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 499 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. Star PenaDowney, CA 902411144006727
  2. Valeria Pena, LCSW, PPSCSpring Valley, CA 919771154151660
  3. Andrea Pena DarleyEl Cajon, CA 920201841823747
  4. Reyna Pena NavaNapa, CA 945591104492644
  5. Juan Pena Pinedo, MSWVan Nuys, CA 914051760988810
  6. Rebeca Pena SanchezRedding, CA 960021811797251
  7. Merlyn Pena-SolisLos Angeles, CA 900181104497254
  8. Kaylee PenaflorSan Diego, CA 921231306704010
  9. Jordy Penagos, ASWSan Diego, CA 921021699455683
  10. Jeniffer PenalberNorthridge, CA 913251346559291
  11. Julio PenalozaLos Angeles, CA 900471023973559
  12. Mayra Penaloza, LCSWEncinitas, CA 920241871318204
  13. Nancy Penaloza, LCSWTemecula, CA 925891962214940
  14. Hadil Penalvert, LCSWSanta Ana, CA 927051528502614
  15. Felicita Penas, LCSWLos Angeles, CA 900171598218216
  16. Kristen Penate, LCSWPomona, CA 917671629523295
  17. Courtney PenderLos Angeles, CA 900031528266947
  18. Larissa Pendergraft, LCSWWindsor, CA 954921932404902
  19. Lia PendergrassFresno, CA 937031568697472
  20. Sitara Pendyala, ACSWSan Diego, CA 921111568057578
  21. Jane PenfiedSelma, CA 936621306990965
  22. Christine Peng, LCSWSan Diego, CA 921301548714991
  23. Claire Peng, LCSWRancho Cucamonga, CA 917011144680893
  24. Mengshan PengRosemead, CA 917701962737874
  25. Richard Peng, LCSWRichmond, CA 948011790471498
  26. Machtel Pengel, ASWSan Francisco, CA 941341821301425
  27. Mikel-Claire Penick, MSWLos Angeles, CA 900421649454901
  28. Teresa Peniston, ASWEscondido, CA 920251861521338
  29. Amy Penkin, LCSWSan Francisco, CA 941181609032325
  30. Jill Penman, LCSWMartinez, CA 945531922861426
  31. Arielle Penn, LCSWEncino, CA 914361992906861
  32. Denise Penn, LCSWFullerton, CA 928311194398131
  33. Joyce Penn, LCSWSanta Ana, CA 927041275733859
  34. Kashawndra PennCompton, CA 902231104775956
  35. Mary Penn, LCSWSan Francisco, CA 941031104253798
  36. Patricia Penn, PHDSan Jose, CA 951241740331644
  37. Laura Pennelle, LCSW, JDSan Diego, CA 921071689362659
  38. Amy Penner, LCSWLos Angeles, CA 900481144605742
  39. Gretchen PennerSan Diego, CA 921101942672126
  40. Judith Penniman, LCSWSan Diego, CA 921341205074762
  41. Kathryn Pennington, ASWOakland, CA 946021295462687
  42. Susan Pennington, LCSWRiverside, CA 925051417077561
  43. Kendra Penski, LCSWSan Diego, CA 921171639363526
  44. Daniel PenslerSan Jose, CA 951121124307525
  45. Sonia Penso, LCSWSanta Fe Springs, CA 906701619216660
  46. Michelle Pentell, LCSWClovis, CA 936121497965750
  47. Stephanie PeoplesLong Beach, CA 908021285916288
  48. Jamie Pepin, MSWFair Oaks, CA 956281285305391
  49. Stephanie Pepitone, LCSWOakland, CA 946051689342040
  50. Dana Pepp, LCSWSan Rafael, CA 949011184769903

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.