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 135 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. Rosemary CorzineSan Diego, CA 921111831553221
  2. Jessica Corzo, LCSWOakland, CA 946021609362045
  3. Joanne Corzo, LCSWFresno, CA 937221427893015
  4. Valeska Cosci, L.C.S.WSanta Monica, CA 904031578688446
  5. Myriam Cosey, LCSWRedlands, CA 923731275104192
  6. Amanda Cosio-Bognuda-Corcoran, LCSWSan Luis Obispo, CA 934011497062236
  7. Katrina Cosner, MPH, MSW, LCSWModesto, CA 953541861688517
  8. Steven Cospewicz, LCSWLos Angeles, CA 900141578876504
  9. Wanda Cossairt, LCSWRed Bluff, CA 960801861577751
  10. Ann Costa, LCSWLong Beach, CA 908221184652646
  11. Arlene Costa, LCSWFresno, CA 937201730276544
  12. Audrey Costa, LCSWGilroy, CA 950201124671763
  13. Dawn Costa, LCSWModesto, CA 953541861137028
  14. Liam CostaPasadena, CA 911051316622046
  15. Renee CostaVista, CA 920841083456214
  16. Richard Costa, L.C.S.W.Sacramento, CA 958271760416820
  17. Patricia Costales, LCSWCulver City, CA 902301700910890
  18. Tatiana Costales, LCSWChino Hills, CA 917091639754419
  19. Rita Marie Costanian, LCSWBurbank, CA 915051366951444
  20. Frank Costello, L.C.S.W.Northridge, CA 913251811182157
  21. Jennifer Costello, LCSWTemecula, CA 925901619506250
  22. Joanna Costello, LCSWConcord, CA 945211144548017
  23. Lucia CotaHuntington Park, CA 902551518041300
  24. Sasha CotaSan Diego, CA 921231417525783
  25. Victor Cota, PH.D.Santa Ana, CA 927011043310691
  26. Stephanie Cotcher, LCSW, PPSCSanta Clarita, CA 913501659857746
  27. Diane Cote, LCSWSan Francisco, CA 941081477717023
  28. Nancy Cotham, LCSWMonterey, CA 939401083745798
  29. Joanne CotoWhittier, CA 906041003114224
  30. Nancy Cotom-LopezLong Beach, CA 908071497578512
  31. Jamaal CotrightOakland, CA 946021235459629
  32. Deborah CottSacramento, CA 958171821141847
  33. Marni Cotta-Warren, ASWSacramento, CA 958251376178673
  34. Kary Cotter, LCSWOakland, CA 946111689610677
  35. Nancy Cottingham, LCSWSan Diego, CA 921031245819614
  36. Margy Cottle, LCSW PHDSanta Cruz, CA 950601477624195
  37. Suzanne Cottle, LCSWPalo Alto, CA 943041790895761
  38. Kimberly Cotton, ASWCampbell, CA 950081881338408
  39. Shanoan CottonLos Angeles, CA 900171982080610
  40. Amy Couch, LCSWSanta Ana, CA 927011164771507
  41. Elizabeth Coudright, LCSWFairfield, CA 945331467849554
  42. Libby CoufalNewbury Park, CA 913201083437404
  43. Valerie CoukoulisRedondo Beach, CA 902771982157483
  44. Melissa Coulson, LCSWRiverside, CA 925061346865946
  45. Cheri Coulter, LCSWSan Bruno, CA 940661477604585
  46. Megan Coulter, LCSWSanta Monica, CA 904031154799492
  47. Michael CoulterSan Jose, CA 951121538698949
  48. Sara Coulter, LCSWSalinas, CA 939011487313680
  49. Angela Coulter DiazLos Angeles, CA 900951487940862
  50. Leticia Council, LCSWSquaw Valley, CA 936751265697940

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.