NPPES file of Aug 9, 2026

Ambulatory Care Registered Nurse in California

940 NPPES records list ambulatory care registered nurse with a practice address in California, 2.4 per 100,000 residents, the 7th highest rate of 51. Los Angeles and Oakland have the most; each record links to the provider's NPI and the California license search. Page 18 of 19.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163WP2201X · 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, 272

  1. Los Angeles272
  2. Oakland78
  3. Torrance78
  4. Van Nuys54
  5. Sylmar49

Ambulatory Care Registered Nurse records in California

  1. Carol Torres, RN, MSN, MPHSylmar, CA 913421184144453
  2. Maria TorresLos Angeles, CA 900221528580800
  3. Maria De Fatima Torres Paes, R.N.East Palo Alto, CA 943031215470018
  4. Julieta TovarLos Angeles, CA 900331982126223
  5. Shirley TranEl Monte, CA 917311568924280
  6. Amelia Trejo, RNLong Beach, CA 908131366968661
  7. Richard Trimble, RNPalo Alto, CA 943041104049923
  8. Hannah TrinidadVan Nuys, CA 914051649791120
  9. May TronoFullerton, CA 928351669339750
  10. Brittany Trubl, RNLivermore, CA 945501508604661
  11. Bridget Trygar, R.N.Carpinteria, CA 930131659762243
  12. Redezza TumamakVan Nuys, CA 914051184337701
  13. Clara Tyson, RNLos Angeles, CA 900221629598297
  14. Heather Ugalde, RNVista, CA 920841770878118
  15. Rosa UgazEl Monte, CA 917311669188983
  16. Udodirim UkoOakland, CA 946021841759990
  17. Maria Rosario UmaliTorrance, CA 905021184154254
  18. Marie-Therese Umali, REGISTERED NURSETorrance, CA 905021497276760
  19. Chizoba Unaka, REGISTERED NURSE, RNLos Angeles, CA 900591427764240
  20. Jorge UrquizuEl Monte, CA 917311407377161
  21. Dianna Jean Valdez, RNDowney, CA 902421811448368
  22. Yesenia ValentinAlhambra, CA 918031013884717
  23. Nicholas Valenzuela, RNLos Angeles, CA 900221144783937
  24. Judee VanegasLos Angeles, CA 900331043731458
  25. Varduy Vardanyan, RNVan Nuys, CA 914051285346833
  26. Jesslyn VasquezSylmar, CA 913421356862361
  27. Louise VasquezLos Angeles, CA 900591720784309
  28. Martin VasquezPalmdale, CA 935521023722576
  29. Cecilia VazquezVan Nuys, CA 914051710416680
  30. Erica Vazquez, RNLos Angeles, CA 900331568988921
  31. Vladimir VegaLos Angeles, CA 900071750096277
  32. Cinthya Velazquez LedesmaLos Angeles, CA 900221952105678
  33. Melania Veliz-GaldosEl Monte, CA 917311245854330
  34. Patricia VicunaLos Angeles, CA 900221093235681
  35. Dorothy Villalobos, RNPico Rivera, CA 906601033352836
  36. Julie Villalobos, RNDowney, CA 902421134670318
  37. Israel Villalvazo, RNSalinas, CA 939011790525376
  38. Cecilia VillasenorLong Beach, CA 908131427578871
  39. Alicia Villavert, RNLos Angeles, CA 900221275055659
  40. Marivel Villegas, RNTorrance, CA 905021497349526
  41. Purificacion Villegas, RNPalmdale, CA 935501104348770
  42. Galen VuongSan Jose, CA 951381609614700
  43. Meazanesh WaleOakland, CA 946021194282475
  44. Me'Lisa WallaceLos Angeles, CA 900591700618527
  45. Robert Wallace, MSN, RN, CNL, AMB-BCPleasant Hill, CA 945231578428033
  46. Judy WangLos Angeles, CA 900071790206654
  47. Jue WangLos Angeles, CA 900071669183380
  48. Teh-Chun Wang, RNEl Monte, CA 917311558077115
  49. Sharon WardAlpine, CA 919011598082604
  50. Darryl Warren, RNLos Angeles, CA 900271497951693

Source: CMS NPPES, primary taxonomy 163WP2201X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 7 of 51 per resident

  1. Wyoming2.7
  2. Alaska2.6
  3. Wisconsin2.6
  4. California2.4
  5. Massachusetts2.3
  6. Rhode Island2.2
  7. 50 states and D.C.1.0

Source: CMS NPPES, primary taxonomy 163WP2201X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

2.2% of these records appear in a Medicare file, against 1.3% 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. California2.2%
  2. United States1.3%

Ambulatory Care Registered Nurse records in California, measured

  • In a Medicare file21 of 940 · 2.2% here, 1.3% nationally
  • In the CMS Doctors and Clinicians file5 · 0.5% here, 0.4% nationally
  • Not updated in five years or more413 · 43.9% here, 42.7% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163WP2201X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

940 NPPES records list ambulatory care registered nurse (163WP2201X) as their primary taxonomy with a practice address in California: 2.4 per 100,000 residents against 1 nationally (50 states and D.C.). Los Angeles has 272 of them (29%).

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. Ohio199
  2. Massachusetts164
  3. Texas159
  4. Wisconsin151

States with a similar rate per 100,000

  1. Alaska2.6
  2. Rhode Island2.2
  3. Wyoming2.7
  4. Nebraska1.9

The largest states

  1. Ohio199
  2. Massachusetts164
  3. Texas159
  4. Wisconsin151
  5. Michigan130

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.