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 28 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. Alessandra Aristizabal, LCSWVacaville, CA 956871316648009
  2. Melissa Aristoza, LCSWSacramento, CA 958141457190258
  3. Erica Ariza, LCSWNorco, CA 928601669973343
  4. Adriana ArizonSherman Oaks, CA 914231447880802
  5. Leann Arjona, MSWNorth Hills, CA 913431376810036
  6. Nicole ArkadieGrand Terrace, CA 923131184822868
  7. Alisha Arkebauer, LCSWCitrus Heights, CA 956101275954844
  8. Brian Arkelian, LCSWFresno, CA 937261770643546
  9. Kenneth Arkin, LCSWBellflower, CA 907061891993788
  10. Rene' Arlinghaus, LCSWEscondido, CA 920251568973964
  11. Rebekah Arlt, LCSWStockton, CA 952151134556418
  12. Andrea ArmasOntario, CA 917611558861484
  13. Rosalia ArmasPomona, CA 917671033887435
  14. Sergio ArmasSan Francisco, CA 941031477099158
  15. Nicole Armas KagyLos Angeles, CA 900481235488735
  16. Henrietta Armendarez, LCSWPorterville, CA 932571902987282
  17. Jessica ArmendarizLos Angeles, CA 900081962051268
  18. Vanessa Armendariz, LCSWBakersfield, CA 933091871088575
  19. Alyssa ArmentaSouth Pasadena, CA 910301619521952
  20. Ariadna Armenta, LCSWLos Angeles, CA 900661801311741
  21. Guillermo ArmentaCarson, CA 907461912443268
  22. Lorraine Armenta, LCSWSan Bernardino, CA 924151710120084
  23. Donna Armfield Hume, L.C.S.W.Orange, CA 928661457665226
  24. Rosalie Armijo, LCSWConcord, CA 945191538564026
  25. Steven Armijo, LCSWLong Beach, CA 908021902353667
  26. Shirley Armintrout, L.C.S.W.San Francisco, CA 941141881743961
  27. Alexis ArmitageSan Diego, CA 921541710503065
  28. James ArmourMoreno Valley, CA 925571689254229
  29. Kathleen Armstead, LCSWSan Leandro, CA 945771053137109
  30. Arianna Armstrong, MA, MSW 2022Los Angeles, CA 900411215534060
  31. Jessica Armstrong, LCSWSan Diego, CA 921041083396444
  32. Jessie ArmstrongAnaheim, CA 928051215729231
  33. Keith Armstrong, LCSWSan Francisco, CA 941211659315604
  34. Kelli ArmstrongTorrance, CA 905021851650592
  35. Kerry ArmstrongPittsburg, CA 945651699826545
  36. Leslie ArmstrongStockton, CA 952061972367613
  37. Madeline ArmstrongSan Diego, CA 921231699471565
  38. Rachel Armstrong, LCSWSan Jose, CA 951191942353560
  39. Thomas Armstrong, LCSWSan Diego, CA 921091467930149
  40. Tiffany Armstrong, LCSWSusanville, CA 961301902940844
  41. Kirsten Armstrong-Propes, L.C.S.W.Merced, CA 953401477987154
  42. Aven Lugh Armstrong-Sutton, MSWSacramento, CA 958161578837274
  43. Sarah Arnall, LMSWBerkeley, CA 947041518318575
  44. Jan Arndt, LCSWFresno, CA 937271114074663
  45. David Arnett, MSWLancaster, CA 935351518493816
  46. Kathryn Arnett, LCSWLos Angeles, CA 900151023071941
  47. Lucy Arney, LCSWPiedmont, CA 946111821686825
  48. Anastachia ArnobitAnaheim, CA 928071881094886
  49. Amarilys Arnold, LCSWWoodland Hills, CA 913671508350414
  50. Ashley Arnold, LCSWSan Francisco, CA 941091710559687

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.