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 466 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. Mimi Nguyen, LCSWLos Angeles, CA 900181851415483
  2. Minhtuan Nguyen, LCSWSan Jose, CA 951121619091022
  3. Miranda NguyenAlameda, CA 945011154271732
  4. Monique Nguyen, LCSW, PPSCLos Angeles, CA 900171427660448
  5. My Nguyen, LCSWRoseville, CA 956781063761088
  6. My Diem Nguyen, LMSWSan Jacinto, CA 925831487146023
  7. Nancy Nguyen, MSWSan Diego, CA 921101518395250
  8. Natalie Nguyen, MSWSanta Ana, CA 927061134298144
  9. Nga Nguyen, LCSWOceanside, CA 920541457125114
  10. Nga Nguyen, LCSWSan Jose, CA 951121225238678
  11. Nghia Nguyen, LCSWSan Jose, CA 951221821313032
  12. Nhi NguyenSanta Cruz, CA 950621487960027
  13. Nhung Nguyen, M.S.WOrange, CA 928681295900082
  14. Nicole NguyenGarden Grove, CA 928401225571227
  15. Phuoc Nguyen, MSWStockton, CA 952071881716330
  16. Phuong Nguyen, MSW, LCSWRosemead, CA 917701851955280
  17. Phuong Nguyen, ASWSan Jose, CA 951101447375936
  18. Phuong Thanh Nguyen, LCSWWestminster, CA 926831780905661
  19. Reo NguyenSan Jose, CA 951281215657192
  20. Rose Nguyen, LCSW, MSWGarden Grove, CA 928431548466139
  21. Ryan Nguyen, LCSWSan Francisco, CA 941331639292154
  22. Sarah NguyenSanta Ana, CA 927061861771545
  23. Stephanie NguyenLa Habra, CA 906311750783940
  24. Stephanie NguyenFremont, CA 945381841606241
  25. Thanh-Van NguyenOakland, CA 946061548025927
  26. Theresa Nguyen, LCSWDowney, CA 902421487055398
  27. Thienhuong NguyenGardena, CA 902491497903181
  28. Thuan Nguyen, LCSWPalm Springs, CA 922621285123133
  29. Thuy Nguyen, MSW ASWWestminster, CA 926831467615211
  30. Trinh Thi NguyenSanta Ana, CA 927051912214891
  31. Trinity NguyenRosemead, CA 917701215244512
  32. Uyen NguyenSan Mateo, CA 944031114406386
  33. Wendy Nguyen, MSWArcadia, CA 910061922186444
  34. Wendy Nguyen, BSW, MSW, LCSWRancho Cordova, CA 957421639555188
  35. Young Nguyen, MSW, LCSWLos Alamitos, CA 907201386867950
  36. Jessica Nguyen Bear, MSWLos Angeles, CA 900041558820175
  37. Thuy Nguyen-Smith, MSW, LCSWSan Francisco, CA 941331013099167
  38. Nicole Nia, LCSWLos Angeles, CA 900201821513532
  39. Lelah Nichol, L.C.S.WSan Rafael, CA 949031598829236
  40. Rosemary Nichol, LCSWNapa, CA 945581437364015
  41. Melanie Nicholls, LCSWSan Diego, CA 921081922767581
  42. Ann Marie Nichols, L.C.S.WRamona, CA 920651285014852
  43. Kristen NicholsYorba Linda, CA 928861437776341
  44. Laura Nichols, MSWWoodland, CA 956951184873374
  45. Nicole Nichols, M.S.W.Santa Monica, CA 904041518093350
  46. Priscilla NicholsOxnard, CA 930361992247233
  47. Sara Nichols, LCSWFolsom, CA 956301295367985
  48. Shannon Nichols, LCSWOrange, CA 928691013650779
  49. William Nichols, LCSWSacramento, CA 958261053335042
  50. Christina Nicholson, LCSWStockton, CA 952091942424627

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.