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 12 of 19.

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

Los Angeles has the most, 272

Ambulatory Care Registered Nurse records in California

  1. Yvonne Medeiros, REGISTERED NURSETustin, CA 927801033054218
  2. Sabino MedinaFresno, CA 937031073357943
  3. Oscar MedranoEl Monte, CA 917311184186884
  4. Dalila Medrano De Duarte, RNSylmar, CA 913421568982874
  5. Levis Mena, RN 560550Los Angeles, CA 900591073219655
  6. Carolina MendezLos Angeles, CA 900591215466776
  7. Berta MendozaVan Nuys, CA 914051861992182
  8. Jose MendozaTorrance, CA 905021588185383
  9. Ma Amelyn MendozaVan Nuys, CA 914051811427511
  10. Sang Mendy, RNOakland, CA 946021629536321
  11. Melony Mercado, REGISTERED NURSEDowney, CA 902421851007231
  12. Grace MesinaTorrance, CA 905021881115145
  13. Yolanda MiasnikLos Angeles, CA 900331669994919
  14. Wendi Miller, RNNapa, CA 945581023435377
  15. Genevieve Miranda, RNCovina, CA 917241316597909
  16. Judith MirandaLos Angeles, CA 900591629508692
  17. Irene Miranda-Henson, RNMerced, CA 953411700060324
  18. Mohammad MirzaLos Angeles, CA 900331568984482
  19. Janet Mischel, RNLancaster, CA 935351659083152
  20. Kristin MitchellLancaster, CA 935351871468488
  21. Monica MofidiOakland, CA 946021922606276
  22. Priyanka MogeraLos Angeles, CA 900331285155689
  23. Ronylyn Monis, MSN, BSN, RNEl Monte, CA 917311821704412
  24. Maria Celeste Montebello, RNLancaster, CA 935361679095244
  25. Satie Montemayor, RNPalmdale, CA 935521194247049
  26. Delia MontenegroOakland, CA 946021962105494
  27. Marcia Montenegro, RNTorrance, CA 905091154841179
  28. Estela Montes, REGISTERED NURSEEast Los Angeles, CA 900221629631197
  29. Mayra Montoya Manriquez, LVNLong Beach, CA 908131003522269
  30. Asher Moody-DavisOakland, CA 946021033835293
  31. Andrew Moon, RNVan Nuys, CA 914051063118065
  32. Jermaine MooreLos Angeles, CA 900591316643976
  33. Cecilia MoranPalmdale, CA 935521982126603
  34. Madelyn Morehead, RNTorrance, CA 905091902326309
  35. Luis Moreno, RNSylmar, CA 913421730600081
  36. Patricia Moreno, RNSan Fernando, CA 913401619407137
  37. Judith Moreno Leal, RNEl Monte, CA 917311376339309
  38. Maria Moreno Valencia, REGISTERED NURSELos Angeles, CA 900331083507222
  39. Theresa Moses, RNSylmar, CA 913421225559230
  40. Adonna Moyher, RNDowney, CA 902421235027590
  41. Nataporn MulpramookDowney, CA 902421588474266
  42. Rosemary Murphy, RNPalmdale, CA 935521104347566
  43. Claudia Murray, RNTorrance, CA 905091952821852
  44. Valerie Murrieta, RNLos Angeles, CA 900331770004111
  45. Yessenia Murrin, RNDowney, CA 902421285348664
  46. Latora NallLos Angeles, CA 900591922714849
  47. Wendell Narvaez, RNLancaster, CA 935351780106963
  48. Raheem Nassardeen, RNLos Angeles, CA 900591386359875
  49. Larry NatividadLos Angeles, CA 900221093237240
  50. Nieves Navera, R.N.Irvine, CA 926971730382748

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.