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 365 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. Jennifer Lewis, ACSWLakeport, CA 954531437652385
  2. Jhamasa LewisSherman Oaks, CA 914231003593021
  3. Jonathan LewisRiverside, CA 925031215481825
  4. Katherine Lewis, ASWOakland, CA 946011548534472
  5. Kristina LewisSacramento, CA 958111811266984
  6. Larisa Lewis, MSSW, ACSWMartinez, CA 945531982914164
  7. Latania LewisOakland, CA 946121891932000
  8. Latanya LewisMoreno Valley, CA 925571285585091
  9. Leanna Lewis, MSWOakland, CA 946091679772412
  10. Lisa Lewis, L.C.S.W.Orangevale, CA 956621831128263
  11. Louise Lewis, LCSWLa Jolla, CA 920371033109467
  12. Lydia Lewis, M.S.San Diego, CA 921031790719573
  13. Marlo Lewis, LCSWHayward, CA 945411174651194
  14. Marvin Lewis, LCSWLos Angeles, CA 900291417531682
  15. Marylynn-Mimi Lewis, MSW, LCSW, CADCIISacramento, CA 958191073633210
  16. Michelle LewisOakland, CA 946051225249501
  17. Mykeisha Lewis, LCSWOakley, CA 945611548546344
  18. Raymone LewisOakland, CA 946071568355311
  19. Roger Lewis, MSWLos Angeles, CA 900591669551768
  20. Sara Lewis, LCSWRedlands, CA 923731063596583
  21. Sara Lewis, LCSWSacramento, CA 958231316839814
  22. Sarah Lewis, LCSWSan Diego, CA 921081083062582
  23. Sherry Lewis, LCSWOakhurst, CA 936441992923312
  24. Simone LewisCarmichael, CA 956081033633672
  25. Sonia LewisSacramento, CA 958141316406010
  26. Susan Lewis, MSW, LCSWSacramento, CA 958231831899566
  27. Tamika LewisSherman Oaks, CA 914231225571946
  28. Taylor Lewis, MSW, ASWPanorama City, CA 914021023766813
  29. Tiffany Lewis, LCSWSanta Rosa, CA 954011861385700
  30. Virginia Lewis, L.C.S.W.San Francisco, CA 941231316222979
  31. Wendy Lewis, LCSWGranite Bay, CA 957461245241371
  32. Barbara Lewis-ClarkeOakland, CA 946051679778559
  33. Tiffany Lewis-Hill, LCSWSanta Clara, CA 950541699239913
  34. Alana Lewison, LCSWSan Marcos, CA 920691891366647
  35. Kate LewisonSan Diego, CA 921011194159384
  36. Andi Ley, LCSWSouth Lake Tahoe, CA 961501760133656
  37. Sharon LeydenBerkeley, CA 947031801088364
  38. Kyla Rose LeynesSan Fernando, CA 913401801489778
  39. Christi LeyvaSan Diego, CA 921311487279493
  40. Christina Leyva, ACSWAlhambra, CA 918011497263339
  41. Clarissa LeyvaOrange, CA 928681871137950
  42. Crystina LeyvaDowney, CA 902411568102945
  43. Deanna LeyvaLos Angeles, CA 900171942559646
  44. Juan Leyva, LCSWCovina, CA 917231619434297
  45. Lena LeyvaRiverside, CA 925031750112090
  46. Valerie Leyva, LCSWTurlock, CA 953821437389905
  47. Veronica Leyva, LCSWLos Angeles, CA 900181437412228
  48. Ashley Leyva NajeraNorwalk, CA 906501235796046
  49. Katerina LeyzerovichKentfield, CA 949041174129647
  50. Jennifer Lezin, L.C.S.W.Los Altos, CA 940221043429335

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.