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 543 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. Jillian Riedenauer, LCSW,MSW, CADCIISanta Cruz, CA 950601043679574
  2. Ava Riedesel, LCSWOceanside, CA 920561063841500
  3. David Rieker, LCSWLong Beach, CA 908061902451545
  4. Kelli RielVentura, CA 930031962178897
  5. Simone Riente, LCSWPalo Alto, CA 943041245547041
  6. Corinne RiesRiverside, CA 925071700522505
  7. Karen Rieselbach, LCSWNovato, CA 949471427450725
  8. David Riess, LCSWBakersfield, CA 933011891924148
  9. Felicia RietaStockton, CA 952071497979470
  10. Gregory RigaliLos Angeles, CA 900331184317893
  11. Keith Rigby, MSWCrescent City, CA 955311497189146
  12. Jovon RigginsTarzana, CA 913561457870040
  13. Nancy Riggins-Hume, MSW, LCSWSan Diego, CA 921041437228608
  14. Dori Riggs, LCSWSan Francisco, CA 941121053461566
  15. Erin Riggs, MSW, ASWSacramento, CA 958341619115698
  16. Kathryn Riggs, LCSWRolling Hills Estates, CA 902741134138183
  17. Laura Riggs, LCSWVentura, CA 930031285993030
  18. Martin Riggs, LCSWSoquel, CA 950731396952198
  19. Tricia RighettiSan Luis Obispo, CA 934011568910289
  20. Joann Rigoglioso, LCSWSan Diego, CA 921341063555613
  21. William Rigole, LICENSED CLINICAL SOBarstow, CA 923111942418082
  22. Lianne RijosLynwood, CA 902621972258663
  23. Matthea Rile-SchmidtSan Jose, CA 951191093403875
  24. Ashley RilesSuisun City, CA 945851447626536
  25. Danelle Riles, LCSW, MSWGrass Valley, CA 959451780918508
  26. Ayana Riley, MSWLos Angeles, CA 900181821839473
  27. Brett RileyLos Angeles, CA 900591275108771
  28. James Riley, ASWModesto, CA 953541548327216
  29. John Riley, LCSWLos Angeles, CA 900361700394764
  30. Kristina RileyLancaster, CA 935341417543851
  31. Michelle Riley, L.C.S.WNorth Hollywood, CA 916021588678460
  32. Michelle Riley, LCSWModesto, CA 953501083921977
  33. Patricia Riley, L.C.S.W.San Andreas, CA 952491952535981
  34. Sandra Riley, LCSWModesto, CA 953501972784536
  35. Shauna RileyLos Angeles, CA 900151508029893
  36. Tarron Riley, L.C.S.WVictorville, CA 923951346342896
  37. Kayla RimacEscondido, CA 920251790465201
  38. Anna RimlingerOakland, CA 946051245848621
  39. Mary Rimsans, LCSWSacramento, CA 958111487993184
  40. Allison RimshawSan Leandro, CA 945781528630407
  41. Carmela RinaldiSan Francisco, CA 941031558610550
  42. Gabriella Rinaldi, MSWSan Francisco, CA 941211548896467
  43. Roberta RinaldiLos Angeles, CA 900241386662088
  44. Kerri Rinas, LCSWSan Diego, CA 921101740514769
  45. Yadira RinconMoreno Valley, CA 925531467285809
  46. Suzanne RindlisbacherGridley, CA 959481467840314
  47. Sherry Riney, MSW, LCSWMenlo Park, CA 940251154347334
  48. Jean Riney-Niewiadomski, LCSWSan Francisco, CA 941151659439909
  49. Matthew Ring, DSW, LCSWSan Diego, CA 921201992517254
  50. Nicole Ringenbach, ASWSuisun City, CA 945851093605073

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.