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 16 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. Josie SalinasLos Angeles, CA 900331538680954
  2. Karla SalvatierraTorrance, CA 905021326564840
  3. Dorotha SamuelLos Angeles, CA 900031801317086
  4. Lucy SanabriaOakland, CA 946021285193144
  5. Sheena Sanchez, RNTorrance, CA 905021780328757
  6. Artesia Sanders, RNOakland, CA 946031003584426
  7. Maria Cristina SandhuLancaster, CA 935351891217287
  8. Margaret SanfratelloLos Angeles, CA 900331194246504
  9. Ria Venessa Ivy SangalangLos Angeles, CA 900331992226500
  10. Stephanie Santana, RNLong Beach, CA 908131922854793
  11. Luis Santiago JrVan Nuys, CA 914051528610896
  12. Rachel SantillanLos Angeles, CA 900331316468788
  13. Hazel Marie SantosSan Jose, CA 951281235022211
  14. Sophal SaoLos Angeles, CA 900591871299248
  15. Armenui SarkisianVan Nuys, CA 914051881247542
  16. Racelito Sarmiento, RNDowney, CA 902421871044354
  17. Rosalva SaucedoLos Angeles, CA 900071841710357
  18. Phasouk Saychien, REGISTERED NURSELos Angeles, CA 900591710416714
  19. Bonnie Saylor, NP-CSan Diego, CA 921581255422754
  20. Russell Schmidt, RNSan Francisco, CA 941021619225034
  21. Andrene Schonberg, RN, BSNTorrance, CA 905091104355486
  22. Julie Schreck, RNAnaheim, CA 928071740520303
  23. Victoria Schumb, RNOakland, CA 946181487907077
  24. Lennox Scobie-Hines, RN, PHN, ACRNSan Rafael, CA 949011457209199
  25. Monica Scott, RNIIIWilmington, CA 907441609396191
  26. Jill Searchinger, RNSanta Barbara, CA 931061174300594
  27. Eva Segovia, RNTorrance, CA 905021073043147
  28. Jennifer Serna, RNLos Angeles, CA 900221629743661
  29. Evangelina Serrano, R.N.Cerritos, CA 907031851634273
  30. Cesare SettecaseEl Monte, CA 917311578320370
  31. Carrie Shaw, RNLancaster, CA 935351366962326
  32. Guifang ShiEl Cerrito, CA 945301063971448
  33. Leeanne Shinn, RNLos Angeles, CA 900331093606261
  34. Elisa Short, REGISTERED NURSEEl Monte, CA 917311518580364
  35. Kristen Short, REGISTERED NURSETemecula, CA 925921932644853
  36. Leila Shyne, RNOakland, CA 946091639924954
  37. Yvonne Sias, CRNALos Angeles, CA 900341578817714
  38. Marie Antonette SicatSan Jose, CA 951381750128880
  39. Tiffany Sierra, LVNLos Angeles, CA 900591821704602
  40. Jennifer Simon, RNOakland, CA 946021548804081
  41. Christina Simpson, RNLos Angeles, CA 900591730895103
  42. Rithy SinBellflower, CA 907061538866736
  43. Sheena SinghOakland, CA 946051528526712
  44. Hui SitoEl Monte, CA 917311639632896
  45. Jana SiuOakland, CA 946021093359531
  46. Radhika Sivasankara Pillai, BSNStockton, CA 952191518670413
  47. Angie Smith, RNOakland, CA 946021134684269
  48. Beverly SmithLos Angeles, CA 900031679000699
  49. Fatima Smith, RN-PHNPalmdale, CA 935521801318282
  50. Rosio Smith, RNPalmdale, CA 935521902328966

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.