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 398 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. Stephanie MarksLong Beach, CA 908071760046296
  2. Carin Marlin, LCSWPalo Alto, CA 943041407339112
  3. Amy Marlo, L.C.S.W.Scotts Valley, CA 950661710230032
  4. Alyson MarlowOakland, CA 946121306240197
  5. Kay Marlowe, LCSWFolsom, CA 956301730232091
  6. Lisa Marlowe-Carr, LCSWBurbank, CA 915051033257134
  7. Evan MarmolSacramento, CA 958161700390655
  8. Dana Marmolejo, LCSWIrvine, CA 926021184411035
  9. Jennifer Marmolejo, ACSWPomona, CA 917671861161903
  10. Rosalia Marmolejo, LCSWLong Beach, CA 908221922410034
  11. Jane Marnocha, LCSWSan Diego, CA 921111033619754
  12. Jessica MarotteSacramento, CA 958161659146108
  13. Theresa Marquardt, ASWOakland, CA 946011295196988
  14. Alexis Marquardt Hill, LCSWCarlsbad, CA 920081386270593
  15. Alejandra Marquez, LCSWLos Angeles, CA 900951558855023
  16. Amalia Marquez, LCSWSan Diego, CA 921791891649570
  17. Antonio MarquezIrvine, CA 926121659978955
  18. Blanca Marquez, LCSWOakland, CA 946121295255362
  19. Brendan Marquez, ASWLos Angeles, CA 900621710347364
  20. Celia MarquezMoreno Valley, CA 925531467853093
  21. Efrain MarquezGardena, CA 902491083989636
  22. Esmeralda Marquez, LCSWAnaheim, CA 928061386043735
  23. Grissel Marquez, MSWOxnard, CA 930331598997983
  24. Jessica Marquez, LCSWCorcoran, CA 932121902451636
  25. Joni Marquez, LCSWSan Diego, CA 921091699658518
  26. Juana Marquez, MSW INTERNSan Francisco, CA 941171598099053
  27. Luisana MarquezPasadena, CA 911011003141268
  28. Luz MarquezReseda, CA 913351972037646
  29. Marcelina MarquezSacramento, CA 958231134771520
  30. Margarita Marquez, LCSWCompton, CA 902201487766523
  31. Maria Marquez, LCSWSalinas, CA 939011730260217
  32. Marta Marquez, MSWPalmdale, CA 935511780931600
  33. Martha Marquez, LCSWLos Angeles, CA 900031245552348
  34. Matthew Marquez, LCSWLos Angeles, CA 900181083260616
  35. Robert Marquez, LCSWLa Quinta, CA 922531356683239
  36. Sandra Marquez, LCSWSanta Clara, CA 950541689969289
  37. Sonia Marquez, LCSWPomona, CA 917661215716659
  38. Anna Marie Marquez-Mason, LCSWSalinas, CA 939011053542159
  39. Rennee Marquez-Nichola, LCSWBellflower, CA 907061255531836
  40. Maria Marquez-Riley, ASWTulare, CA 932741649394974
  41. Diana Marquez-RuizVisalia, CA 932921497372106
  42. Jodi Marr, LCSWFresno, CA 937211003033218
  43. Samuel Marra, MSW, ACSWBrea, CA 928211528771979
  44. Anellina Marrelli, L.C.S.W.Solana Beach, CA 920751689003972
  45. Hope Marriott, LCSWPatton, CA 923691740729698
  46. Sanayah Marriott, LCSWChula Vista, CA 919131831869510
  47. Kyndal MarrisonSacramento, CA 958111821543562
  48. Lori Marrison, L.I.C.S.WMather, CA 956551447483748
  49. Sergio Marron, LCSWAtwater, CA 953011184058471
  50. Benjamin MarroneAlameda, CA 945011740902055

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.