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 108 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. Nancy Horne, RNMerced, CA 953411700179561
  2. Renee HorneyYuba City, CA 959911396119566
  3. Maureen Horsch, RNBakersfield, CA 933091700273232
  4. Stacey Horsley, RNFAElk Grove, CA 957581760498216
  5. Christina Horton, REGISTERD NURSELos Angeles, CA 900201871005322
  6. Michael Horton, R.N.San Diego, CA 921101629219027
  7. Renee HortonSan Jacinto, CA 925831235617937
  8. Justine Hosmer, RNSan Jose, CA 951261588073183
  9. Margaret Hosmer, R.N.Salinas, CA 939071003270778
  10. Fatemeh Hosseini, RNSan Jose, CA 951281134529498
  11. Joshua Hotz, RNCarlsbad, CA 920081588019657
  12. Christina HouCity Of Industry, CA 917481033928783
  13. Zeneida HouchenLancaster, CA 935351376065565
  14. Kathleen Houde, REGISTERED NURSEMission Viejo, CA 926921992973879
  15. Valerie Hough, RNFAYorba Linda, CA 928861659022242
  16. Marzanna Houghton, R.N.Riverside, CA 925031154794105
  17. Felicia House, RNOakland, CA 946071316187990
  18. Robert HouseSan Francisco, CA 941051669149712
  19. Donna HouselCotati, CA 949311396422457
  20. Evelyn Housh, RN-BSN, PHNOakland, CA 946051487481701
  21. Nora Hovhannisyan, RNPorter Ranch, CA 913261366334468
  22. Shirley Hovis, CRNAVallejo, CA 945891013932524
  23. Grace Howard, RNSan Diego, CA 921101548336787
  24. Kathy HowardHollister, CA 950231467076240
  25. Leslie Howard, RNSanta Ana, CA 927051790628170
  26. Margaret Howard, RNOakland, CA 946061437362001
  27. Mercedes HowardEastvale, CA 928801326939760
  28. Vincent HowardHollister, CA 950231750905535
  29. Adonna Howell, RNSan Diego, CA 921011780947648
  30. Annie Howell, RN PHNEureka, CA 955011972788180
  31. Chameka Howell, CMHSFresno, CA 937211497927354
  32. Heather Howell, RNSan Diego, CA 921231154898740
  33. Joyce Howell, RNMoreno Valley, CA 925531851019673
  34. Mary Hoy, RNOxnard, CA 930351386812907
  35. Mara Hoyle, RNSanta Rosa, CA 954071699621565
  36. Nicholas Hoyle, RNSanta Barbara, CA 931051619557147
  37. Raquel Hoyte, RNCompton, CA 902201144872995
  38. Shaunda Hrynkiewicz, RNEureka, CA 955011063989481
  39. Andrea Hsiao, RNSan Leandro, CA 945771871771105
  40. Hsiao Wen Hsieh, RNRialto, CA 923761386483998
  41. Je HsiehWoodland, CA 956951871153684
  42. Jing HuNewark, CA 945601891401030
  43. Maggie HuBerkeley, CA 947201437832235
  44. Rong HuSan Jose, CA 951221982560223
  45. Xiaowei HuSan Diego, CA 921031811649460
  46. Jiade HuangDanville, CA 945061801437637
  47. Kai Yi HuangSan Francisco, CA 941101952846834
  48. Ke Huang, RNOakland, CA 946121013660307
  49. Mengshan HuangOntario, CA 917611548984925
  50. Phi HuangOakland, CA 946051407714900

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.