NPPES file of Aug 9, 2026

Nephrology Physician in New Mexico

79 NPPES records list nephrology physician with a practice address in New Mexico, 3.7 per 100,000 residents, the 27th highest rate of 51. Albuquerque and Santa Fe have the most; each record links to the provider's NPI and the New Mexico license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RN0300X · method

Albuquerque has the most, 51

Nephrology Physician records in New Mexico

  1. Franklin Lam, M.D.Farmington, NM 874011194166280
  2. Luis Madera Marin, MDAlbuquerque, NM 871311689166795
  3. Alejandra Mena Gutierrez, M.D.Albuquerque, NM 871081538324215
  4. David Mills, M.D.Los Alamos, NM 875441972776011
  5. Marjorie Murphy, MDGallup, NM 873011356388334
  6. Christian Nehme, MDRio Rancho, NM 871241477049823
  7. Tudor Ocneanu, MDSanta Fe, NM 875051073573507
  8. Nduka-Obi Ossai, M.DLas Cruces, NM 880111770883720
  9. Manish Pandya, M.D.Farmington, NM 874011326145392
  10. Rakesh Patel, M.D.Gallup, NM 873011508069725
  11. Claudio Perez-Ledezma, MDLas Cruces, NM 880111619146966
  12. Arun Rajasekaran, MDAlbuquerque, NM 871091386028025
  13. Garfield Ramdeen, MDAlbuquerque, NM 871061922191022
  14. Mark Rohrscheib, MDAlbuquerque, NM 871311154336618
  15. Leonard Romero, MDAlbuquerque, NM 871091407995418
  16. Carlos Rueda Mantilla, MDAlbuquerque, NM 871091003426743
  17. Milagros Samaniego-Picota, MDRoswell, NM 882011790746154
  18. Darren Schmidt, MDAlbuquerque, NM 871311134159692
  19. Pooja Singh, MDAlbuquerque, NM 871061427197433
  20. Charles Spalding, MDAlbuquerque, NM 871221619902699
  21. Hafiz SroyaAlbuquerque, NM 871061639572753
  22. Ravi Thimmisetty, M.DAlbuquerque, NM 871091326321449
  23. Mark Unruh, M.D.Albuquerque, NM 871311205802881
  24. William Vasquez Espinosa, MDSanta Fe, NM 875051033710173
  25. George Vasquez Rios, M.DAlbuquerque, NM 871091386179349
  26. Alexandra Voinescu, MDSanta Fe, NM 875051912018870
  27. Catalina Voinescu, M.D.Santa Fe, NM 875051740387760
  28. James Whitfield, MDGallup, NM 873011639141443
  29. Zhi XuAlbuquerque, NM 871061134340573

Source: CMS NPPES, primary taxonomy 207RN0300X: records by practice city and the list of records, file of Aug 9, 2026.

New Mexico ranks 27 of 51 per resident

  1. Michigan3.7
  2. Mississippi3.7
  3. Arizona3.7
  4. New Mexico3.7
  5. Tennessee3.7
  6. West Virginia3.7
  7. 50 states and D.C.4.0

Source: CMS NPPES, primary taxonomy 207RN0300X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

79.7% of these records appear in a Medicare file, against 85.8% 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. New Mexico79.7%
  2. United States85.8%

Nephrology Physician records in New Mexico, measured

  • In a Medicare file63 of 79 · 79.7% here, 85.8% nationally
  • In the CMS Doctors and Clinicians file60 · 75.9% here, 76.0% nationally
  • Not updated in five years or more43 · 54.4% here, 54.9% nationally
  • Median graduation year2002 · the 60 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RN0300X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

79 NPPES records list nephrology physician (207RN0300X) as their primary taxonomy with a practice address in New Mexico: 3.7 per 100,000 residents against 4 nationally (50 states and D.C.). Albuquerque has 51 of them (65%).

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. District of Columbia79
  2. Utah84
  3. Kansas70
  4. Arkansas92

States with a similar rate per 100,000

  1. Tennessee3.7
  2. Arizona3.7
  3. Mississippi3.7
  4. West Virginia3.7

The largest states

  1. California1,468
  2. Texas1,159
  3. New York1,049
  4. Florida840
  5. Pennsylvania651

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.