NPPES file of Aug 9, 2026

Radiation Oncology Physician in Pennsylvania

383 NPPES records list radiation oncology physician with a practice address in Pennsylvania, 3 per 100,000 residents, the 3rd highest rate of 51. Philadelphia and Pittsburgh have the most; each record links to the provider's NPI and the Pennsylvania license search. Page 8 of 8.

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).

Philadelphia has the most, 121

  1. Philadelphia121
  2. Pittsburgh46
  3. Allentown12
  4. Hershey10
  5. Erie9

Radiation Oncology Physician records in Pennsylvania

  1. Sangeeta Tyerech, M.D.Philadelphia, PA 191111356347504
  2. Dennis Ulewicz, M.D.Greensburg, PA 156011396723474
  3. John Vakios, M.DSayre, PA 188401598702375
  4. Vladimir Valakh, M.D.Pittsburgh, PA 152241770815664
  5. Ryan Vandenberg, MDErie, PA 165021700314887
  6. Neha Vapiwala, MDPhiladelphia, PA 191041407898893
  7. John VargoPittsburgh, PA 152321386943173
  8. Bhanu Prasad VenkatesuluPittsburgh, PA 152131275093734
  9. Vivek Verma, MDWilkes Barre, PA 187111780926022
  10. Henry Wagner, MDHershey, PA 170331154375145
  11. Tyler WalburnCarlisle, PA 170151568044352
  12. Michael Watson, MDLebanon, PA 170421689661555
  13. Rodney Wegner, MDClairton, PA 150251194047969
  14. Marisa Weiss, MDWynnewood, PA 190961457351660
  15. Stephanie Weiss, MDPhiladelphia, PA 191111154388841
  16. David Weksberg, MDHarrisburg, PA 171091093947954
  17. Robert Werner, M.D.Pittsburgh, PA 152431801860911
  18. Maria Werner-Wasik, M.D.Philadelphia, PA 191071467476713
  19. Christopher Wilke, MD/PHDPittsburgh, PA 152321790077584
  20. Graeme Williams, MD, MBAPhiladelphia, PA 191041780115873
  21. David Wilson, MDPhiladelphia, PA 191041609010941
  22. Steven Wilson, M.D.New Castle, PA 161051366593790
  23. Jessica Wong, M.DPhiladelphia, PA 191111306226352
  24. Ato Wright, MD/PHDMechanicsburg, PA 170501205137585
  25. Raymond Wynn, MDErie, PA 165051548216195
  26. Sherif Yacoub, M.D.York, PA 174031821099912
  27. Hilario Yankey, MDPhiladelphia, PA 191111407416795
  28. Richard Yelovich, MDExton, PA 193411407856628
  29. Andrew Young, M.D.Lewistown, PA 170441528151305
  30. Ashraf Youssef, MDMechanicsburg, PA 170551821083064
  31. Omar Yumen, M.D.Sayre, PA 188401376596007
  32. Kenneth Zeitzer, M.D.Philadelphia, PA 191411801980230
  33. Andrew Zureick, MDPittsburgh, PA 152321598259061

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

Pennsylvania ranks 3 of 51 per resident

  1. District of Columbia3.8
  2. Massachusetts3.4
  3. Pennsylvania3.0
  4. North Dakota2.9
  5. New Hampshire2.9
  6. 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.

81.7% 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. Pennsylvania81.7%
  2. United States82.3%

Radiation Oncology Physician records in Pennsylvania, measured

  • In a Medicare file313 of 383 · 81.7% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file286 · 74.7% here, 74.0% nationally
  • Not updated in five years or more231 · 60.3% here, 54.6% nationally
  • Median graduation year2004 · the 285 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

383 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Pennsylvania: 3 per 100,000 residents against 2.1 nationally (50 states and D.C.). Philadelphia has 121 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. New York449
  2. Texas449
  3. Ohio298
  4. Illinois277

States with a similar rate per 100,000

  1. North Dakota2.9
  2. New Hampshire2.9
  3. Minnesota2.8
  4. Oregon2.7

The largest states

  1. California735
  2. Florida520
  3. New York449
  4. Texas449
  5. Ohio298

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.