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 596 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. Jamie SepulvedaRoseville, CA 956611346412038
  2. Marissa Sepulveda, ASWSanta Monica, CA 904041235907965
  3. Marlyn Sepulveda, LCSWSacramento, CA 958211669674776
  4. Natalia SequeiraLong Beach, CA 908221730730227
  5. Sherri SeraNorthridge, CA 913241124718333
  6. Andrea Serafin, LCSWLong Beach, CA 908221245560564
  7. Heather Serafin, ACSWSan Diego, CA 921101114544921
  8. Mercedes SerafiniLong Beach, CA 908041346579992
  9. Alexandra Serafini- Tapia, LCSWChino, CA 917101285187849
  10. Annette SerdaVisalia, CA 932921871135814
  11. John Sergent, ASWCarmichael, CA 956081023349412
  12. Dominic Sermeno, ACSWLos Angeles, CA 900201407231533
  13. Jacob SermenoWhittier, CA 906051427977404
  14. Analisa Serna, L.C.S.W.Orange, CA 928681942753546
  15. Celestine Serna, LCSWStockton, CA 952071831935758
  16. Elizabeth SernaTulare, CA 932741962299016
  17. Emily Serna, MSWLong Beach, CA 908021699905059
  18. Javier SernaPasadena, CA 911051699046631
  19. Jessica Serna, MSWCovina, CA 917241407527393
  20. Kimberly SernaSan Marcos, CA 920781003574682
  21. Patricia Serna, L.C.S.W.Long Beach, CA 908131033328406
  22. Viridiana SernaLos Angeles, CA 900111386033546
  23. Juan Serna Ramirez, LCSWLancaster, CA 935361487505756
  24. Sonia Serna Thompson, MSW, LCSWLong Beach, CA 908071366621856
  25. Evelyn Serna-Balderas, MSW, ACSWRiverside, CA 925071215557657
  26. Lexi Serpa, LCSWCeres, CA 953071649930454
  27. Marlyn Serralde, LCSWWoodlake, CA 932861831968445
  28. Alexis Serrano, ASWManteca, CA 953371669949996
  29. Antonio Serrano, LCSWGuadalupe, CA 934341225652498
  30. Debbie Serrano, LCSWPleasanton, CA 945881356741060
  31. Elizabeth SerranoLos Angeles, CA 900261053830232
  32. Gabriel Serrano, LCSWSan Diego, CA 921201649676362
  33. Isai Serrano, LCSWBermuda Dunes, CA 922031114487923
  34. Itzayana SerranoEl Centro, CA 922431336840693
  35. Katrina Serrano, LCSWBerkeley, CA 947041992476337
  36. Lizette SerranoFrench Camp, CA 952311720596851
  37. Magdalena Serrano, M.S.W,L.C.S.W.Santa Maria, CA 934551609126655
  38. Melissa SerranoMerced, CA 953481083487128
  39. Renalyn Mae Serrano, ASWSan Diego, CA 921051730007147
  40. Rosana Serrano, LCSWLos Angeles, CA 900171245546837
  41. Stacy SerranoLos Angeles, CA 900621770074254
  42. Vanessa Serrano, LCSWSan Jose, CA 951311790141067
  43. Sandra Serrano CaneteLos Angeles, CA 900151629940887
  44. Alberto Serrano-BrothersEncino, CA 914361093010365
  45. Denise Serrato, LCSW, CASAC-TLos Angeles, CA 900221154519924
  46. Elizabeth Serrato, MSWLos Angeles, CA 900171942685516
  47. Emily Serrato, ASW, PPSCFresno, CA 937281902637234
  48. Jesus SerratoSan Diego, CA 921011447129325
  49. Regina SerratoChico, CA 959261295543627
  50. Graciela SerratosOakland, CA 946101134976632

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.