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 158 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. Katherine DellaferaPasadena, CA 911011578137329
  2. Virginia Dellaverson, MSWLos Angeles, CA 900641003943366
  3. Shannon Dellinger, LCSWVentura, CA 930031659625887
  4. Sarah Delmonte, ASWHayward, CA 945451245839471
  5. Nicole Delong, ACSWSanta Clarita, CA 913511457144305
  6. David Delos Reyes, LCSWSanta Clara, CA 950541225654288
  7. Maryam Delsen, LCSWEscondido, CA 920261518277987
  8. Rita Deltoro, ACSWOxnard, CA 930361184741746
  9. Jacqueline Deluca, LCSW113846Los Angeles, CA 900271235638255
  10. Cari Delucchi, LCSWSacramento, CA 958111679974240
  11. Ana Delvillar, L.C.S.W.Visalia, CA 932911033208533
  12. Madeleine Dem, ACSWLos Angeles, CA 900641588508774
  13. Carina DemanigoldLa Mesa, CA 919421346846284
  14. Stacy DemarRedding, CA 960011740517556
  15. Gina DemarcoRoseville, CA 956611558078998
  16. Nicole Demarcus, MATustin, CA 927801679294722
  17. Diane Demartino, LCSWLos Angeles, CA 900251366791360
  18. Gina DemasiSan Diego, CA 921071578324737
  19. Abigail DemboBerkeley, CA 947051013694884
  20. Nastaran DemehriLake Forest, CA 926301649914268
  21. John Demello, LCSWOakland, CA 946101033227558
  22. Elise Demerdjian, LCSWGlendale, CA 912021245395912
  23. Donna DemerjianSanta Ana, CA 927051770645459
  24. Paul Demeules, LCSWSan Diego, CA 921031104951219
  25. Ernie Demis, LCSWMontrose, CA 910201043309982
  26. Chloe Demisch, LCSWSan Francisco, CA 941021093925067
  27. Katherine Demmler, LCSWSan Diego, CA 921201700069341
  28. Rosemarie DemonacoLos Angeles, CA 900171114177243
  29. Suzanne Demong, LCSWSan Diego, CA 921031629139530
  30. Michael Demoratz, MSW, LCSW, PHD CCMTustin, CA 927801952084337
  31. Deverie Demornay, LCSWCamarillo, CA 930101396082764
  32. Joy Demos, MSWSan Francisco, CA 941211154616886
  33. Sarah DempeLos Angeles, CA 900011053866889
  34. Elizabeth Dempsey, LCSWAliso Viejo, CA 926561437730405
  35. James Dempsey, LCSWSanta Ana, CA 927011275624595
  36. Natalie Demus, LCSWCarson, CA 907461346448610
  37. Alex DemyAuburn, CA 956031528420445
  38. Christine Denaro, LCSWSan Diego, CA 921111316587504
  39. Melissa DeneauSalinas, CA 939011649448069
  40. Tiffany Deneau, LCSWBakersfield, CA 933051053722835
  41. Jie DengLos Angeles, CA 900151447531819
  42. Kathryn Denham, MSWVacaville, CA 956881881730513
  43. Meghan Denike, LCSWLakewood, CA 907121639364177
  44. Briana DenkinsUniversal City, CA 916081144647397
  45. Richard Denman, LCSWRough And Ready, CA 959751538232038
  46. Andrew Dennett, LCSWBeverly Hills, CA 902121972369809
  47. Stella Dennett, LCSWLos Angeles, CA 900641639628035
  48. Amy Dennis, LCSWRiverside, CA 925051578063632
  49. Brittaney Dennis, ASWCompton, CA 902211225319791
  50. Chelsea DennisSacramento, CA 958261245170612

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.