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 474 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. Maureen O'Neil, LCSWSan Francisco, CA 941031245456334
  2. Nancy O'Neil, LCSWPleasant Hill, CA 945231598070575
  3. Amy O'Neill, LCSWAliso Viejo, CA 926561124110028
  4. Andrew O'Neill, LCSWTemecula, CA 925921588911879
  5. Chelsea O'Neill, ACSWLos Angeles, CA 900251295566743
  6. Mary O'Neill, LCSWPleasanton, CA 945881417217878
  7. Michael O'Neill, LCSWGreenbrae, CA 949041225431349
  8. Vanessa O'NeillLynwood, CA 902621093834137
  9. Acacia O'QuinnSan Diego, CA 921101932333200
  10. Annemarie O'Reilly, LCSWYreka, CA 960971902576895
  11. Jennifer O'RyanSacramento, CA 958241275131492
  12. Diane O'Shea, MSW, LCSWBeale Afb, CA 959031124301767
  13. Karen O'Shell, LCSWEureka, CA 955011104954353
  14. Gavin O'SullivanColfax, CA 957131588782593
  15. Corrie O'Toole, MSWGarden Grove, CA 928451609071026
  16. Joseph O'Toole, MSWGarden Grove, CA 928451508061920
  17. Aja Oakman-Mahaffey, LCSWRoseville, CA 956611801439187
  18. Miyoko Oaks, LCSWPatton, CA 923691558408047
  19. Maniya Vanessa OandasanLos Angeles, CA 900171821583915
  20. Ahmed Obakhume, LCSWRiverside, CA 925011295369072
  21. Jaelyn May ObanaSan Diego, CA 921231073221032
  22. Jessica Obana, LCSWSan Diego, CA 921611861684417
  23. Andrew ObandoOceanside, CA 920541144715202
  24. Ofra Obejas, LCSWRedondo Beach, CA 902771316062920
  25. Penelope Oberhardt, LCSWLa Crescenta, CA 912141336390525
  26. Sarah OberhauserLa Palma, CA 906231043803794
  27. Shireen Oberman, LCSWBeverly Hills, CA 902121760527535
  28. Rajni Oberoi, LCSWAltadena, CA 910011609501725
  29. Cynthia Obershaw, LCSWCoalinga, CA 932101619148590
  30. Fernanda ObesoGlendale, CA 912031003306549
  31. Tara ObidigboElk Grove, CA 957581134991359
  32. Charles ObikaCompton, CA 902211669599502
  33. Josephine ObregonLoma Linda, CA 923571710260781
  34. Veronica Obregon, LCSWLos Angeles, CA 900631073751822
  35. Theresa Obrero, LCSWSan Quentin, CA 949641457555757
  36. Jean Obrien, LCSWSan Jose, CA 951281265604854
  37. Patricia Obrien, LCSWSan Diego, CA 921081083251185
  38. Mariah OcaLos Angeles, CA 900211205506466
  39. Adrienne Soleil OcampoSan Rafael, CA 949011932052784
  40. Erika OcampoGlendale, CA 912051659760494
  41. Felipe Ocampo, MSWHacienda Heights, CA 917451760866982
  42. Janeth Ocampo, ACSW, PPSC, CWALos Angeles, CA 900171841953304
  43. Laura Ocampo, LCSWLos Angeles, CA 900311093200040
  44. Rachel OcampoLos Angeles, CA 900111043863178
  45. Troy Ocampo, MSWFresno, CA 937211053299586
  46. Carolina Ocampo Martinez, LCSWOrange, CA 928681346575347
  47. Adriana Ocampo Torres, MSW, LCSWMonterey Park, CA 917541487990487
  48. Angela Ocasio, LCSWCanyon Lake, CA 925871568262251
  49. Arthur OcasioLos Angeles, CA 900171386045698
  50. Rosa Ocegueda, ASW73155Montclair, CA 917631336890516

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.