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 480 of 726.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 1041C0700X · method

Los Angeles has the most, 4,806

Clinical Social Worker records in California

  1. Maribel OnstottTemecula, CA 925911548816200
  2. Claudia Ontiveros, LCSWLos Angeles, CA 900171306225644
  3. Eric OntiverosRiverside, CA 925071194013193
  4. Ngozi Onwualu, L.C.S.WLos Angeles, CA 900571619017423
  5. Bryan OnwukaSan Leandro, CA 945781578740916
  6. Precious OnwukaLos Angeles, CA 900371790568517
  7. Fidelia OnyejekweMartinez, CA 945531871010629
  8. Chioma Onyekwere, LCSWLos Angeles, CA 900951164185849
  9. Nicole OparaLos Angeles, CA 900071649921735
  10. Erma Oppenheim, LCSWLos Angeles, CA 900121013099431
  11. Rena Oppenheimer, LCSWBerkeley, CA 947051871282178
  12. Robert Oppenheimer, LCSWLos Angeles, CA 900271487850616
  13. Cassandra OpreSanta Ana, CA 927051235862541
  14. Allison Orach, MSWCampbell, CA 950081902248305
  15. Latrice OrantesLancaster, CA 935361902264047
  16. Virginia Orantes, LCSWSan Fernando, CA 913401518206598
  17. Tarra Oravec, LCSWFremont, CA 945381801244520
  18. Molly Orchard, LCSWPasadena, CA 911011073087979
  19. Jessica Ordaz, ACSWLong Beach, CA 908071497363899
  20. Lettie Ordone, LCSWTracy, CA 953761932433778
  21. Nayeli OrdonezSan Bernardino, CA 924011376886234
  22. Roby OrdonezOxnard, CA 930331851878995
  23. Marilyn OrdoricaLa Jolla, CA 920371144731274
  24. Jamie Ore, LCSWLos Angeles, CA 900201417456252
  25. Pamela Orebaugh, MSWSonora, CA 953701639878036
  26. Claudia OreegalTemecula, CA 925921215575949
  27. Aurora OregelOrange, CA 928681649546615
  28. Alyssa Marie OrellanaMerced, CA 953411790391316
  29. Ana Orellana, LCSWAnaheim, CA 928061942004098
  30. Jessica OrellanaLos Angeles, CA 900071023430881
  31. Lili Orellana, LCSWSanta Monica, CA 904041700182680
  32. Mitzuky OrellanaLos Angeles, CA 900261205317666
  33. Sandy OrellanaValencia, CA 913551922789346
  34. Silvia OrellanaSanta Monica, CA 904041700455805
  35. Vivian Orellana, LCSWSan Diego, CA 921101437767738
  36. Yanex OrellanaSan Jose, CA 951381982245007
  37. Yanira Orellana, LCSWUpland, CA 917861396873766
  38. Ana Orellana Monroy, LCSWLos Angeles, CA 900171316425226
  39. Reyna Orellana VegaSacramento, CA 958141720426828
  40. Theresa Orelli, L.C.S.W.San Diego, CA 921081760670715
  41. Meranda OrenchukCitrus Heights, CA 956101225679038
  42. Alexis Mackenzie Orens, LCSWLos Angeles, CA 900311073980033
  43. Daniel OrfilaLos Angeles, CA 900351255760393
  44. Carla Orieta, LCSWTarzana, CA 913561205366184
  45. Ryan OrihoodConcord, CA 945201679322770
  46. Alanis Marlene Orina, LCSW, PPSGarden Grove, CA 928401871462879
  47. Maria Teresa OrinionLos Angeles, CA 900201629939608
  48. Jennifer Orlando, MSW, LCSWSan Francisco, CA 941211992364061
  49. Miriam Orlando, LCSWSan Jose, CA 951101841325081
  50. Barbara Orlik, LCSWVan Nuys, CA 914061689798860

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.