NPPES file of Aug 9, 2026

Radiation Oncology Physician in Michigan

239 NPPES records list radiation oncology physician with a practice address in Michigan, 2.4 per 100,000 residents, the 13th highest rate of 51. Ann Arbor and Detroit have the most; each record links to the provider's NPI and the Michigan 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).

Ann Arbor has the most, 39

  1. Ann Arbor39
  2. Detroit26
  3. Royal Oak26
  4. Grand Rapids12
  5. Flint11

Radiation Oncology Physician records in Michigan

  1. Samuel Franck SeppoDetroit, MI 482021124714761
  2. Zachary Seymour, M.D.Troy, MI 480851164758025
  3. Jennifer Shah, M.D.Brighton, MI 481161821387770
  4. Tushar Shah, M.D.Flint, MI 485031568449395
  5. Farzan Siddiqui, M.D., PH.D.Detroit, MI 482021922217793
  6. M. Salim Siddiqui, M.D., PH.D.Detroit, MI 482021396010922
  7. Julie Soriano, MDChelsea, MI 481181619060084
  8. Brooke Spencer, MDFlint, MI 485321215149117
  9. Bryan Squires, MDYpsilanti, MI 481971285154237
  10. Craig Stevens, MDRoyal Oak, MI 480731902812415
  11. Jannifer Stromberg, M.D.Troy, MI 480851740240894
  12. Robert Taila, MDYpsilanti, MI 481971528273828
  13. Joseph TangAnn Arbor, MI 481091578250858
  14. Keqin Tang, MDDetroit, MI 482011164762464
  15. Matthew Tate, MDAnn Arbor, MI 481091508089426
  16. Nadine Tayeb, MDRoyal Oak, MI 480731952048449
  17. Paul Thieme, DOGrand Rapids, MI 495031568535938
  18. Oyinlola Thomas, MBBSRoyal Oak, MI 480731033095062
  19. Andrew Thompson, M.D.Sterling Heights, MI 483141972985737
  20. Michelle Tibbs, MDAnn Arbor, MI 481091881221158
  21. Jawad Turfa, MDRoyal Oak, MI 480731104616614
  22. Nitin Vaishampayan, M.D.Detroit, MI 482011861466963
  23. Sean Vance, MDJackson, MI 492011336415272
  24. Narine Vartanian, MDAnn Arbor, MI 481091629838529
  25. Frank Vicini, M.D.Pontiac, MI 483411871553826
  26. Maria Vlachaki, M.D.Detroit, MI 482011366443137
  27. Daniel Wahl, M.D., PH.D.Ann Arbor, MI 481091891052262
  28. Eleanor Walker, M.D.Detroit, MI 482021548320955
  29. David WallingtonBattle Creek, MI 490171598384380
  30. Jack Wang, M.D.Muskegon, MI 494421740272368
  31. Jacquelyn Watson, MDKalamazoo, MI 490071801881065
  32. Jennifer Webb, MDLansing, MI 489101396782884
  33. Joel Wilkie, MD, PHDYpsilanti, MI 481971508253568
  34. Chester Wilson, MDWyoming, MI 495191548245772
  35. Salam Yanek, M.D.Saginaw, MI 486011669697629
  36. Nikhil Yegya-Raman, MDAnn Arbor, MI 481091245790690
  37. Brian Yeh, M.D.Flint, MI 485321265762777
  38. Mark Zaki, M.D.Saginaw, MI 486041194089441
  39. Pedro Zamora, M.D.Petoskey, MI 497701740713338

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

Michigan ranks 13 of 51 per resident

  1. Washington2.5
  2. Ohio2.5
  3. South Dakota2.4
  4. Michigan2.4
  5. Kansas2.3
  6. Florida2.3
  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.

79.1% 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. Michigan79.1%
  2. United States82.3%

Radiation Oncology Physician records in Michigan, measured

  • In a Medicare file189 of 239 · 79.1% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file172 · 72.0% here, 74.0% nationally
  • Not updated in five years or more129 · 54.0% here, 54.6% nationally
  • Median graduation year2005 · the 172 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

239 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Michigan: 2.4 per 100,000 residents against 2.1 nationally (50 states and D.C.). Ann Arbor has 39 of them (16%).

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. Massachusetts241
  2. North Carolina230
  3. Illinois277
  4. Washington198

States with a similar rate per 100,000

  1. South Dakota2.4
  2. Kansas2.3
  3. Florida2.3
  4. New York2.3

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.