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 396 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. Christopher Marchand, LCSWSan Luis Obispo, CA 934051700140696
  2. Eden Marchant, LCSWOakland, CA 946071184037491
  3. Michael Marchant, LCSWBerkeley, CA 947041023034717
  4. Danielle MarchmanOakland, CA 946121982851366
  5. Jorge MarciaLos Angeles, CA 900151780297580
  6. Anahi MarcialSan Diego, CA 921031972152502
  7. Christie Marcial, MSWRialto, CA 923761790810588
  8. Jacob Marciel, LCSWSanta Cruz, CA 950601174831044
  9. Jeremy Marcilla, LCSWDiamond Bar, CA 917651568287498
  10. Meredith Marco, LCSWEncino, CA 914361669810321
  11. Brandi Marcoe Saffle, LCSWSan Diego, CA 921341649403585
  12. Sessy MarconSan Marcos, CA 920691366250425
  13. Myles Marcotte, LCSWLong Beach, CA 908141992219224
  14. Ilana Marcucci-Morris, LCSWSan Leandro, CA 945771982734935
  15. Carole Marcus, LCSWSan Francisco, CA 941181730298415
  16. Isobel MarcusSacramento, CA 958161740535376
  17. Madeleine Marcus, LCSWHayward, CA 945411285835942
  18. Marcene Marcus, L.C.S.W.Mission Viejo, CA 926911871616599
  19. Melissa MarcusLong Beach, CA 908221427133578
  20. Leticia Marczyk, MSWAnaheim, CA 928041578850269
  21. Nancy Mardis, LCSWLodi, CA 952401124138425
  22. Cesar MardonesFairfield, CA 945341578760914
  23. Luisa MardonesSacramento, CA 958251588796197
  24. Shauneet Marduk, L.C.S.W.Stevenson Ranch, CA 913811396078283
  25. Laura Mares, LCSWUkiah, CA 954821063538155
  26. Miguel Mares, ASWMenlo Park, CA 940251295914778
  27. Sarah MaresLos Angeles, CA 900171861141194
  28. William MaresFremont, CA 945381376914960
  29. Karina Mares-AlvarezArcadia, CA 910061497953129
  30. Danealia Maretka, MFTPanorama City, CA 914021518161660
  31. Isabella MarezSierra Madre, CA 910241699655019
  32. Jesse Marez, LCSWMoreno Valley, CA 925531629164991
  33. Sarah MarforiMoreno Valley, CA 925531629827720
  34. Anna Marganska, LCSWCarlsbad, CA 920091093252389
  35. Kassandra MargetisLos Angeles, CA 900451619625530
  36. Gabriela Margil, LCSWVisalia, CA 932921033684592
  37. Marc MargolisOakland, CA 946181326428012
  38. Lisa Margolis-Lefebre, LCSWSanta Monica, CA 904041669502696
  39. Anna Margul, LCSWLos Angeles, CA 900171790121572
  40. Harvey MargulisFresno, CA 937201093198772
  41. Lauren Mari-Navarro, LCSWSanta Cruz, CA 950601093973265
  42. Abigail Mariani, LCSWSan Jose, CA 951381558510321
  43. Christine MarianoLos Angeles, CA 900171396224903
  44. Victoria Maricich, LCSWNewport Beach, CA 926631154475374
  45. Sylvia Marie, LCSW, MFTSebastopol, CA 954721861299463
  46. Mark MarigliaLoma Linda, CA 923571801148705
  47. Pamela Mariglia, LCSWMoreno Valley, CA 925551255672036
  48. Lucy Marigold, LCSWOakland, CA 946091861336877
  49. Lauren MarikuRiverside, CA 925071275907545
  50. Lauren MarimonLos Angeles, CA 900391568057008

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.