakland, CA 946091093834327
  20. Chalon Rubina, LCSWPasadena, CA 911071144657537
  21. Nathan Rubinoff, ASWSan Luis Obispo, CA 934011578407821
  22. James Rubins, L.C.S.W.Linda, CA 959011164800389
  23. Adriana RubioWoodland Hills, CA 913671942559661
  24. Claudia Rubio, ACSWDowney, CA 902421568025757
  25. Cristal Rubio, LCSWSalinas, CA 939061942855101
  26. Donna Rubio, ASWVentura, CA 930031457078917
  27. Elizabeth Rubio, LCSWLos Angeles, CA 900291659791382
  28. Erick RubioEast Los Angeles, CA 900221366817470
  29. Irma Rubio, LCSWLos Angeles, CA 900731376302042
  30. Isabel Rubio, LCSWSan Bernardino, CA 924011275840530
  31. Jazmin Rubio, ASWNewport Beach, CA 926601114787892
  32. Jeniffer Rubio, ASWLong Beach, CA 908061003169723
  33. Jennifer Rubio, MSW, LCSWTruckee, CA 961611811523509
  34. Joanna Rubio, LCSWGardena, CA 902471225769854
  35. Katery RubioLos Angeles, CA 900421568940286
  36. Lannette RubioLos Angeles, CA 900081497241723
  37. Laura RubioJurupa Valley, CA 925091578299103
  38. Leticia RubioVisalia, CA 932771396365938
  39. Norma RubioPasadena, CA 911011548730807
  40. Oralia RubioSan Pedro, CA 907311174079222
  41. Rene RubioNorthridge, CA 913251205593993
  42. Rosario RubioPico Rivera, CA 906601346558798
  43. Sarai RubioSanta Fe Springs, CA 906701316495799
  44. Vanessa RubioSanta Ana, CA 927011477339604
  45. Rebecca Rubio-Aliaga, LCSWFairfield, CA 945331750445144
  46. Margarita Rubio-MedinaLos Angeles, CA 900171508231093
  47. Laura Ruble, LCSWYuba City, CA 959911275668709
  48. Brianna Rubow, ASW, SUDRCSan Diego, CA 921011962283754
  49. Monica RubyRedlands, CA 923741356655237
  50. Shelly Rucker, LCSWRoseville, CA 956611295315588

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.