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 6 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. Genevie Domingo, RNTorrance, CA 905021982900841
  2. Marguerite Donius, RNSan Jose, CA 951381346088762
  3. Kareen Donor, RNTorrance, CA 905021316467111
  4. Karen Duderstadt, NPSan Francisco, CA 941101144347519
  5. Susan Duncan, R.N.Orange, CA 928671811227069
  6. Raymond DuongLos Angeles, CA 900331851818447
  7. Juana Duran Ramos, BSN, PHNPalmdale, CA 935521164944732
  8. Diane Dworzack, RNLancaster, CA 935351194245522
  9. Jennifer EarOakland, CA 946021699543637
  10. Terry Edmond, RNDowney, CA 902421376094813
  11. Michelle Edwardson, RNFresno, CA 937011003445693
  12. Kaylen Eguchi, RNEl Monte, CA 917311265298202
  13. Monica EllebyLos Angeles, CA 900031518673227
  14. Vivian EmankhuLos Angeles, CA 900591811774474
  15. Martha EnamoradoSylmar, CA 913421023535515
  16. Lycheng Eng, REGISTERED NURSEDowney, CA 902421538610084
  17. Elizabeth Engelman, RNSan Diego, CA 921031487979423
  18. Maribel EscarioLos Angeles, CA 900591821704198
  19. Cresenciana EscobarSylmar, CA 913421790206068
  20. Beatriz EspinozaLos Angeles, CA 900331871015271
  21. Marian Espiritu, RNOakland, CA 946021346708500
  22. Celina EsquiviasBurlingame, CA 940101316869563
  23. Trisha EstanislaoTorrance, CA 905021366188179
  24. Paula Estrada, RNHollister, CA 950231467784041
  25. Yolanda Estrada, RNLos Angeles, CA 900331780106989
  26. Ashley Everett, RNOakland, CA 946021104409051
  27. Leonor FabunanTorrance, CA 905021245750066
  28. Michele Fair, RNLos Angeles, CA 900591831805084
  29. Elsa Fairley, RNTorrance, CA 905021285163733
  30. Joy Fehr, RNOrange, CA 928681851949895
  31. Pamela Felisco, BSN,RNFairfield, CA 945351164238754
  32. Patricia Feregrino RidenourSylmar, CA 913421447770037
  33. Christian Fernandez, RNTorrance, CA 905021184345878
  34. Lilly Fernandez, RNSylmar, CA 913421225558992
  35. Ron Fernandez, RNLong Beach, CA 908131922984343
  36. Jeffrey Ferrer, RNVan Nuys, CA 914051568177061
  37. Anait Fetulagian, RNSylmar, CA 913421164943411
  38. Susana Fierro-Cabrera, RNLos Angeles, CA 900331225559636
  39. Jessie Figlioli, RNFresno, CA 937031699511188
  40. Gerilie Ann FigueroaLivermore, CA 945501407796089
  41. Jenifer Fischer King, RNMcKinleyville, CA 955191053746735
  42. Julie Fish, RNSanta Clara, CA 950511902561863
  43. Maria Fitzgerald, RNChico, CA 959261386877843
  44. Jannet FlorendoVan Nuys, CA 914051811427271
  45. Jessica Flores, RNOakland, CA 946021902494677
  46. Sandra Flores, RNTorrance, CA 905021720508302
  47. Valda FloresLos Angeles, CA 900591609306430
  48. Parish FordOakland, CA 946021467917005
  49. Larra Francisco, RNHayward, CA 945451134688435
  50. Loresel FrancoSan Fernando, CA 913401629507330

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.