NPPES file of Aug 9, 2026

Nephrology Physician in Tennessee

266 NPPES records list nephrology physician with a practice address in Tennessee, 3.7 per 100,000 residents, the 28th highest rate of 51. Nashville and Memphis have the most; each record links to the provider's NPI and the Tennessee 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).

Nashville has the most, 84

  1. Nashville84
  2. Memphis53
  3. Chattanooga24
  4. Knoxville19
  5. Jackson10

Nephrology Physician records in Tennessee

  1. Gary Wells, MDOak Ridge, TN 378301669543328
  2. Erik Wendland, DOKnoxville, TN 379231891962445
  3. Clifford Wiegand, MDJohnson City, TN 376041588669170
  4. James Wilbeck, MDFranklin, TN 370671548317498
  5. Hugh Williams, MDMemphis, TN 381041285683664
  6. Matthew Wilson, M.D., PH.D.Nashville, TN 372321073639886
  7. Clara Womack, M.D.Nashville, TN 372111023000999
  8. Lucius Wright, MDJackson, TN 383011346219490
  9. Justin Yancey, D.O.Germantown, TN 381381013390467
  10. Hans Yehnert, MDChattanooga, TN 374041518076199
  11. Jackson Yium, MDChattanooga, TN 374031467458885
  12. Christina Ynares, M.D.Nashville, TN 372031407838931
  13. Ling Yu, MDDickson, TN 370551649480237
  14. Syed M Faizaan Zabiullah, MDMemphis, TN 381041760951842
  15. Roy Zent, MDNashville, TN 372321356425458
  16. Michael Zolkiewicz, M.D.Columbia, TN 384011508858382

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

Tennessee ranks 28 of 51 per resident

  1. Mississippi3.7
  2. Arizona3.7
  3. New Mexico3.7
  4. Tennessee3.7
  5. West Virginia3.7
  6. North Carolina3.7
  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.

78.9% 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. Tennessee78.9%
  2. United States85.8%

Nephrology Physician records in Tennessee, measured

  • In a Medicare file210 of 266 · 78.9% here, 85.8% nationally
  • In the CMS Doctors and Clinicians file186 · 69.9% here, 76.0% nationally
  • Not updated in five years or more117 · 44.0% here, 54.9% nationally
  • Median graduation year2002 · the 186 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

266 NPPES records list nephrology physician (207RN0300X) as their primary taxonomy with a practice address in Tennessee: 3.7 per 100,000 residents against 4 nationally (50 states and D.C.). Nashville has 84 of them (32%).

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. Indiana265
  2. Minnesota261
  3. Arizona278
  4. Washington284

States with a similar rate per 100,000

  1. New Mexico3.7
  2. West Virginia3.7
  3. Mississippi3.7
  4. North Carolina3.7

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.