NPPES file of Aug 9, 2026

Family Nurse Practitioner in California

16,966 NPPES records list family nurse practitioner with a practice address in California, 44 per 100,000 residents, the 50th highest rate of 51. Los Angeles and San Diego have the most; each record links to the provider's NPI and the California license search. Page 49 of 340.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 363LF0000X · method

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

Los Angeles has the most, 1,103

  1. Los Angeles1,103
  2. San Diego799
  3. San Francisco662
  4. Sacramento444
  5. Fresno393

Family Nurse Practitioner records in California

  1. Caroline Caspe, MSN, FNP-CWest Covina, CA 917901053754952
  2. Timothy CasperHesperia, CA 923451063353829
  3. Tina Cassar, NPLong Beach, CA 908081891183695
  4. Nicole Cassedy, FNP-BCRedding, CA 960021982183760
  5. Kimberly Casserly, FNP, PHN, RNTorrance, CA 905021740530625
  6. Hyacinth Joy Cassion, BSN, RN, FNPRoseville, CA 956781285148528
  7. Christina Castaneda, FNPSacramento, CA 958171366928491
  8. Kristine Castaneda, NPWhittier, CA 906021245721323
  9. Patricia Castaneda, NP-CCalexico, CA 922311619517166
  10. Veronica Castaneda, NURSE PRACTITIONERDowney, CA 902411164965596
  11. Thyssen Castaneto, FNP-CHarbor City, CA 907101508344821
  12. Stephanie Casteel, FNP-CRedding, CA 960031326610452
  13. Christina Castelein, RN, MSNSan Francisco, CA 941321952712481
  14. Karen Castellano, FNP-BCWest Covina, CA 917901821695552
  15. Maria CastellanoCerritos, CA 907031245768340
  16. San Juanita Castellano, FNPVisalia, CA 932771023440187
  17. Ivonne CastellanosSan Francisco, CA 941161467210104
  18. Kelly Castellanos, NPSanta Monica, CA 904041710706437
  19. Michael Castellanos, NPSan Diego, CA 921301508664475
  20. Gema CastellonMenifee, CA 925841386104230
  21. Hulnara Castellon, ARNPSherman Oaks, CA 914031285081976
  22. Yesenia Castellon, N.P.Lancaster, CA 935361184927741
  23. Ernest Castigadorgayomali, FNP-CFontana, CA 923361467177923
  24. Preciosa Castillejo, NPSan Jose, CA 951271265717680
  25. Abundio Castillo, FNPBakersfield, CA 933131053888743
  26. Ada Castillo, NPNorwalk, CA 906501609311158
  27. Aileen Castillo, NPLos Angeles, CA 900951265659056
  28. Aja Castillo, N.P.Long Beach, CA 908131205383064
  29. Cynthia Castillo, FNP-CRiverside, CA 925061699429704
  30. Elizabeth Castillo, N.P.Stockton, CA 952021760672141
  31. Lynnie CastilloBakersfield, CA 933011669847984
  32. Marlita CastilloLos Angeles, CA 900261700549185
  33. Melody Castillo, CNM, FNPMerced, CA 953411093120099
  34. Nancy Castillo, FNPSanta Rosa, CA 954071124404165
  35. Robert Castillo, FNP-CAzusa, CA 917021588540629
  36. Rolando Castillo, N.P.Monterey Park, CA 917541528581519
  37. Summer Castillo, FNP-CCorona, CA 928811639768575
  38. Maria Romina CastillonPasadena, CA 911011548136781
  39. Ryan Castorino, FNP-CSanta Barbara, CA 931061346806205
  40. Amanda Castro, FNP-CImperial, CA 922511184575797
  41. Beatriz Castro, FNP-CFresno, CA 937101265006738
  42. Cesar CastroSan Diego, CA 921011225630197
  43. Cynthia Castro, FNP-CNorth Hollywood, CA 916061831934199
  44. Donna Castro, NPIrvine, CA 926141881354322
  45. Itza CastroPalo Alto, CA 943011780142737
  46. Kathreen Castro, NPLos Angeles, CA 900211043602857
  47. Leanna CastroPetaluma, CA 949541427933530
  48. Lilia Castro, NPMurrieta, CA 925621568294353
  49. Manuela Shayne Castro, FNP-BC, FNP-CMission Viejo, CA 926911609696608
  50. Maria Estela Castro, NP-CGlendale, CA 912021720470842

Source: CMS NPPES, primary taxonomy 363LF0000X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 50 of 51 per resident

  1. Michigan53
  2. Washington48
  3. Wisconsin48
  4. California44
  5. New Jersey42
  6. 50 states and D.C.71

Source: CMS NPPES, primary taxonomy 363LF0000X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

67.1% of these records appear in a Medicare file, against 75.1% 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. California67.1%
  2. United States75.1%

Family Nurse Practitioner records in California, measured

  • In a Medicare file11,379 of 16,966 · 67.1% here, 75.1% nationally
  • In the CMS Doctors and Clinicians file6,797 · 40.1% here, 57.1% nationally
  • Not updated in five years or more7,204 · 42.5% here, 40.5% nationally
  • Median graduation year2019 · the 6,793 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 363LF0000X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

16,966 NPPES records list family nurse practitioner (363LF0000X) as their primary taxonomy with a practice address in California: 44 per 100,000 residents against 71 nationally (50 states and D.C.). Los Angeles has 1,103 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. New York14,805
  2. Texas21,242
  3. Florida22,340
  4. Ohio9,647

States with a similar rate per 100,000

  1. New Jersey41.8
  2. Wisconsin47.6
  3. Washington48.4
  4. Michigan53.4

The largest states

  1. Florida22,340
  2. Texas21,242
  3. New York14,805
  4. Ohio9,647
  5. Tennessee9,060

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.