NPPES file of Aug 9, 2026

Registered Nurse in California

13,506 NPPES records list registered nurse with a practice address in California, 35 per 100,000 residents, the 30th highest rate of 51. San Diego and San Francisco have the most; each record links to the provider's NPI and the California license search. Page 179 of 271.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163W00000X · method

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

San Diego has the most, 1,223

  1. San Diego1,223
  2. San Francisco625
  3. Los Angeles526
  4. Sacramento508
  5. Fresno500

Registered Nurse records in California

  1. Darlington Nwite, RNColton, CA 923241730913229
  2. Hope NwokojiTorrance, CA 905051003317645
  3. Nwadiuto Nwosu, RNLos Angeles, CA 900471063169092
  4. Chima NwubaLos Angeles, CA 900201386776250
  5. Lydia NyaggahRiverside, CA 925081467110346
  6. David NyaguthiiLathrop, CA 953301356128490
  7. Dennis NyaigotiElk Grove, CA 957581043042245
  8. Samuel NyamuSacramento, CA 958351912639725
  9. Felix NyangauClaremont, CA 917111215757737
  10. Derek Nye, RN, PHNSan Diego, CA 921101568059145
  11. Terry NyeFresno, CA 937031700706074
  12. Martha Nyingi, REGISTERED NURSEFontana, CA 923361962153338
  13. Stephen Nyirady, RNLoma Linda, CA 923541013877638
  14. Martine NyiramahirweColton, CA 923241093112526
  15. Ashley Nylen, RNSanta Cruz, CA 950601043533771
  16. Thandar NyuntSan Jose, CA 951261104599620
  17. Edith Nze, REGISTERED NURSEElk Grove, CA 957571942058714
  18. John NzewiBrentwood, CA 945131346195567
  19. Laura O'Brien, RNSan Francisco, CA 941091790124899
  20. Sheri O'Brien, RNSan Diego, CA 921611295912772
  21. Erin O'Connell, RNWest Hollywood, CA 900481922729615
  22. Karen O'Connell, RNEureka, CA 955011265725907
  23. Kelly O'Connell, RNNapa, CA 945581952645103
  24. Catherine O'Connor, R.N.Salinas, CA 939081891242517
  25. Cecile O'Connor, RNSan Francisco, CA 941031003087222
  26. Kristin O'ConnorSan Francisco, CA 941031073919551
  27. Moira O'Connor, RNSanta Barbara, CA 931101285836510
  28. Bernadette O'DonnellWest Hollywood, CA 900481629488564
  29. Stephanie O'Donoghue, RNChula Vista, CA 919111952097966
  30. Christina O'Flinn, RNSan Andreas, CA 952491063843829
  31. Kyle O'HaganSanta Cruz, CA 950621285277699
  32. Erin O'HaraSacramento, CA 958171063358919
  33. Jennifer O'Hea, RNSacramento, CA 958341962924266
  34. Nastaishia O'Howell, RNLoma Linda, CA 923571801713029
  35. Amanda O'KeefeSan Diego, CA 921231104207331
  36. Joan O'Keefe, RNLos Gatos, CA 950301295801553
  37. Sarah O'Leary, RN, MSNSan Francisco, CA 941161205227980
  38. Deborah O'Meara, R.N.San Jose, CA 951101144538968
  39. Katherine O'Neill, RNYreka, CA 960971265648877
  40. Megan O'NeillDesert Hot Springs, CA 922401194360321
  41. Lana O'Quinn, RNSan Diego, CA 921231578798732
  42. Keegan O'RavezOakland, CA 946051487349486
  43. Karen O'Rear, RNBakersfield, CA 933061992006357
  44. Judah O'Shaughnessy, RNEureka, CA 955011053199901
  45. Elena O'Shea, RNPleasanton, CA 945881518892595
  46. Cheyenne O'Sullivan, RN, BSN, PHNAlturas, CA 961011336501527
  47. Lindsey Oakes, R.N.San Francisco, CA 941161932472263
  48. Linette Oakley, R.N.Oceanside, CA 920541780761569
  49. Angelina ObaColton, CA 923241558740746
  50. John-Paul Obae, RNPomona, CA 917661003666728

Source: CMS NPPES, primary taxonomy 163W00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 30 of 51 per resident

  1. Maryland40
  2. Arkansas40
  3. Oklahoma36
  4. California35
  5. Kansas34
  6. South Carolina33
  7. 50 states and D.C.44

Source: CMS NPPES, primary taxonomy 163W00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

2.5% of these records appear in a Medicare file, against 1.5% 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. California2.5%
  2. United States1.5%

Registered Nurse records in California, measured

  • In a Medicare file343 of 13,506 · 2.5% here, 1.5% nationally
  • In the CMS Doctors and Clinicians file146 · 1.1% here, 1.0% nationally
  • Not updated in five years or more7,263 · 53.8% here, 57.2% nationally
  • Median graduation year2018 · the 146 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163W00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

13,506 NPPES records list registered nurse (163W00000X) as their primary taxonomy with a practice address in California: 35 per 100,000 residents against 44 nationally (50 states and D.C.). San Diego has 1,223 of them (9%).

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. Ohio9,656
  2. Texas8,921
  3. Washington5,708
  4. Michigan5,589

States with a similar rate per 100,000

  1. Kansas33.9
  2. Oklahoma35.9
  3. South Carolina32.8
  4. Vermont31.0

The largest states

  1. New York25,740
  2. Ohio9,656
  3. Texas8,921
  4. Washington5,708
  5. Michigan5,589

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.