NPPES file of Aug 9, 2026

Geriatric Medicine (Internal Medicine) Physician in Nevada

34 NPPES records list geriatric medicine (internal medicine) physician with a practice address in Nevada, 1.1 per 100,000 residents, the 30th highest rate of 51. Las Vegas and Reno have the most; each record links to the provider's NPI and the Nevada license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RG0300X · method

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

Las Vegas has the most, 15

  1. Las Vegas15
  2. Reno10
  3. North Las Vegas4
  4. Henderson3
  5. Gardnerville1

Geriatric Medicine (Internal Medicine) Physician records in Nevada

  1. Shanna Marie Baltar, DOLas Vegas, NV 891281205251840
  2. Michael Brigoli, MDNorth Las Vegas, NV 890861821551151
  3. Vincent Chu, MDLas Vegas, NV 891131649299470
  4. Sophie Chwa, M.D.Las Vegas, NV 890861548556897
  5. Kelly Conright, MDNorth Las Vegas, NV 890861467554238
  6. Leonardo Gan-Lim, M.D.Las Vegas, NV 891441134180839
  7. Laurence Gay, MDReno, NV 895021639254170
  8. Jeffrey Gingold, M.D.Reno, NV 895231053405282
  9. Clarence Grim, M.D.Las Vegas, NV 891441760404768
  10. Barnali Gupta, M.D.Reno, NV 895021881698421
  11. Jennifer Hagen, MDReno, NV 895191245250976
  12. Syed Hussain, MDLas Vegas, NV 891191265408041
  13. Iulia IoanitoaiaNorth Las Vegas, NV 890861306837497
  14. Mike Jeong, DOLas Vegas, NV 891171144251075
  15. Pengfeng Jin, MDLas Vegas, NV 891481528828282
  16. May Khin, MDLas Vegas, NV 891021497999502
  17. Mordechai Lavi, M.D.Reno, NV 895021750624060
  18. Mel Magboo, M.D.Reno, NV 895021114937158
  19. Shawn McGivney, M.D.Las Vegas, NV 891041427259209
  20. Denver Miller, MD, MPH, CMDSparks, NV 894361326059254
  21. Aurelio Muyot, MDHenderson, NV 890141588691935
  22. Ajay Nellutla, M.D.Las Vegas, NV 891691407913718
  23. Steven Phillips, M.D.Reno, NV 895021285646240
  24. Roland Jayson Pua, MDLas Vegas, NV 891471215009782
  25. Syed Rahman, M.D.Henderson, NV 890521427169986
  26. Neila Shumaker, M.D.Reno, NV 895021679502496
  27. Upinder Singh, M.D.Henderson, NV 890521609846229
  28. Ronald TanNorth Las Vegas, NV 890861609119569
  29. Glenn Thorp, MDGardnerville, NV 894101235217944
  30. Katherine Thyssen, DOReno, NV 895111790191955
  31. Orania Tigaieru, M.D.Las Vegas, NV 891201881641611
  32. Calvin Vanreken, MDReno, NV 895111710052394
  33. Ji Yoo, M.D.Las Vegas, NV 891021285804674
  34. Mark Zimmerman, M.D.Las Vegas, NV 891221376514646

Source: CMS NPPES, primary taxonomy 207RG0300X: records by practice city and the list of records, file of Aug 9, 2026.

Nevada ranks 30 of 51 per resident

  1. Ohio1.1
  2. New Mexico1.1
  3. West Virginia1.1
  4. Nevada1.1
  5. Kansas0.9
  6. Indiana0.9
  7. 50 states and D.C.1.4

Source: CMS NPPES, primary taxonomy 207RG0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

67.6% of these records appear in a Medicare file, against 72.8% 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. Nevada67.6%
  2. United States72.8%

Geriatric Medicine (Internal Medicine) Physician records in Nevada, measured

  • In a Medicare file23 of 34 · 67.6% here, 72.8% nationally
  • In the CMS Doctors and Clinicians file18 · 52.9% here, 51.3% nationally
  • Not updated in five years or more22 · 64.7% here, 61.4% nationally
  • Median graduation year1992 · the 18 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RG0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

34 NPPES records list geriatric medicine (internal medicine) physician (207RG0300X) as their primary taxonomy with a practice address in Nevada: 1.1 per 100,000 residents against 1.4 nationally (50 states and D.C.). Las Vegas has 15 of them (44%).

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. Louisiana34
  2. Rhode Island33
  3. South Carolina38
  4. Utah30

States with a similar rate per 100,000

  1. West Virginia1.1
  2. New Mexico1.1
  3. Ohio1.1
  4. Nebraska1.2

The largest states

  1. California532
  2. New York508
  3. Florida287
  4. Texas256
  5. Pennsylvania228

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.