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 568 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. Ingrid Ruiz, MSWLancaster, CA 935351306490834
  2. Irving RuizChula Vista, CA 919111568059848
  3. Janet Ruiz, LCSWModesto, CA 953561366819864
  4. Jennifer Ruiz, LCSWNorthridge, CA 913251487783205
  5. Jennifer RuizSan Pablo, CA 948061205357555
  6. Jessica RuizOakland, CA 946051073023297
  7. Jose RuizSan Diego, CA 921111902478720
  8. Juan-Carlos Ruiz, LCSWSan Diego, CA 921541932306677
  9. Kerry Ruiz, L.C.S.W.Long Beach, CA 908221699829614
  10. Lawrence Ruiz, LCSWMerced, CA 953411033395785
  11. Linda Ruiz, LCSWBerkeley, CA 947121316747546
  12. Lise Ruiz, LCSWNewhall, CA 913211154417822
  13. Llani Ruiz, LCSWArleta, CA 913311255733150
  14. Lorraine Ruiz, LCSWLos Angeles, CA 900151720678378
  15. Maria Ruiz, LCSWSoledad, CA 939601104225226
  16. Mia RuizLong Beach, CA 908071053198374
  17. Minerva Ruiz, LCSWLos Angeles, CA 900441487315479
  18. Miriam Ruiz, LCSW, CADC IISanta Fe Springs, CA 906701033643093
  19. Monica Ruiz, LCSWColton, CA 923241508403478
  20. Nadia Ruiz, ACSWRiverside, CA 925051134889835
  21. Nicole Ruiz, MSW, LCSWHayward, CA 945441669709150
  22. Norma RuizLancaster, CA 935341265024335
  23. Patricia Ruiz, LCSWSanta Rosa, CA 954031881929131
  24. Rachel Ruiz, LCSWFolsom, CA 956301336554690
  25. Rakiya Ruiz, LCSWTorrance, CA 905031972147726
  26. Ray RuizLong Beach, CA 908071487427290
  27. Rebecca RuizLos Angeles, CA 900051548746423
  28. Roman Ruiz, MSWSanta Clarita, CA 913501003104407
  29. Rosio RuizFresno, CA 937211356953442
  30. Sarah RuizSan Jose, CA 951271962780601
  31. Tasba RuizSan Dimas, CA 917731679881965
  32. Yesenia RuizPasadena, CA 911881740707215
  33. Mariel Ruiz Malagon, ACSWSacramento, CA 958161619772241
  34. Johanna Ruiz VelascoModesto, CA 953551548041114
  35. Daniela Ruiz-CedenoLong Beach, CA 908131346678976
  36. Yadira Ruiz-Johns, MSWSan Diego, CA 921231821321456
  37. Daisy Ruiz-VerdugoLos Angeles, CA 900071528485851
  38. Robin Rumack, MSWLos Angeles, CA 900231417261140
  39. Pamela RumbergBerkeley, CA 947041184591703
  40. Elizabeth Rumelt, LCSWSanta Barbara, CA 931011366515876
  41. Joy Rumsey, LCSW-CMountain View, CA 940411831644525
  42. Maria Runciman, MSWSoquel, CA 950731689889743
  43. Whitney Rune, MSW, ACSWArcata, CA 955211407545684
  44. Thomas Runyan, THOMAS RUNYAN LCSWNewhall, CA 913211396894101
  45. Delaney RunyonSan Diego, CA 921101447937883
  46. Cara Rupp, LCSWMerced, CA 953411154479566
  47. Nicole Rupp, LCSWRedding, CA 960011356002810
  48. Ria Rupp, LCSWMission Hills, CA 913451497618102
  49. Marina Ruppert, LCSWLincoln, CA 956481922577915
  50. Linda Rusak, LCSWSan Quentin, CA 949641912044835

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.