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 111 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. Kevin Iacovelli, RNSan Diego, CA 921011043031610
  2. Gisela IahnSan Diego, CA 921081245948959
  3. Marivic IbaldezMartinez, CA 945531760250211
  4. Alba Ibarra, RNSan Diego, CA 921081407314438
  5. Alejandra IbarraPomona, CA 917661295130862
  6. Glenn Ibarrientos, R.N.San Mateo, CA 944031104007152
  7. Marybeth IbarrientosSanta Clara, CA 950541225990690
  8. Sharmaine Ibasan, RNPalo Alto, CA 943041679311583
  9. Joshua IbascoSan Diego, CA 921101629958673
  10. Amanda IbnerSeaside, CA 939551528936325
  11. Hadijah Idakoji, RNVallejo, CA 945901467802132
  12. Morroh Iddrisu, RNColton, CA 923241801542659
  13. Lybia IdianSan Diego, CA 921111730701558
  14. Julie Idolor, RNLos Angeles, CA 900481366264434
  15. Innocent IdusuyiClovis, CA 936111811719511
  16. Trixia-Marie Iglesias, RNHayward, CA 945451366883639
  17. Jessica Erin IgnacioCosta Mesa, CA 926271649073321
  18. Rose-Ann IgnacioSacramento, CA 958271053785717
  19. Geraldine Ignacio-Saechao, RNFresno, CA 937031417791443
  20. Diane IgraSan Francisco, CA 941211427908086
  21. Kristine Igual, RNSan Diego, CA 921101871382473
  22. Henrietta IkegbuColton, CA 923241891967170
  23. Bonnie Ikerd Mandell, R.N.Santee, CA 920711124342928
  24. Raufat Ikharo-UmaruAntioch, CA 945091841762135
  25. Chioma IkpeTarzana, CA 913351891515821
  26. Russel Ilagan, RN,BSNSanta Ana, CA 927011841051489
  27. Denise Ildefonso, R. N.Orange, CA 928671205232766
  28. Anya Ilfeld, RN, PHNSan Diego, CA 921101255811915
  29. Nicolette ImHarbor City, CA 907101255194668
  30. Susan Imae, RNPalo Alto, CA 943041972323673
  31. Mary Imhof, RNSacramento, CA 958641225818016
  32. Maya Athena ImperialCastro Valley, CA 945781306776257
  33. Valerie Indihar, RNSan Diego, CA 921231265513402
  34. Lucy Indoian, RNPacoima, CA 913311104774694
  35. Stacey IngallsSan Diego, CA 921221730858093
  36. Tiffany Ingram, RNSan Diego, CA 921261225446438
  37. Gabriel IniguezOakland, CA 946071003739848
  38. Enrique Iniguez LopezRiverside, CA 925031598474769
  39. Sareena Injean, RNPasadena, CA 911011881521409
  40. Froilan InocencioColton, CA 923241912426560
  41. Maribeth Inturrisi, RNSan Francisco, CA 941181851605620
  42. Augustine IraborFresno, CA 937211659555118
  43. Victor IraborColton, CA 923241811591480
  44. River Irby, RNSan Diego, CA 921151245958222
  45. Cassandra Iris, RNChula Vista, CA 919111568327476
  46. Ashley IrvinLos Angeles, CA 900591700771441
  47. Heidi Irwin, MSNLa Jolla, CA 920931386864445
  48. Kera Irwin, RNSacramento, CA 958251114733557
  49. Kevin IrwinChula Vista, CA 919101568079101
  50. Molly Isaac, RNLong Beach, CA 908061154029833

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.