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 545 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. Karen Ritter, LCSWSan Diego, CA 921311790775781
  2. Penny Ritter, MSWNewhall, CA 913211326267774
  3. Sonja Ritter, LCSWSan Jose, CA 951281427565035
  4. Susan Ritter, LCSWLos Angeles, CA 900111356478200
  5. Elizabeth RittiSan Diego, CA 921111043683576
  6. Frank Ritz, ASWSan Diego, CA 921201063159333
  7. Marie Ritz, LCSWSherman Oaks, CA 914231114256047
  8. Amelia Ritzenberg-Crary, LCSWSan Francisco, CA 941101932681293
  9. Kelly Rivadeneyra, MSW, LCSWSan Marcos, CA 920691790242469
  10. Alfonso Rivas, PPSCGarden Grove, CA 928401407239858
  11. Angelica Rivas, LCSWBakersfield, CA 933071881961811
  12. Anissa RivasSan Diego, CA 921541548999899
  13. Cecilia Rivas, LCSWSanta Monica, CA 904041457058059
  14. Ciel Rivas, MSWNorthridge, CA 913251629706411
  15. Cindy Rivas, LCSWDowney, CA 902401881719433
  16. Darlene RivasLos Angeles, CA 900171790086064
  17. Guadalupe RivasDiamond Springs, CA 956191629686712
  18. Kristen RivasLos Angeles, CA 900331003301029
  19. Maria Rivas, LCSWLos Angeles, CA 900031821580952
  20. Marilyn Rivas, LCSWWhittier, CA 906011043715949
  21. Mayra Rivas, LCSWMontebello, CA 906401528420163
  22. Nansi RivasLa Jolla, CA 920931306672506
  23. Pedro RivasLos Angeles, CA 900171982203956
  24. Valerie Rivas, ASWSan Rafael, CA 949011700708393
  25. Vanessa Rivas, LCSWLos Angeles, CA 900131972814507
  26. Yasuri Rivas, LCSWVan Nuys, CA 914061427567361
  27. Berta Rivas Sanchez, LCSWVictorville, CA 923951679109292
  28. Julie Rivas-Castaneda, L.C.S.W.Los Angeles, CA 900051841342920
  29. Yulisa Rivas-Olivares, LCSWStockton, CA 952021801445085
  30. Ann Rivello, LCSWBelmont, CA 940021255643938
  31. Aaron RiveraCompton, CA 902201205234937
  32. Alejandro RiveraLos Angeles, CA 900171528555323
  33. Alicia RiveraArcadia, CA 910061053759639
  34. Anastasia Rivera, ACSWBakersfield, CA 933111821544420
  35. Angelica Rivera, LCSWSan Diego, CA 921081689261026
  36. Ariana RiveraLong Beach, CA 908051609030360
  37. Bianca RiveraMontclair, CA 917631790331395
  38. Brittany Rivera, LCSWLos Angeles, CA 900731093274110
  39. Claudia Rivera, LCSWAnaheim, CA 928011144000290
  40. Daisy Rivera, LCSWDuarte, CA 910101629533500
  41. Daisy Rivera, LCSWFullerton, CA 928351063933489
  42. Deborah Rivera, LCSWLa Verne, CA 917501386807600
  43. Diana RiveraLos Angeles, CA 900171518228873
  44. Diana Rivera, LCSWLos Angeles, CA 900271467656090
  45. Diana Rivera, MSW, LCSWNorth Hollywood, CA 916061215480603
  46. Edgar Rivera, LCSWSanta Ana, CA 927011154500601
  47. Edgar Rivera, LCSWAntioch, CA 945091639400930
  48. Elizabeth RiveraSanta Ana, CA 927071346894706
  49. Emily Rivera, LCSWHanford, CA 932301285852012
  50. Eric Rivera, MSW, ACSWSan Diego, CA 921231962098160

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.