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 468 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. Leonor Nila, LCSWLos Angeles, CA 900031306127055
  2. Krista Niles, LCSWOakland, CA 946101720218092
  3. Shani NiloLong Beach, CA 908221417322819
  4. Annica Nilsson, LCSWLong Beach, CA 908131265557862
  5. Linn NimietzEscondido, CA 920251326585043
  6. Tara Nimry, LCSWCarlsbad, CA 920101750920757
  7. Evariste Nimubona, LCSWRepresa, CA 956711427339415
  8. Maria Nin, LCSWSan Juan Capistrano, CA 926751639538440
  9. Gena Ninivaggio, LCSWVacaville, CA 956871700011202
  10. Yusuke Ninomiya, LCSWLong Beach, CA 908061306149018
  11. Esther NioPalo Alto, CA 943031932910874
  12. Ho Yan NipSan Francisco, CA 941031053476796
  13. Darien Nisbett, ACSWAntioch, CA 945091649989351
  14. Heather NisenbaumRedondo Beach, CA 902771548926371
  15. Amanda Nisewaner, LCSWSanta Cruz, CA 950621942574090
  16. Julie Nishikubo, LCSWSan Jose, CA 951271326335290
  17. Carolyn Nishimoto, LCSWSanta Ana, CA 927051659605111
  18. Ingrid Nishimoto, LCSWNorthridge, CA 913241639642622
  19. Katsuyoshi Nishimoto, LCSWLos Angeles, CA 900561851595813
  20. Kristyn NishimotoRancho Cucamonga, CA 917301902171739
  21. Haruyo NishimuraSanta Rosa, CA 954031487029567
  22. Craig Nishioka, L.C.S.WLong Beach, CA 908141932808862
  23. Vicki Nissen, LCSWSan Diego, CA 921191154578474
  24. Giselle Nissenbaum, MSWLos Angeles, CA 900951952233504
  25. Maria Nissly, LCSWGlendora, CA 917411740448851
  26. Christy NitkowskiOakland, CA 946051427524503
  27. Katherine Nitze, LCSWSan Francisco, CA 941171710850318
  28. Emma NiureSherman Oaks, CA 914031831972025
  29. Richard Nizzardini, LCSWSan Francisco, CA 941141841523602
  30. Nancy Njissang, L.C.S.W.Berkeley, CA 947041881612497
  31. Martina NjokuLos Angeles, CA 900481962939074
  32. Raphael Njoku, LCSWLomita, CA 907171457559304
  33. Deborah NkwuoOakland, CA 946021093902348
  34. Erika Nnaji, LCSWRialto, CA 923761245768480
  35. Josephine Nnakigozi, LCSWSan Francisco, CA 941021811226624
  36. Vivian Nnana, LCSWRiverside, CA 925011730636960
  37. Nneka NnohamLos Angeles, CA 900341316612484
  38. Carolyn Noack, LCSWCarlsbad, CA 920091003483900
  39. Lorene Noack, LCSWNevada City, CA 959591740306513
  40. William Noack, MSW, LCSWEncino, CA 914361194938159
  41. Yolanda Noack, MSW, LCSWSherman Oaks, CA 914031801009857
  42. Robin Noall, L.C.S.W.Yuba City, CA 959931831336130
  43. Cheryl Noble, LCSWEl Cajon, CA 920211447387790
  44. David Noble, LCSWSan Francisco, CA 941101265681514
  45. Hugh NobleSan Diego, CA 921101811394059
  46. Isabel NoblePasadena, CA 911071396581351
  47. Nicole NoblesPasadena, CA 911031275240376
  48. Suzannah Noch, LCSWTorrance, CA 905051508091935
  49. Christopher Nochez, LCSWReseda, CA 913351285867846
  50. Nami Nocifera, LCSWMarina Del Rey, CA 902921427325992

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.