NPPES file of Aug 9, 2026

Nephrology Physician in Arizona

278 NPPES records list nephrology physician with a practice address in Arizona, 3.7 per 100,000 residents, the 26th highest rate of 51. Phoenix and Tucson have the most; each record links to the provider's NPI and the Arizona license search. Page 6 of 6.

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

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

Phoenix has the most, 67

  1. Phoenix67
  2. Tucson50
  3. Scottsdale33
  4. Mesa30
  5. Tempe15

Nephrology Physician records in Arizona

  1. Ebie Varghese, MDTucson, AZ 857451376690792
  2. Catherine Vatsis, MDPhoenix, AZ 850041477012375
  3. Ramya Vejella, MDMesa, AZ 852101467779413
  4. Claudia Velarde, M.D.Yuma, AZ 853641861430449
  5. Victoria Vo, MDPrescott, AZ 863011982018883
  6. Umar Waheed, MDPeoria, AZ 853811285689968
  7. Paul Walshaw, M.D.Benson, AZ 856021023014586
  8. Daniel Walton, D.O.Scottsdale, AZ 852581457337636
  9. Shouwen Wang, M.D.Phoenix, AZ 850121700889326
  10. Sanjeeva Weerasinghe, MDTucson, AZ 857241235873118
  11. Ethel Weil, MDScottsdale, AZ 852591659339117
  12. William Weiss, MD, PCPhoenix, AZ 850371881686368
  13. Charis Whitney, M.D.Phoenix, AZ 850181568876597
  14. David Whittman, M.D., M.P.H.Tucson, AZ 857181205938917
  15. Daniel Wochos, M.D.Scottsdale, AZ 852591568444263
  16. Ryan Wong, M.D.Tucson, AZ 857191174910053
  17. Wei Xiang WongFlagstaff, AZ 860011639551526
  18. Steven Wu, MDTucson, AZ 857411306836481
  19. Zhongguang Yang, M.D.Tucson, AZ 857191134384167
  20. Berne Yee, M.D.Phoenix, AZ 850041831185370
  21. Bulent Yilmaz, MDTucson, AZ 857191386421642
  22. Valentin Zaharia, M.D.Phoenix, AZ 850161467455089
  23. Tausif Zar, MDTucson, AZ 857121396889358
  24. Yuzana Zaw, MDChandler, AZ 852241013313451
  25. Kathie Zhang, MDTucson, AZ 857191225652761
  26. Hui Zhao, MDPhoenix, AZ 850321629125414
  27. Joseph Zhao, MDChandler, AZ 852241558545087
  28. Lixian Zou, MDPhoenix, AZ 850201053359737

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

Arizona ranks 26 of 51 per resident

  1. South Carolina3.8
  2. Michigan3.7
  3. Mississippi3.7
  4. Arizona3.7
  5. New Mexico3.7
  6. Tennessee3.7
  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.

What the count covers

278 NPPES records list nephrology physician (207RN0300X) as their primary taxonomy with a practice address in Arizona: 3.7 per 100,000 residents against 4 nationally (50 states and D.C.). Phoenix has 67 of them (24%).

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. Washington284
  2. Missouri285
  3. Tennessee266
  4. Indiana265

States with a similar rate per 100,000

  1. Mississippi3.7
  2. New Mexico3.7
  3. Michigan3.7
  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.