NPPES file of Aug 9, 2026

Radiation Oncology Physician in Massachusetts

241 NPPES records list radiation oncology physician with a practice address in Massachusetts, 3.4 per 100,000 residents, the 2nd highest rate of 51. Boston and Worcester have the most; each record links to the provider's NPI and the Massachusetts 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).

Boston has the most, 146

  1. Boston146
  2. Worcester19
  3. Burlington7
  4. Hyannis6
  5. Fall River5

Radiation Oncology Physician records in Massachusetts

  1. Alicia Smart, MDBoston, MA 021151437619509
  2. Mark Smyczynski, M.D.Worcester, MA 016551871661603
  3. Daniel Soto, M.D.Danvers, MA 019231982723334
  4. Alexander Spektor, M.D., PH.D.Boston, MA 021151205062544
  5. Daphna Spiegel, M.D.Boston, MA 022151548607021
  6. Robert Stein, MDWorcester, MA 016551720063076
  7. David Stratton, CMDNorthampton, MA 010601962248047
  8. Molly Sullivan, M.D.Hyannis, MA 026011679679906
  9. Mitchell Swartz, MD, SCDWeston, MA 024931417997941
  10. Alphonse Taghian, MDBoston, MA 021151902887417
  11. Won Tak, M.D.Worcester, MA 016051598897472
  12. Jacqueline Tan, MDBoston, MA 021151598766214
  13. Shyam Tanguturi, M.D.Boston, MA 021151992099956
  14. Joanna Tansky, M.D. PH.D.Boston, MA 021141710208731
  15. Cherry ThomasWinchester, MA 018901710385844
  16. Bryce Thomsen, M.D.Boston, MA 021151881493187
  17. Matthew ThoonkuzhyBoston, MA 021111407597719
  18. Gayle Tillman, MDWorcester, MA 016551891709341
  19. Roy Tishler, MD PHDBoston, MA 021151013966464
  20. Michael Tjong, MD, MPHBoston, MA 021151134854318
  21. Minh Truong, MDBoston, MA 021181316937436
  22. Brandon Turner, MD, MSCBoston, MA 021151396205175
  23. Teresa Van Buren, M.D.Framingham, MA 017011699709451
  24. Ritchell Van Dams, M.D.Boston, MA 022151992156376
  25. Veena Venkatachalam, M.D., PH.D.Boston, MA 021151255781811
  26. Laura Warren, MDBoston, MA 021151144514910
  27. Eric Weber, MDPeabody, MA 019601225130685
  28. Henning Willers, MDBoston, MA 021151417932450
  29. Amy WisdomBoston, MA 021141275119612
  30. Jennifer Wo, M.D.Boston, MA 021141306041835
  31. Gene Wong, MDBurlington, MA 018051770588923
  32. Julia Wong, MDBoston, MA 021151528025210
  33. Christopher Wright, M.D.Burlington, MA 018051992231492
  34. Sherry Yan, M.D.Boston, MA 021181689035503
  35. David Yang, MDBoston, MA 021151689168338
  36. Darwin Yip, MDBoston, MA 021141194160838
  37. Torunn Yock, MDBoston, MA 021141144203985
  38. Andris Zauls, M.D.Brockton, MA 023011437374121
  39. Fan Zhu, M.D.Marlborough, MA 017521083146294
  40. Iowis ZhuBoston, MA 021141780435982
  41. Anthony Zietman, MDBoston, MA 021141811972904

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

Massachusetts ranks 2 of 51 per resident

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

77.2% 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. Massachusetts77.2%
  2. United States82.3%

Radiation Oncology Physician records in Massachusetts, measured

  • In a Medicare file186 of 241 · 77.2% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file172 · 71.4% here, 74.0% nationally
  • Not updated in five years or more129 · 53.5% here, 54.6% nationally
  • Median graduation year2006 · 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

241 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Massachusetts: 3.4 per 100,000 residents against 2.1 nationally (50 states and D.C.). Boston has 146 of them (61%).

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. North Carolina230
  3. Illinois277
  4. Washington198

States with a similar rate per 100,000

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

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.