NPPES file of Aug 9, 2026

Radiation Oncology Physician in Ohio

298 NPPES records list radiation oncology physician with a practice address in Ohio, 2.5 per 100,000 residents, the 11th highest rate of 51. Columbus and Cleveland have the most; each record links to the provider's NPI and the Ohio license search. Page 6 of 6.

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).

Columbus has the most, 70

  1. Columbus70
  2. Cleveland60
  3. Cincinnati37
  4. Kettering13
  5. Canton7

Radiation Oncology Physician records in Ohio

  1. Michael Siedow, M.D.Columbus, OH 432151891227567
  2. Austin Sim, MDColumbus, OH 432101659806784
  3. Joel Simmons, MDAthens, OH 457011487861688
  4. Rajanish Singla, M.D.Mason, OH 450401689745119
  5. Sarah SittenfeldCincinnati, OH 452191982050118
  6. Timothy Smile, M.D.Kettering, OH 454291851823660
  7. Gerald Sokol, M.D.Cleveland, OH 441951174590707
  8. Daniel Spratt, M.D.Cleveland, OH 441061780905901
  9. Ryan Steinmetz, MDMiddletown, OH 450051902007651
  10. Timothy Struve, MDCincinnati, OH 452191841582186
  11. Daniel Sufficool, M.D.Canton, OH 447101083098669
  12. John Suh, M.D.Cleveland, OH 441951528025764
  13. Rahul Tendulkar, M.D.Cleveland, OH 441951558546432
  14. Gregory Thompson, MDChillicothe, OH 456011750512349
  15. Maxwell Tran, M.DGallipolis, OH 456311922595057
  16. William Vancise, MDFremont, OH 434201952391831
  17. Srini Vasan, MDBelpre, OH 457141376541649
  18. Andrew Vassil, M.D.Cleveland, OH 441951235308347
  19. Ralph Vatner, M.D., PH.D.Beavercreek, OH 454311013298264
  20. Carmen Vermont, MDCleveland, OH 441951043300387
  21. Sandra Victor, M.D.Springfield, OH 455041215939525
  22. Gregory Videtic, MDCleveland, OH 441951114982196
  23. Horia Vulpe, MD, CMPortsmouth, OH 456621023520095
  24. Patrick WaldColumbus, OH 432141851634943
  25. Edward Walsh, M.D.Canton, OH 447081124010954
  26. Steve Walston, D.O.Columbus, OH 432101053623397
  27. Kaidi Wang, MDColumbus, OH 432121255892345
  28. Kyle Wang, MDCincinnati, OH 452191326481425
  29. Shang-Jui Wang, M.D.Columbus, OH 432101821476524
  30. Michael Weller, M.D.Cleveland, OH 441951154616183
  31. Daniel White, M.D.Cincinnati, OH 452391205877578
  32. Julia White, M.D.Columbus, OH 432121356392385
  33. Douglas Widman, MDColumbus, OH 432221669461828
  34. Perry Williams, M.D.Lima, OH 458051932177268
  35. William Wilson, M.D.Chillicothe, OH 456011619101086
  36. Jessica Wobb, M.D.Hamilton, OH 450131356653984
  37. Neil Woody, M.D.Cleveland, OH 441951891085809
  38. Evan Wuthrick, M.D.Columbus, OH 432101588870323
  39. Alexander Yaney, MDDublin, OH 430171477057487
  40. Min Yao, MDCleveland, OH 441061255332326
  41. Charlene Yeh, MDCleveland, OH 441061467751644
  42. Rebekah Young, MDColumbus, OH 432101285950873
  43. Steven Zeidner, MDToledo, OH 436231700882693
  44. Ming Zeng, MDColumbus, OH 432191275522435
  45. Hong Zhang, M.D.Newark, OH 430551861458838
  46. Qian Zhang, MD, M.S., PH.D.Columbus, OH 432101427636570
  47. Simeng Zhu, MDColumbus, OH 432101689170433
  48. Raed Zuhour, M.DCleveland, OH 441061972965507

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

Ohio ranks 11 of 51 per resident

  1. Rhode Island2.6
  2. Wisconsin2.6
  3. Washington2.5
  4. Ohio2.5
  5. South Dakota2.4
  6. Michigan2.4
  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.

83.2% 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. Ohio83.2%
  2. United States82.3%

Radiation Oncology Physician records in Ohio, measured

  • In a Medicare file248 of 298 · 83.2% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file226 · 75.8% here, 74.0% nationally
  • Not updated in five years or more150 · 50.3% here, 54.6% nationally
  • Median graduation year2008 · the 226 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

298 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Ohio: 2.5 per 100,000 residents against 2.1 nationally (50 states and D.C.). Columbus has 70 of them (23%).

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. Illinois277
  2. Massachusetts241
  3. Michigan239
  4. North Carolina230

States with a similar rate per 100,000

  1. Washington2.5
  2. Wisconsin2.6
  3. Rhode Island2.6
  4. South Dakota2.4

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.