NPPES file of Aug 9, 2026

Gastroenterology Registered Nurse in California

69 NPPES records list gastroenterology registered nurse with a practice address in California, 0.2 per 100,000 residents, the 9th highest rate of 44. Los Angeles and Palo Alto have the most; each record links to the provider's NPI and the California license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 163WG0100X · 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, 28

  1. Los Angeles28
  2. Palo Alto10
  3. Walnut Creek6
  4. Redding4
  5. Anaheim2

Gastroenterology Registered Nurse records in California

  1. James PakLos Angeles, CA 900331932623519
  2. Jungyee ParkLos Angeles, CA 900331205353737
  3. Matthew Ramos, RNIrvine, CA 926181396626065
  4. Rita Raygoza, RNLos Angeles, CA 900331396268900
  5. Maritess RazoHayward, CA 945451740749647
  6. Edgardo RegidorLos Angeles, CA 900331053837948
  7. Rose Rose, R.N. IV C.G.R.N.Walnut Creek, CA 945961447456611
  8. Matthew RufinPalo Alto, CA 943041063230738
  9. Rebekah Shaffer, BSN RNPalo Alto, CA 943041093356768
  10. Rhonda Shelburne, RNRedding, CA 960021972057669
  11. Maria Shimizu, NURSE PRACTITIONEREl Dorado Hills, CA 957621013327063
  12. Young SongLos Angeles, CA 900331962926493
  13. Amber Sripan, MSN, APRN, ACCNS-AGSan Diego, CA 921311740072164
  14. Enriqueta SteeleLos Angeles, CA 900331821511098
  15. Carol Stockman, RNWalnut Creek, CA 945961881890374
  16. Susan TangLos Angeles, CA 900331255858700
  17. Kanwaljit VraitchMarysville, CA 959011972175933
  18. Qiong WangWest Hollywood, CA 900481740154467
  19. Kuan WuPalo Alto, CA 943041366633398

Source: CMS NPPES, primary taxonomy 163WG0100X: records by practice city and the list of records, file of Aug 9, 2026.

California ranks 9 of 44 per resident

  1. Alaska0.3
  2. Michigan0.2
  3. Minnesota0.2
  4. California0.2
  5. Wyoming0.2
  6. Iowa0.2
  7. 50 states and D.C.0.1

Source: CMS NPPES, primary taxonomy 163WG0100X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

4.3% of these records appear in a Medicare file, against 3.3% 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. California4.3%
  2. United States3.3%

Gastroenterology Registered Nurse records in California, measured

  • In a Medicare file3 of 69 · 4.3% here, 3.3% nationally
  • In the CMS Doctors and Clinicians file0 · 0.0% here, 1.4% nationally
  • Not updated in five years or more24 · 34.8% here, 41.4% nationally

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 163WG0100X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

69 NPPES records list gastroenterology registered nurse (163WG0100X) as their primary taxonomy with a practice address in California: 0.2 per 100,000 residents against 0.1 nationally (50 states and D.C.). Los Angeles has 28 of them (41%).

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. Colorado44
  2. Texas27
  3. Michigan25
  4. Idaho19

States with a similar rate per 100,000

  1. Minnesota0.2
  2. Ohio0.1
  3. Pennsylvania0.1
  4. Florida0.1

The largest states

  1. Colorado44
  2. Texas27
  3. Michigan25
  4. Idaho19
  5. Florida16

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.