NPPES file of Aug 9, 2026

Nurse Practitioner in California

8,223 NPPES records list nurse practitioner with a practice address in California, 21 per 100,000 residents, the 41st highest rate of 51. Stanford and Los Angeles have the most; each record links to the provider's NPI and the California license search. Page 165 of 165.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363L00000X · method

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

Stanford has the most, 572

  1. Stanford572
  2. Los Angeles520
  3. San Diego458
  4. San Francisco425
  5. Palo Alto318

Nurse Practitioner records in California

  1. Ting ZhaoRowland Heights, CA 917481245039130
  2. Ivy Zheng, CRNPNewport Beach, CA 926631083345318
  3. Ruzana ZhiletezhevaModesto, CA 953551962236828
  4. Lily ZhongLynwood, CA 902621235619248
  5. Donna ZhouSan Francisco, CA 941101104565530
  6. Hong ZhouLos Angeles, CA 900481124388178
  7. Vanessa Zhu, FNP-CSacramento, CA 958191093478588
  8. Leila Ziad, NPLos Angeles, CA 900731528808318
  9. Amy Ziegler, NPStanford, CA 943051023109162
  10. Dorothy Ziegler, NPWillows, CA 959881649322751
  11. Cassidy Ziemke, NPStanford, CA 943051336542489
  12. Charissa ZimaColton, CA 923241831987965
  13. Linda Zimbelman, ADULT NURSE PRACTITIChico, CA 959261255724324
  14. Florence Zink, CNM, NPSan Francisco, CA 941091578874889
  15. Guenevier Zinser, N.P.San Diego, CA 921111003984675
  16. Helene Zonder, N.P.Duarte, CA 910101942529706
  17. Joanne ZouSan Francisco, CA 941121962607242
  18. Jeanelle Zozula, DNP, PMHNP-BCSan Jose, CA 951281699129163
  19. Himaya ZunigaBurbank, CA 915051740395318
  20. Marriane Zurbano, NURSE PRACTITIONERLa Mesa, CA 919411174058762
  21. Christy Zuroff, NPRiverside, CA 925031033997614
  22. Michele Zwirn, N.P.Los Angeles, CA 900731184733198
  23. Marina Zyskina, RN,MSN,NPRedwood City, CA 940631912343328

Source: CMS NPPES, primary taxonomy 363L00000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 41 of 51 per resident

  1. Alaska22
  2. Colorado21
  3. New Jersey21
  4. California21
  5. Louisiana20
  6. Maryland20
  7. 50 states and D.C.29

Source: CMS NPPES, primary taxonomy 363L00000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

65.3% of these records appear in a Medicare file, against 73.4% 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. California65.3%
  2. United States73.4%

Nurse Practitioner records in California, measured

  • In a Medicare file5,368 of 8,223 · 65.3% here, 73.4% nationally
  • In the CMS Doctors and Clinicians file3,427 · 41.7% here, 57.4% nationally
  • Not updated in five years or more3,696 · 44.9% here, 44.6% nationally
  • Median graduation year2017 · the 3,425 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363L00000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

8,223 NPPES records list nurse practitioner (363L00000X) as their primary taxonomy with a practice address in California: 21 per 100,000 residents against 29 nationally (50 states and D.C.). Stanford has 572 of them (7%).

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. Florida8,844
  2. Illinois4,892
  3. Texas4,825
  4. North Carolina4,524

States with a similar rate per 100,000

  1. New Jersey21.1
  2. Colorado21.4
  3. Alaska21.5
  4. Louisiana20.4

The largest states

  1. Florida8,844
  2. Illinois4,892
  3. Texas4,825
  4. North Carolina4,524
  5. Ohio4,254

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.