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 544 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. Diane Ringer, L.C.S.WSanta Clara, CA 950511265772602
  2. Lena RingstromEncino, CA 914361437550993
  3. Philip Ringstrom, PH.D., PSY.D.Encino, CA 914361588787311
  4. Jeremy Rintalan, LCSWCorona, CA 928821437718103
  5. Aileen RiosNorwalk, CA 906501548099351
  6. Alicia Rios, LCSWIndio, CA 922011811099146
  7. Angelica Rios, LCSW 135813Fresno, CA 937211215818661
  8. Charles Rios, LCSWSacramento, CA 958251649316662
  9. Crystal Rios, ASW114226Santa Ana, CA 927011760170138
  10. Danna RiosBerkeley, CA 947041720695356
  11. David RiosSan Martin, CA 950461417087370
  12. Edgar Rios, MSWEl Centro, CA 922431801403720
  13. Emma RiosNewport Beach, CA 926601164164877
  14. Ena Rios, L.C.S.W.Concord, CA 945201659431971
  15. Gloria RiosLos Angeles, CA 900201851439004
  16. Ignacio RiosSanta Ana, CA 927051659227395
  17. Jesus RiosPomona, CA 917671871017244
  18. Joana Rios, MSWLos Angeles, CA 900081518335009
  19. Jose Rios, MSWCompton, CA 902201194988428
  20. Juanita RiosFresno, CA 937211356295182
  21. Kristen Rios, LCSW #134216La Habra, CA 906311558965368
  22. Lizet RiosJurupa Valley, CA 925091780053132
  23. Lizeth RiosLos Angeles, CA 900071306404561
  24. Marisol RiosBakersfield, CA 933091053864546
  25. Melissa RiosLos Angeles, CA 900261235720160
  26. Melissa RiosPico Rivera, CA 906601407246002
  27. Rachel RiosSanta Maria, CA 934581437632973
  28. Raquel Rios, MSW, LCSWTruckee, CA 961611699803213
  29. Sabrina RiosLos Angeles, CA 900401144805938
  30. Sierra Rios, MSW, MPHLynwood, CA 902621942746128
  31. Stephen RiosSanta Rosa, CA 954041740577329
  32. Brigido Rios Jr, LCSWWasco, CA 932801689303612
  33. Evelyn Rios-Massin, MSW, LCSWSanta Ana, CA 927011487086799
  34. Ramon Rios-Parada, B.A.Hayward, CA 945451184951881
  35. Kristina Ripatti, ASWLos Angeles, CA 900341881378164
  36. Susan Rippke, LCSWPalm Desert, CA 922111386860963
  37. Frederick RisardMonterey, CA 939401912217837
  38. Abigail RiserCitrus Heights, CA 956101619729712
  39. Stuart Riskin, LCSWEncino, CA 914361447518436
  40. Sheree Capri Risley Aragon, LCSWSan Pedro, CA 907311679429716
  41. Stacey Risotti, LCSWRancho Cucamonga, CA 917301710469192
  42. Anthony Rispoli, LCSW 87910Monterey, CA 939421841423514
  43. Alma Risse, MSW, LCSWWhittier, CA 906021417125246
  44. Jeffrey RisserFolsom, CA 956301871726265
  45. Angela Ristow, LCSWLafayette, CA 945491558075887
  46. Dennis Ritchie, MSW, PH.D.Cathedral City, CA 922341851106561
  47. Joseph RitkesSan Jose, CA 951161518565779
  48. Andrea Ritner, MSWMenlo Park, CA 940251477577989
  49. Michelle Rittel, LCSWLos Angeles, CA 900661700968757
  50. Janet Rittenhouse, LCSWSacramento, CA 958231386701217

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.