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 361 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. Courtney Lennard, LCSWBerkeley, CA 947051013273358
  2. Heidi Lennartz, LCSWSan Fernando, CA 913401003395765
  3. Charles Lennon, LCSWLos Angeles, CA 900121598846800
  4. Kelly Lennon, LCSWSan Francisco, CA 941151659636587
  5. Mazaira Lennon, L.C.S.WPalmdale, CA 935901184895799
  6. Ryan Lennon, MSWSan Diego, CA 921341992289904
  7. Sandra LenoskiOakland, CA 946051073997110
  8. Dedrick LenoxLos Angeles, CA 900731962974048
  9. Laurie Lenrow, L.C.S.W.San Francisco, CA 941161386778322
  10. Allyson Lent, LCSWSan Francisco, CA 941021831566025
  11. Charles Lent, MSW, LCSWHappy Camp, CA 960391265530885
  12. Nancy Lentzner, LCSW, BCDSanta Ana, CA 927051558660399
  13. Joan Lenzner, L.C.S.W.San Francisco, CA 941181023201654
  14. Alejandro Leon, LCSWBakersfield, CA 933091891827770
  15. Araceli LeonSacramento, CA 958231366851354
  16. Catherine Leon, LCSWSacramento, CA 958251285778183
  17. Cristina Leon, LCSWVan Nuys, CA 914051164702361
  18. Daniel Leon, L.C.S.W.Pasadena, CA 911061932376753
  19. David Leon, LCSWLos Angeles, CA 900351780708271
  20. Esmeralda LeonLos Angeles, CA 900381063159457
  21. Esmeralda Leon, LCSWPorterville, CA 932571982781241
  22. Fabio LeonTemecula, CA 925921710397815
  23. Gabriel Leon, LCSWNorco, CA 928601174876304
  24. Gisselle LeonCerritos, CA 907031346790722
  25. Irad LeonRiverside, CA 925011932876703
  26. Karla LeonGlendora, CA 917401457686248
  27. Kimberlin Leon, LCSWSacramento, CA 958201023594892
  28. Lisa Leon, L.C.S.W.Whittier, CA 906051750462453
  29. Lucia Leon, ASW 126566Hayward, CA 945451598248577
  30. Nancy Leon, LCSWBakersfield, CA 933061376770297
  31. Octavio LeonBakersfield, CA 933051124577606
  32. Patricia Leon, LCSWSan Diego, CA 921031427174440
  33. Ruben Leon, ASWOrange, CA 928681811757156
  34. Silvia LeonSan Pedro, CA 907311992438097
  35. Victoria Leon, LCSWMission Viejo, CA 926911528733904
  36. Rosa Leon Hernandez, LCSWSan Jose, CA 951231477207033
  37. Irais Leon-GonzalezSanta Maria, CA 934581497223986
  38. Mara Leon-Hestenes, LCSWNapa, CA 945581639447204
  39. Keila Leon-Martinez, LCSW 79452Los Angeles, CA 900381205951845
  40. Ann Leonard, MSW, LCSWLos Alamitos, CA 907201144450586
  41. Jennifer Leonard, LCSWCosta Mesa, CA 926261053741223
  42. Karen LeonardSanta Monica, CA 904041871477216
  43. Kimberly Leonard, LCSWVista, CA 920811174288203
  44. Mandy Leonards, LCSWCarlsbad, CA 920081619333101
  45. Autumn LeoneSan Jose, CA 951121215490156
  46. David LeongArcadia, CA 910071457088528
  47. Shirley Leong, LCSWSan Francisco, CA 941341639369119
  48. Saul Leopold, M.S.W., PH.D.Santa Rosa, CA 954041760683668
  49. Ian Leotaud, LCSWSacramento, CA 958231790857043
  50. Dana Lepage, LMSWManhattan Beach, CA 902661093961450

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.