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 506 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. Carole Petersen, LCSWSonoma, CA 954761356487706
  2. Celia Petersen, LCSWLos Angeles, CA 900131093068355
  3. Deanna Petersen, LCSWCoronado, CA 921181679668149
  4. Henry Petersen, L.C.S.W.San Diego, CA 921231053665182
  5. Kari Petersen, LCSWEmeryville, CA 946081356478978
  6. Melanie PetersenOakland, CA 946181346891512
  7. Michael Petersen, LCSWSacramento, CA 958201346254935
  8. Richard PetersenSusanville, CA 961301316754849
  9. Alexandra Peterson, LCSWVan Nuys, CA 914061386021301
  10. Erin PetersonArcata, CA 955211811867724
  11. Gayle Peterson, LCSW,PHDGrass Valley, CA 959491033211883
  12. Hannah PetersonNorthridge, CA 913251386293314
  13. J Peterson, LCSWMonterey, CA 939401801122411
  14. Jamie Peterson, LCSWTracy, CA 953771831256577
  15. Jammie PetersonLancaster, CA 935341518259605
  16. Jeraleen Peterson, LCSWRancho Cucamonga, CA 917301063635563
  17. Joanna Peterson, ACSWRoseville, CA 956611467609487
  18. Krista Peterson, LCSWMartinez, CA 945531700279361
  19. Leslie Peterson, MSWOceanside, CA 920561942404363
  20. Mackenzie PetersonTruckee, CA 961611447086970
  21. Michael Peterson, LCSWWest Hollywood, CA 900461750651113
  22. Michele Peterson, LCSWTemecula, CA 925901275526980
  23. Michelle PetersonAuburn, CA 956031700545902
  24. Misty Peterson, SOCIAL WORKERSalinas, CA 939061396637195
  25. Sally Peterson, LCSWSan Diego, CA 921081750838942
  26. Scott Peterson, LCSWAnaheim, CA 928011104632959
  27. Shanice Peterson, LCSWSan Diego, CA 921011861037145
  28. Sharon PetersonSan Diego, CA 921231083230437
  29. Stacy Peterson, LCSWSan Francisco, CA 941181821314774
  30. Steven Peterson, LCSW #23821Dublin, CA 945681578797437
  31. Tamatha PetersonAuburn, CA 956031033241898
  32. Thomas Peterson, LCSWRiverside, CA 925071063693299
  33. Tracy Peterson, LCSWBerkeley, CA 947071033810288
  34. Claude Petite, LCSWLos Angeles, CA 900131518046473
  35. Anneliese PetittEscondido, CA 920251134014160
  36. Ana Petitte, LCSWEl Cajon, CA 920201043332174
  37. Emma PetreeHalf Moon Bay, CA 940191003730359
  38. Karen PetrenTorrance, CA 905051427180280
  39. Dana PetrichVan Nuys, CA 914051447939301
  40. Natalie-Anne PetrieSacramento, CA 958141184546749
  41. Jeanette Petrini, LCSWSan Diego, CA 921611982948931
  42. Anjelica PetrisSanta Ana, CA 927011750209318
  43. Alex Petro, MSW, LCSWSan Diego, CA 921041891455390
  44. Jennifer Petroff, LCSWSan Jose, CA 951241770203127
  45. Christopher Petrone, LCSWSan Jose, CA 951191033209689
  46. Stella Petros, LCSWGlendale, CA 912031063540391
  47. Anush PetrosyanSan Diego, CA 921231063196350
  48. Nataly Petrovic, LCSWLos Angeles, CA 900951205124781
  49. Bertha Pettaway, LCSWLos Angeles, CA 900171306037528
  50. Mae Petti, MSWAlbany, CA 947061083462642

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.