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 595 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. Cornelia Seiffert, LCSWOrange, CA 928681821576828
  2. Christopher Seigle, ACSWRedding, CA 960011326964263
  3. Sophie Seigler, LCSWSan Diego, CA 921031508322116
  4. Julia Seiker, LCSWColton, CA 923241649393067
  5. Michaelle Seiter, LCSWLos Alamitos, CA 907201386886612
  6. Carol Seixas, L.C.S.W.Long Beach, CA 908071407011372
  7. Ranvir Sekhon, LCSWPalo Alto, CA 943041366864928
  8. Kristin Selby, LCSWSacramento, CA 958151598951659
  9. Stacey Selco, L.C.S.W.Los Angeles, CA 900031639367139
  10. Tchira Seligman, LCSWFairfax, CA 949301114092087
  11. Rose Seligson, L.C.S.W.Laguna Woods, CA 926371740421908
  12. Lisa Selin, LCSW, PHDLos Angeles, CA 900251699544171
  13. Andrea SelinerOakland, CA 946121396938387
  14. Eli Selkin, L.C.S.W.Los Angeles, CA 900661225111081
  15. Mitra Sell, LCSW, LEPAnaheim, CA 928071205395167
  16. Emily SellersSan Jose, CA 951261942498019
  17. Michelle Sellner, LCSWLos Angeles, CA 900181275293136
  18. Kaila Sells, LCSWSacramento, CA 958141417449737
  19. Richard Sells, LCSWLong Beach, CA 908221043393952
  20. Diana Selover, LCSWSepulveda, CA 913431386757367
  21. Mary Selrenik, LCSWLos Angeles, CA 900271497959548
  22. Maxine Seltzer, LCSWDel Mar, CA 920141962556555
  23. Manda Selva, LCSWEl Sobrante, CA 948031306084546
  24. Alexis Selwood, LCSW,MSW,PHDFullerton, CA 928351225199664
  25. David SemanSanta Ana, CA 927051669653614
  26. Kenneth Seman, LCSWRLos Angeles, CA 900591154403269
  27. Rebecca SemanLos Angeles, CA 900171972021079
  28. Andrew Semedo, A.S.WPomona, CA 917671326370453
  29. Jenna Semeiks, LCSWEureka, CA 955011225443203
  30. Kiah Semion, LCSWSacramento, CA 958111942485073
  31. Jennifer Semmes, LCSWEncinitas, CA 920241528396538
  32. Michael Semsky, LCSWOakland, CA 946021730266164
  33. Moushumi Sen, LCSWPleasant Hill, CA 945231013277219
  34. Sonnara SenOakland, CA 946101629758610
  35. Mary Senchyna, LCSWFairfield, CA 945331518153568
  36. Jennifer SeneorSan Diego, CA 921051780370007
  37. Naomi Senft, LCSWSherman Oaks, CA 914111447993647
  38. Scott SengerHayward, CA 945411073862694
  39. Khamnga SengmanyFresno, CA 937101790434371
  40. Gabriel Senn, LCSWLa Jolla, CA 920371407772809
  41. Nan Senzaki, LCSWDavis, CA 956161336308899
  42. Sarah SeoLos Angeles, CA 900111609603257
  43. Sing Yu Seo, LCSWSan Francisco, CA 941211891363602
  44. Youngseong SeoOakland, CA 946121851158158
  45. Kelly SeolasChico, CA 959281427297555
  46. Michelle Sepe, LCSW, PPSCConcord, CA 945191932536026
  47. Adrianna Sepeda, LCSWSanta Ana, CA 927041306402490
  48. Agustina Sepulveda, PHD, LCSWClaremont, CA 917111568344059
  49. Brenda SepulvedaCommerce, CA 900221174871172
  50. Gabriel Sepulveda, RBTSan Diego, CA 921081932671336

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.