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 1 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. Mirasol AgustinLos Angeles, CA 900331073036695
  2. Eva AllenWalnut Creek, CA 945961538365093
  3. Leila AquinoLos Angeles, CA 900331497279574
  4. Katherine Atienza, RNAnaheim, CA 928011386500221
  5. Priscilla Barlett, RNSan Diego, CA 921261669524203
  6. Luz BasmajianLos Angeles, CA 900331134646987
  7. Kenneth BeamerRedding, CA 960021033727953
  8. Janet Boehle, RNRedding, CA 960021598098303
  9. Jaime CamachoLos Angeles, CA 900331083131825
  10. Kristina ChauSan Francisco, CA 941211578196283
  11. Yan ChenLos Angeles, CA 900331699292086
  12. Lan ChiLos Angeles, CA 900331699292524
  13. Andrew ChoiPalo Alto, CA 943041215754932
  14. Sarah CortesLos Angeles, CA 900331386168755
  15. Ryan Cox, RNFresno, CA 937031841036829
  16. Esmeralda Crane, RNPalo Alto, CA 943041700603123
  17. Rachel Edu, RNLos Angeles, CA 900331710401138
  18. Maria EstradaLos Angeles, CA 900331003339276
  19. Bonnie Gianoli, BS, RNWalnut Creek, CA 945961891992087
  20. Christopher GlindroLos Angeles, CA 900331780100602
  21. Latonya HallLos Angeles, CA 900591801502745
  22. Jillian HanlockPalo Alto, CA 943041790502235
  23. Crystal HernandezValencia, CA 913551144113911
  24. Kirsten Hobson, RNPalo Alto, CA 943041962229419
  25. Michele Holloway, RNWalnut Creek, CA 945961255537734
  26. Chaolien HsuLos Angeles, CA 900331598281420
  27. Ya-Ni HsuehPalo Alto, CA 943041649097072
  28. Omorogbe IgbinewekaOakland, CA 946021619509809
  29. Mary JamesRedding, CA 960021528291929
  30. Staci Johnson, R.NSacramento, CA 958171356589907
  31. Nina Jones, RNMather, CA 956551114536802
  32. Christine KentEncinitas, CA 920241164952503
  33. Julie Kim, RN, BSNAnaheim, CA 928061326557281
  34. Jungai KimLos Angeles, CA 900331457877383
  35. Charisse LacuzongLos Angeles, CA 900331407373327
  36. Lilian LemusLos Angeles, CA 900331649796533
  37. Linda MackWalnut Creek, CA 945961427254994
  38. Fran Malloy, RNSacramento, CA 958171932254216
  39. Marian ManansalaLoma Linda, CA 923571568112449
  40. Phillip Mardis, RNRancho Mirage, CA 922701710831029
  41. Radmila Markovic, REGISTERED NURSEPalo Alto, CA 943041043038367
  42. Ashly MarquezLos Angeles, CA 900331730603523
  43. Chelsea MartinezOakland, CA 946111841158425
  44. Julia MasellisModesto, CA 953551619798360
  45. Alicia MenaPalo Alto, CA 943041073331922
  46. Michelle NguyenLos Angeles, CA 900331396269619
  47. Tracy NguyenLos Angeles, CA 900331780108373
  48. Kimberly NucumLos Angeles, CA 900331548784135
  49. Tin OoLos Angeles, CA 900331518481118
  50. Shirley PagkalinawanLos Angeles, CA 900331982127502

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.