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 477 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. Mario OjedaCulver City, CA 902301891204368
  2. Monserrat OjedaLos Angeles, CA 900171417682121
  3. Ola OjeikereLynwood, CA 902621518484773
  4. Katia OjendizOrange, CA 928681376296046
  5. Lusette Okada, LCSWSan Bruno, CA 940661568885564
  6. Obiajulum OkaforRiverside, CA 925031619693942
  7. Simmone OkamotoLos Angeles, CA 900451669248043
  8. Korin Okamura, LCSWHayward, CA 945451508166802
  9. Marian Okamura, LCSWOakland, CA 946181053679340
  10. Michiyo Okano, LCSWLos Angeles, CA 900451992846083
  11. Carolyn Okazaki, LCSWEncino, CA 914361619004033
  12. Lisa Okeefe, LCSWEureka, CA 955011801317052
  13. Maura OkeefeSacramento, CA 958231235766585
  14. Chisara Okehi, LCSWVacaville, CA 956871720956717
  15. Esmeralda OkendoAntioch, CA 945311588278170
  16. Natasha OkhuoyaSanta Rosa, CA 954091124859897
  17. Thomas Oki, MSWSanta Monica, CA 904051871690198
  18. Princess OkiemeRolling Hills Estates, CA 902741639643323
  19. Donishea Okoene, ACSWLos Angeles, CA 900171780455394
  20. Uche Okolie, LCSW, LICSWLos Angeles, CA 900171427526664
  21. Jane Okon, L.C.S.W.Cupertino, CA 950141285702761
  22. Jemine Okotie-Yesin, ASWLos Angeles, CA 900181437007176
  23. Ifeoma OkparaLos Angeles, CA 900141992599500
  24. Onuabuchi Okpon, LMSWLos Angeles, CA 900731922699743
  25. Stefanie Okumura, LCSWVan Nuys, CA 914061093112104
  26. Jacqueline OlaesSan Diego, CA 921081427906130
  27. Kristin OlafsonSanta Cruz, CA 950601720204357
  28. Linda Olanisa, LCSWSan Bernardino, CA 924071649867581
  29. Zack OldenburgLos Angeles, CA 900271487987848
  30. Thomas Oldenburger, LCSWLos Angeles, CA 900391114937778
  31. Jaymie OleaNorth Hollywood, CA 916061285569137
  32. Stacy OleaFullerton, CA 928311073295242
  33. Thomas Oleniacz, M.S.W.Los Angeles, CA 900731588602205
  34. Kim Olenic, MSW, LCSWSan Mateo, CA 944021144655440
  35. Mariel Olenick, LCSWTarzana, CA 913561518793173
  36. Gene Oler, PHD, MSWHollister, CA 950231396181897
  37. Mary OlertLos Angeles, CA 900111558951939
  38. Lewis Oleson, LCSWDavis, CA 956161558587790
  39. Samantha Oleson, LCSWFresno, CA 937101003431958
  40. Alejandra Olguin, ASWNapa, CA 945591508399189
  41. Kathleen Oliaro, MSWMadera, CA 936381073723235
  42. Diana OligerIndio, CA 922011134786742
  43. Marian Oliker, LCSWSanta Cruz, CA 950601073752929
  44. Beth Olin, LCSWSan Diego, CA 921101356470868
  45. Richard Olinger, LCSWLos Angeles, CA 900281386201861
  46. Robin Olip-Booth, LCSWEl Cerrito, CA 945301023658846
  47. Jennifer Oliphant, LCSWGrass Valley, CA 959451962760660
  48. Artemisa Oliva, LCSWEl Monte, CA 917311972630135
  49. Francey OlivaSan Bernardino, CA 924151265088629
  50. Rosemarie Oliva, LCSWSalinas, CA 939061861520470

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.