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 408 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. Valentina MatosianEncino, CA 914361760250880
  2. Heather Matovu, LCSWSan Diego, CA 921151992968655
  3. Shannon Matricaria, MSWSherman Oaks, CA 914011578786133
  4. Anthony MatriccianiOakland, CA 946091063106029
  5. Rebecca MatschSan Diego, CA 921231649105040
  6. Bruce Matsen, L.C.S.W.Glendale, CA 912071417343187
  7. Susan Matsui, LCSW, PPSCSoquel, CA 950731861680282
  8. Tomoko MatsuiSan Leandro, CA 945781144427881
  9. Ann MatsumotoConcord, CA 945181144755620
  10. Denise Matsumoto, LCSWLakewood, CA 907121184895047
  11. Elsa Matsumoto, LCSWUpland, CA 917861922432541
  12. Jon MatsumotoLos Angeles, CA 900131952688913
  13. Cheryl Matsumura, MSWSan Jose, CA 951161548394406
  14. Jennifer Matsumura, LCSWSherman Oaks, CA 914231548458821
  15. Haruna MatsusakaSanta Cruz, CA 950621275949976
  16. Vivian Matsushige, M.S.W.Los Angeles, CA 900201831375724
  17. Cynthia MatsuuraLos Angeles, CA 900011689122889
  18. Scott Matsuura, LCSW 85567Sebastopol, CA 954721467644849
  19. Michael MattCitrus Heights, CA 956101497641179
  20. Shannon MattaPasadena, CA 911031497157549
  21. Stephanie Mattern, LCSWEl Cajon, CA 920201598492613
  22. Jennifer Matthes, LCSWLos Angeles, CA 900381801313515
  23. Diane MatthewNewhall, CA 913211528154291
  24. Anthony Matthews, MSWSan Diego, CA 921081801040423
  25. Catherine Matthews, LCSWRoseville, CA 956781023650728
  26. Colleen Matthews, LCSWSan Francisco, CA 941071164890463
  27. Deloris Matthews, LCSWIrvine, CA 926181326442708
  28. Diane Matthews, L.C.S.W.Van Nuys, CA 914061023177839
  29. Elizabeth MatthewsSan Diego, CA 921101285385914
  30. Jennifer Matthews, LCSWSanta Monica, CA 904041639205859
  31. Kiana Matthews, ASW 93673Los Angeles, CA 900181043814643
  32. Michelle Matthews, LCSWLos Angeles, CA 900641326351321
  33. Shakeara Matthews, ASWSanta Rosa, CA 954071124905138
  34. Vera Matthews, LCSWAnaheim, CA 928071023215456
  35. Diana Matthiessen, ASWSanta Monica, CA 904051932986916
  36. Susan Matthiessen, LCSWChico, CA 959731497783013
  37. Kendall MattixMurrieta, CA 925621255978961
  38. Debra MattosLemoore, CA 932451558612218
  39. Cynthia Mattson, LCSWHealdsburg, CA 954481871787523
  40. Melissa Matugas, MSWLos Angeles, CA 900161093140535
  41. Jessica Matulich, LCSWSacramento, CA 958171104028596
  42. Geneveve Matundan CharfaurosNewport, CA 926601851676795
  43. Nickie Matus, LCSWFresno, CA 937101699316158
  44. Erin Matzen, LCSWSacramento, CA 958251154579183
  45. Lisa Mau, LCSWSanta Ana, CA 927011346400553
  46. Jennifer Mauceri, LCSWWoodland Hills, CA 913671538484670
  47. Narges Maududi, MSWNewport Beach, CA 926631831621382
  48. Ashley MauerSan Leandro, CA 945781336765544
  49. Lesli Maul, LCSWYorba Linda, CA 928861215986518
  50. Angelica Maulucci, LCSWSan Jose, CA 951281427782218

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.