NPPES file of Aug 9, 2026

Radiation Oncology Physician in North Carolina

230 NPPES records list radiation oncology physician with a practice address in North Carolina, 2.1 per 100,000 residents, the 21st highest rate of 51. Durham and Charlotte have the most; each record links to the provider's NPI and the North Carolina license search. Page 5 of 5.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2085R0001X · method

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

Durham has the most, 30

  1. Durham30
  2. Charlotte29
  3. Winston Salem25
  4. Chapel Hill22
  5. Greenville14

Radiation Oncology Physician records in North Carolina

  1. Matthew Spear, M.D.Greenville, NC 278341750693453
  2. Sarah Squire, M.D.Greensboro, NC 274031417136185
  3. Sarah StephensRaleigh, NC 276071548656036
  4. Volker Stieber, MDLexington, NC 272921609858661
  5. William Su, MDCary, NC 275181114487873
  6. Shivani Sud, MDChapel Hill, NC 275141942720149
  7. Lewis Sulman, MD, PHDDurham, NC 277101922261171
  8. Joel Tepper, MDChapel Hill, NC 275991215036280
  9. Chanchamma Thannikkary, M.D.Roanoke Rapids, NC 278701881654085
  10. Charles Thomas, MDClyde, NC 287211447200738
  11. David Thomas, MD PASylva, NC 287791336288166
  12. Shannon Tomlinson, M.D.Hickory, NC 286021679621395
  13. George Trivette, M.D.Charlotte, NC 282041417912361
  14. Eugene VaiosDurham, NC 277101245799386
  15. Thomas Walden, M.D.Lumberton, NC 283581447214028
  16. Andrew Wang, M.D.Chapel Hill, NC 275141306023460
  17. Matthew Ward, M.D.Charlotte, NC 282041043570948
  18. William Warlick, M.D.Charlotte, NC 282041962461269
  19. Ashley Weiner, M.D., PH.D.Chapel Hill, NC 275141154697381
  20. Stacy Wentworth, MDGreensboro, NC 274031073792974
  21. Neil Wijetunga, MD, PHD, MSChapel Hill, NC 275141992235832
  22. Aaron Wild, MDCharlotte, NC 282041124397328
  23. Albert Wiley, MD, PHDGreenville, NC 278581639152325
  24. Christopher Willett, M.D.Durham, NC 277041770679144
  25. Noelle Williams, M.D.Charlotte, NC 282041558603605
  26. Susan Woody, MDGreenville, NC 278341215510938
  27. Theodore Yanagihara, M.D., PH.DChapel Hill, NC 275141316201007
  28. Patrick Young, DOWinston Salem, NC 271571801599600
  29. Timothy Zagar, M.D.Chapel Hill, NC 275141972703288
  30. Sayyad Zia, M.D.Hendersonville, NC 287391124330311

Source: CMS NPPES, primary taxonomy 2085R0001X: records by practice city and the list of records, file of Aug 9, 2026.

North Carolina ranks 21 of 51 per resident

  1. Illinois2.2
  2. Missouri2.2
  3. Vermont2.2
  4. North Carolina2.1
  5. Montana2.1
  6. Arizona2.1
  7. 50 states and D.C.2.1

Source: CMS NPPES, primary taxonomy 2085R0001X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

78.3% of these records appear in a Medicare file, against 82.3% 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. North Carolina78.3%
  2. United States82.3%

Radiation Oncology Physician records in North Carolina, measured

  • In a Medicare file180 of 230 · 78.3% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file167 · 72.6% here, 74.0% nationally
  • Not updated in five years or more155 · 67.4% here, 54.6% nationally
  • Median graduation year2003 · the 166 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2085R0001X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

230 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in North Carolina: 2.1 per 100,000 residents against 2.1 nationally (50 states and D.C.). Durham has 30 of them (13%).

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. Michigan239
  2. Massachusetts241
  3. Washington198
  4. Illinois277

States with a similar rate per 100,000

  1. Montana2.1
  2. Arizona2.1
  3. West Virginia2.1
  4. Iowa2.1

The largest states

  1. California735
  2. Florida520
  3. New York449
  4. Texas449
  5. Pennsylvania383

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.