NPPES file of Aug 9, 2026

Registered Nurse First Assistant in California

303 NPPES records list registered nurse first assistant with a practice address in California, 0.8 per 100,000 residents, the 17th highest rate of 51. Modesto and Ventura have the most; each record links to the provider's NPI and the California license search. Page 1 of 7.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163WR0006X · method

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

Modesto has the most, 26

  1. Modesto26
  2. Ventura10
  3. Long Beach9
  4. Newport Beach8
  5. Truckee8

Registered Nurse First Assistant records in California

  1. Darin Abacherli, RNFAMammoth Lakes, CA 935461114721008
  2. Antoinette Aguayo, RNFAElverta, CA 956261396449450
  3. Ignacio Aguilar, RNFAPasadena, CA 911051497583603
  4. Bahjat Akari, RNFAMurrieta, CA 925631588853683
  5. Betsy Albrecht, R.N. CNOR RNFARiverside, CA 925031043643208
  6. Woodryan Alexander, CRNFAValencia, CA 913551750501375
  7. Rachel Ann Alikes, RNModesto, CA 953551073441374
  8. Glenn Almazan, RNFACerritos, CA 907031598640443
  9. Rebecca Althoff, RNFASanta Rosa, CA 954051427119668
  10. Jessica Alva, R.N.F.A.Laguna Hills, CA 926531265848733
  11. Raymond Alzate, BSN, RN, CNOR, RNFAPlacentia, CA 928701366327892
  12. Joyce Anderson, R.N.F.A.Newport Beach, CA 926601952630006
  13. Teresa Anzar, R.N. F.A.Los Alamitos, CA 907201427260900
  14. Kathleen Kay Aquino, BSN, RN, CNOR, RNFALong Beach, CA 908061730014721
  15. Richard AraizaMurrieta, CA 925631699531707
  16. Tyler ArcheyLong Beach, CA 908021881521250
  17. Stefana AronPlacentia, CA 928701447531546
  18. Melodee AshePlacentia, CA 928701255529889
  19. Jeanette Auzenne-Gonzalez, CRNFADiamond Bar, CA 917651477736544
  20. Sandra Bae, RNFALomita, CA 907171063174290
  21. Rudhel BaniagaVisalia, CA 932911760006514
  22. Roberta Barraza, RNFALong Beach, CA 908061700394756
  23. Monica BasultoTempleton, CA 934651871307447
  24. Jeffrey Bauwens, RNFAWestlake Village, CA 913611225780984
  25. Roxanne Beaudette, RNFAPlacentia, CA 928701922156413
  26. Lara Belongia, RNFARidgecrest, CA 935551790420081
  27. Marcia Benz Hughes, RNFATruckee, CA 961611073786638
  28. Nichole BerumenFresno, CA 937201952197832
  29. Randolph Blattler, R.N., RNFASantee, CA 920711316338718
  30. Larry Blazier, RNFAYreka, CA 960971104085265
  31. Cindy Bodensteiner, RNWillits, CA 954901902018955
  32. Teaubias Boesch, R.N., F.A.Long Beach, CA 908051205044138
  33. Daniel Bonilla, RNFAMadera, CA 936371396871893
  34. Julie Bourque, RN, BSNBeverly Hills, CA 902111821200536
  35. Susana Bowen, RNFAFallbrook, CA 920281699961755
  36. Sandra Bowman, CNOR, RNFAMammoth Lakes, CA 935461164225009
  37. Julie Branch, RNFANewport Beach, CA 926631225243769
  38. Andrew Branker, RNFAModesto, CA 953551619177912
  39. Cory Brauer, RNFALodi, CA 952421437965480
  40. Gina Brown, RNFASanta Cruz, CA 950651487921847
  41. Jason Brown, R.N.F.ACerritos, CA 907031437596061
  42. Virginia Burns, RN CRNFACosta Mesa, CA 926271417148651
  43. Rommel Vincent CaloModesto, CA 953551689502841
  44. Wendy Camp, R.N.,F.A.Napa, CA 945581235315532
  45. Julie Carlock, RNFAFresno, CA 937201174910020
  46. Jessica Caron, RNFA BSNLaguna Hills, CA 926531356156723
  47. James Casement, RN,CNOR,RNFARidgecrest, CA 935551154928018
  48. Michael Castro, RNFALos Alamitos, CA 907201316145261
  49. Eugenia Chandler, R.N.F.A.Modesto, CA 953551982764270
  50. Irene ChapaModesto, CA 953551891622205

Source: CMS NPPES, primary taxonomy 163WR0006X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 17 of 51 per resident

  1. Florida1.0
  2. Georgia0.9
  3. Montana0.9
  4. California0.8
  5. Illinois0.7
  6. New York0.6
  7. 50 states and D.C.0.8

Source: CMS NPPES, primary taxonomy 163WR0006X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

2.6% of these records appear in a Medicare file, against 1.9% 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. California2.6%
  2. United States1.9%

Registered Nurse First Assistant records in California, measured

  • In a Medicare file8 of 303 · 2.6% here, 1.9% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 0.7% nationally
  • Not updated in five years or more206 · 68.0% here, 74.6% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163WR0006X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

303 NPPES records list registered nurse first assistant (163WR0006X) as their primary taxonomy with a practice address in California: 0.8 per 100,000 residents against 0.8 nationally (50 states and D.C.). Modesto has 26 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. Texas310
  2. Florida215
  3. New Jersey213
  4. New York127

States with a similar rate per 100,000

  1. Illinois0.7
  2. Montana0.9
  3. Georgia0.9
  4. West Virginia0.6

The largest states

  1. Texas310
  2. Florida215
  3. New Jersey213
  4. New York127
  5. Washington124

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.