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 604 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. Erica Siegal, LCSWBurbank, CA 915051184872905
  2. Robin Siegal, LCSWLos Angeles, CA 900341487876835
  3. Beth Siegel, LCSWLong Beach, CA 908021396852513
  4. Carrie Siegel, LCSWHermosa Beach, CA 902541336584150
  5. Danielle SiegelLos Angeles, CA 900251437852498
  6. Danielle Siegel, LCSWSan Francisco, CA 941101700957255
  7. Emily Siegel, LCSWEureka, CA 955031336282078
  8. Jamie Siegel, LCSWCulver City, CA 902301467027011
  9. Julie Siegel, LCSWCastro Valley, CA 945461730944240
  10. Karen Siegel, LCSWClaremont, CA 917111700437340
  11. Lauren Siegel, M.S.W., ASW, PPSCRichmond, CA 948041114415189
  12. Lea SiegelOakland, CA 946061558847772
  13. Myron Siegel, MSWRohnert Park, CA 949281437575412
  14. Sydney SiegelIrvine, CA 926041104668631
  15. Julie Siegel-Turner, MSWRiverside, CA 925081326207960
  16. Kaitlyn Siegfried, ASWSan Diego, CA 921011053055939
  17. Yolanda Siegmeth, LCSWAlhambra, CA 918031215307624
  18. Doreen Sielert, LCSWSanta Rosa, CA 954071952030207
  19. Kevin Sielky, MSWCerritos, CA 907031285875948
  20. Leslie Siembieda, LCSWArroyo Grande, CA 934201447335286
  21. Susan Siep, LCSWSan Francisco, CA 941181033285366
  22. Jacque Sierad, L.C.S.W.Woodland Hills, CA 913641891916979
  23. Christina Sieren, B.A., M.S.W., LCSWValencia, CA 913551609992700
  24. Amberlyn Sierra, LCSWNorwalk, CA 906501184180143
  25. Chloie Sierra, LCSWTorrance, CA 905021093370207
  26. Cristina Sierra, LCSWPasadena, CA 911881831824333
  27. Elizabeth Sierra, LCSW, PPSCSanta Ana, CA 927031770412926
  28. Erica SierraTemecula, CA 925911518519503
  29. Jasmin SierraFresno, CA 937211326531302
  30. Josefina SierraOntario, CA 917621063781128
  31. Michelle SierraNuevo, CA 925671851067177
  32. Sandy SierraEl Centro, CA 922431295338077
  33. Sylvia SierraEl Centro, CA 922431265159453
  34. Winter SierraOakland, CA 946011316792658
  35. Brenda Sierra OregelSanta Fe Springs, CA 906701598314650
  36. Sara Sierra-Valinsky, LCSWFountain Valley, CA 927081497194443
  37. Kelli Sierras, LCSWMenifee, CA 925861013289487
  38. Kenneth Siers, LCSWLos Angeles, CA 900561205911492
  39. Vale SiessPasadena, CA 911031649806829
  40. Julie Sievenpiper, LCSWBenicia, CA 945101679773733
  41. Angelica Sievers, MAInglewood, CA 903011295499770
  42. Daria Sievers, LCSWSan Rafael, CA 949011407291859
  43. Nicholas Siewell, ASWBakersfield, CA 933091235542861
  44. Regina Siez, L.C.S.W.Lake Elsinore, CA 925321245672997
  45. Veronica SigalEl Segundo, CA 902451497643530
  46. Natalie Sigala, LCSWTustin, CA 927801972015733
  47. Rodrigo SigalaAnaheim, CA 928061982776423
  48. Jean Sigaran, LCSWRedlands, CA 923731760057681
  49. Thomas Siggins, ACSWSan Diego, CA 921171154933018
  50. Ruth Sigler, LCSWSantee, CA 920711447339429

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.