NPPES file of Aug 9, 2026

Community Health Worker in California

11,133 NPPES records list community health worker with a practice address in California, 29 per 100,000 residents, the 12th highest rate of 51. San Francisco and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 35 of 223.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 172V00000X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

San Francisco has the most, 1,674

  1. San Francisco1,674
  2. Los Angeles929
  3. Oakland524
  4. Sacramento462
  5. San Bernardino286

Community Health Worker records in California

  1. Ariel CastilloSan Bernardino, CA 924011639029275
  2. Brandon CastilloClovis, CA 936121912461765
  3. Claudia CastilloUpland, CA 917861154751568
  4. Dennis Castillo, B.A.Torrance, CA 905021013231000
  5. Gabriel CastilloLos Angeles, CA 900231184452237
  6. Gabriel Castillo, LPCC, M.S.San Francisco, CA 941031427568690
  7. Gabrielle CastilloSacramento, CA 958341306505698
  8. Hershey CastilloSan Francisco, CA 941031609428671
  9. Jose CastilloLancaster, CA 935341962271163
  10. Luz Castillo, CPHW, MALos Angeles, CA 900221588801914
  11. Melany CastilloCanoga Park, CA 913041376306316
  12. Nathalie CastilloChino, CA 917101750251740
  13. Rosemary CastilloLos Angeles, CA 900421013716422
  14. Samuel CastilloSan Francisco, CA 941021851931141
  15. Sheila CastilloNapa, CA 945581104539758
  16. Stephanie CastilloBakersfield, CA 933071881434819
  17. Ivan Castillo BarraganNapa, CA 945581548893449
  18. Vanessa Castillo LucasSan Francisco, CA 941031164257531
  19. Erika Castillo-BarraganEl Sobrante, CA 948031902571268
  20. Abril Castillon GonzalezJurupa Valley, CA 925091821798364
  21. Jose CastorenaFullerton, CA 928311336546852
  22. Kristina CastorenaUkiah, CA 954821932939972
  23. Madalene CastrilloSan Francisco, CA 941021376291161
  24. Alejandra CastroRiverside, CA 925071265179394
  25. Arturo CastroIndio, CA 922011891590279
  26. Celia CastroSan Fernando, CA 913401124895586
  27. Damian CastroCulver City, CA 902301750888608
  28. Daniella CastroSacramento, CA 958171073016481
  29. Efren CastroSan Bernardino, CA 924011427824606
  30. Erika CastroSan Jose, CA 951161548143522
  31. Hector CastroSan Francisco, CA 941071578242863
  32. Isiah Castro, MHSSalinas, CA 939071366136954
  33. Joann Castro, BASW / CHWVictorville, CA 923941174130165
  34. Julissa CastroFairfield, CA 945331982420527
  35. Lila CastroMission Viejo, CA 926911700508918
  36. Manuel CastroWoodlake, CA 932861134017205
  37. Maria CastroSanta Barbara, CA 931031053787606
  38. Maria CastroAntioch, CA 945091801678784
  39. Monica Castro, CHWRiverside, CA 925061750153805
  40. Vidans CastroRialto, CA 923761801576525
  41. Genesis Castro HerrarteNorth Hills, CA 913431396532677
  42. Leslie CatalanSanta Barbara, CA 931011992249148
  43. Xochitl Catalan RamirezSan Diego, CA 921111871261362
  44. Lorenzo Martin CataquizSan Francisco, CA 941161669017695
  45. Diane CatbaganOakland, CA 946021083306559
  46. Ericka CatibogPalm Desert, CA 922601205708245
  47. Lauren CatoSan Francisco, CA 941101578189239
  48. Marcello CattaneoSanta Rosa, CA 954041871323584
  49. Mercedes CavazosFresno, CA 937061144092040
  50. Caroline CawleySan Francisco, CA 941101023598141

Source: CMS NPPES, primary taxonomy 172V00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 12 of 51 per resident

  1. Nevada34
  2. Ohio33
  3. Oregon29
  4. California29
  5. Michigan28
  6. Nebraska24
  7. 50 states and D.C.14

Source: CMS NPPES, primary taxonomy 172V00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

0.1% of these records appear in a Medicare file, against 0.1% 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. California0.1%
  2. United States0.1%

Community Health Worker records in California, measured

  • In a Medicare file8 of 11,133 · 0.1% here, 0.1% nationally
  • In the CMS Doctors and Clinicians file5 · under 0.1% here, 0.1% nationally
  • Not updated in five years or more3,028 · 27.2% here, 41.1% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 172V00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

11,133 NPPES records list community health worker (172V00000X) as their primary taxonomy with a practice address in California: 29 per 100,000 residents against 14 nationally (50 states and D.C.). San Francisco has 1,674 of them (15%).

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. West Virginia4,210
  2. Utah4,045
  3. Ohio3,832
  4. Michigan2,783

States with a similar rate per 100,000

  1. Oregon28.7
  2. Nebraska24.1
  3. Nevada34.1
  4. Kentucky36.9

The largest states

  1. West Virginia4,210
  2. Utah4,045
  3. Ohio3,832
  4. Michigan2,783
  5. Alaska2,286

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.