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 25 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. Jessica CastroVacaville, CA 956881942018080
  2. Joanne Camille Castro, FNP-BCSan Diego, CA 921081154249472
  3. Julie Castro, NPSan Jose, CA 951161770590465
  4. Karla Castro, FNPWalnut Creek, CA 945961922513050
  5. Kathleen Castro, MSN, ACNPC-AGStanford, CA 943051285141705
  6. Rebecca Castro, NPStanford, CA 943051093299562
  7. Anna Catalan-Abaya, NPVisalia, CA 932911992523500
  8. Grace Catalano, NURSE PRACTITIONERCerritos, CA 907031417608654
  9. Leigh Cataldo, N.P.San Diego, CA 921301154434421
  10. Jeri Cates, RN, MSN, FNPCShasta Lake, CA 960191972831519
  11. Sarah Catig, NP-CChino Hills, CA 917091700127107
  12. Alyssa CatindigPomona, CA 917671881437424
  13. Julie-Anne Catron, NPHarbor City, CA 907101649328592
  14. Diane Cattabriga, NPFLone Pine, CA 935451780843235
  15. Elizabeth Cattell, R.N., ACNP-CMission Hills, CA 913451023144920
  16. Kirsti Catton, PNPPalo Alto, CA 943041245457175
  17. Benjamin Caudill, RN, MSN, FNP-CMoreno Valley, CA 925551871140772
  18. Jose Romelito Causin, AGNP-CWest Hollywood, CA 900481811418577
  19. April Cauthen, NPRoseville, CA 956611225185622
  20. Christine Cauvet, NPSan Diego, CA 921201841348760
  21. Kristine Cavan, FNP-BCRancho Mirage, CA 922701588252662
  22. Kathleen Cavanaugh, RN, MS, ANP-BCSan Francisco, CA 941151992009427
  23. Susan Cave-Brown, RN, NPWalnut Creek, CA 945981295013928
  24. Tara Cavell, NP-CSanta Rosa, CA 954011538552864
  25. John CawleySacramento, CA 958171164153540
  26. Susana Caytuiro, AG-ACNPStanford, CA 943051336674514
  27. Ashley Cecil, NPIndio, CA 922031336098706
  28. Dewayne Cecil, AGACNPAlbany, CA 947061366061285
  29. Lisa Cederbaum, NPSacramento, CA 958161629264015
  30. Margot Cegielski, NPFresno, CA 937011518046184
  31. Rita Ceja, NPOrange, CA 928681033201496
  32. Akanke Celestin-Ramsey, NPSan Diego, CA 921131447450275
  33. Mylynne Celi, NURSE PRACTITIONERCosta Mesa, CA 926271962041483
  34. Teresa Cerasia, NPLos Angeles, CA 900951497523203
  35. Erin CerneyLa Jolla, CA 920371417686486
  36. Brittany Cervantes, NPSimi Valley, CA 930631609621176
  37. Tiffany Cervenak, NPLaguna Hills, CA 926531104803543
  38. Margarita Cespedes, NPBellflower, CA 907061811064660
  39. Krystine Cethoute, NP-CStanford, CA 943051609479682
  40. Sandra Ceverha, NPLong Beach, CA 908061326093600
  41. Grace Cha, NPStanford, CA 943051346764370
  42. Elizabeth Chacon, FNPConcord, CA 945201518548171
  43. Valentina Chadwick, NPStanford, CA 943051629522784
  44. Suzette Chafey, NPLos Angeles, CA 900951619901998
  45. Michael Chaffin, N.P.Mountain View, CA 940401558640235
  46. Kavaljit Chahal, N.P.Laguna Hills, CA 926531831436534
  47. Nirlaip ChahalEl Segundo, CA 902451023795200
  48. Shannon ChakedisWalnut Creek, CA 945981134527690
  49. Tamara Chaker, N.P./C.N.S.Orange, CA 928681447491147
  50. Melissa Chalot, NPHayward, CA 945411912209560

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.