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 342 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. E Barbara Koretz, B.C.D., L.C.S.W.Encino, CA 914361306911441
  2. William Korn, LCSW, MSW, M.ED.Los Angeles, CA 900181962741132
  3. Louisa Kornblatt, LCSWSanta Clara, CA 950541588334791
  4. Brent KornishModesto, CA 953551578939872
  5. Brian KornobisSan Francisco, CA 941101467707356
  6. Henri Koroveshi, LCSWIrvine, CA 926041316601479
  7. Janet Korpela, MSWSanta Maria, CA 934541326462326
  8. Alexandra Korsunskaya, LCSWSan Francisco, CA 941021811100712
  9. Sarah Korsunsky, LCSWSan Mateo, CA 944021568610111
  10. Cristina Kosakowski, LCSWSacramento, CA 958201114274651
  11. Ekatherina Kosarenko, LCSWLos Angeles, CA 900251801188610
  12. Kathleen Kosche, LCSWLong Beach, CA 908071780769828
  13. Nicole KoscielakSanta Fe Springs, CA 906701538502794
  14. Alishia KoshmerlBanning, CA 922201861295677
  15. Nicholas KoshtLong Beach, CA 908071124990528
  16. Ann Kosinski, LCSWOxnard, CA 930361588671242
  17. Hope Koskey, LCSWLos Angeles, CA 900041598884868
  18. Karen KoskinenWildomar, CA 925951356070502
  19. Adrianna KosobuckiLa Jolla, CA 920371033932306
  20. Megan Kossar, L.C.S.W.San Francisco, CA 941211134150519
  21. Liana KostandyanLos Angeles, CA 900201073901989
  22. Farial Kosten, MSWNorth Hills, CA 913431083893416
  23. Jane Kostka, LCSWSacramento, CA 958251871655837
  24. Linda KostreAntioch, CA 945311790409803
  25. Marilyn Kostry, MSW, LCSWMoreno Valley, CA 925571437377033
  26. Herman Kothe, LCSWCarmichael, CA 956081326868357
  27. Ellen Kotkin, LCSWIrvine, CA 926061457780686
  28. Karl KottkeSanta Ana, CA 927051245878834
  29. Katrin KoutassevitchPasadena, CA 911011548759269
  30. Rachel Koutnik, LCSWCulver City, CA 902301508154865
  31. Nathalie KouyumjianCulver City, CA 902301790401867
  32. Danielle Kovac, LCSWSan Diego, CA 921091346638988
  33. Julie Kovac, LCSWLong Beach, CA 908061841367877
  34. Kathleen Kovac, LCSWVacaville, CA 956961366730350
  35. Christine Kovach, LCSWAlameda, CA 945011184943904
  36. Molly KovachSanta Cruz, CA 950621851954184
  37. Philip Kovacik, LCSW, PPSCConcord, CA 945191093140329
  38. Abby KovalskySan Francisco, CA 941151568639136
  39. Julie KovitzUnion City, CA 945871134281702
  40. Yasuko Kowalchuk, MSW, LCSWLos Angeles, CA 900131710197892
  41. Kristen Kowalczyk, LCSWLaguna Hills, CA 926531942786678
  42. Patrick Kowalski, LCSWSan Francisco, CA 941031003133810
  43. Angela Kozak-Embrey, LCSWSacramento, CA 958231780934109
  44. Olivia Kozarev, LCSWEl Cajon, CA 920211003211343
  45. Pamela Kozlow, LCSWElk Grove, CA 956241992900153
  46. Lisa KozlowskiCorona, CA 928821831438613
  47. Nicole Kozycz, LCSWSacramento, CA 958201700187655
  48. Destiney KracherYuba City, CA 959911093304040
  49. Barbara Kraemer, LCSWGranada Hills, CA 913441437270071
  50. Dan Kraft, LCSWOrange, CA 928681467507491

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.