NPPES file of Aug 9, 2026

Radiation Oncology Physician in New Hampshire

40 NPPES records list radiation oncology physician with a practice address in New Hampshire, 2.9 per 100,000 residents, the 5th highest rate of 51. Lebanon and Manchester have the most; each record links to the provider's NPI and the New Hampshire license search.

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

Lebanon has the most, 15

Radiation Oncology Physician records in New Hampshire

  1. James Becht, M.D.Manchester, NH 031031336163047
  2. Jeffrey Brower, M.D., PH.D.Dover, NH 038201588912307
  3. David Buchberger, MDManchester, NH 031031518594845
  4. James Cordova, MD, PHDLebanon, NH 037561023513728
  5. Thomas Delaney, MDLebanon, NH 037561023099249
  6. Anna Fariss, MDLebanon, NH 037561982713913
  7. Stephen Harris, M.D.Manchester, NH 031031790990356
  8. Lesley Jarvis, M.D.Lebanon, NH 037561144417502
  9. Courtney Jensen, MDLebanon, NH 037561770768095
  10. Nirav Kapadia, MDLebanon, NH 037561881857308
  11. Evangelia Katsoulakis, M.D.Lebanon, NH 037561386807493
  12. Matthew Katz, M.D.Concord, NH 033011336168822
  13. Brian Knab, M.D.Manchester, NH 031031427180363
  14. Jeffrey Lemons, MDDover, NH 038201073959920
  15. Charles Leutzinger, M.D.Manchester, NH 031031063584795
  16. Steven Levene, MDKeene, NH 034311043269517
  17. Katie LichterLebanon, NH 037561649822099
  18. Jacqueline Lyon, M.D.Keene, NH 034311689676496
  19. Arul Mahadevan, MDDover, NH 038201326148487
  20. Allison MatousLebanon, NH 037561730766452
  21. Su Metcalfe, M.D., M.P.H.Dover, NH 038201770690471
  22. Asa Nixon, M.D., M.P.H.Dover, NH 038201730285172
  23. Etin-Osa OsaNashua, NH 030631346475407
  24. Virginia Osborn, M.DExeter, NH 038331023457223
  25. Janelle Park, M.D.Keene, NH 034311033219563
  26. Kelli Pointer, M.D.,PH.D.Nashua, NH 030631104358852
  27. Abbas Rattani, MDExeter, NH 038331700346368
  28. Bryan Rowe, M.D.Manchester, NH 031031023279395
  29. Gregory Russo, M.D.Lebanon, NH 037561750591400
  30. Philip Schaner, MDLebanon, NH 037561225248123
  31. Thomas Sheldon, M.D.Concord, NH 033011912080342
  32. Himanshu Singh, MDDover, NH 038201942308655
  33. Clayton Smith, MDPortsmouth, NH 038011184184160
  34. Liza Stapleford, MDLebanon, NH 037561235316720
  35. Jaipreet Suri, MDExeter, NH 038331013329382
  36. Charles Thomas, MDLebanon, NH 037561407874167
  37. Donald Weiss, M.D.Manchester, NH 031031639103914
  38. James Yu, MDLebanon, NH 037561306020474
  39. Bassem Zaki, M.D.Lebanon, NH 037561679599625
  40. Ping Zhou, M.D.Manchester, NH 031031174551436

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

New Hampshire ranks 5 of 51 per resident

  1. Massachusetts3.4
  2. Pennsylvania3.0
  3. North Dakota2.9
  4. New Hampshire2.9
  5. Minnesota2.8
  6. Oregon2.7
  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.

92.5% 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. New Hampshire92.5%
  2. United States82.3%

Radiation Oncology Physician records in New Hampshire, measured

  • In a Medicare file37 of 40 · 92.5% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file35 · 87.5% here, 74.0% nationally
  • Not updated in five years or more21 · 52.5% here, 54.6% nationally
  • Median graduation year2005 · the 35 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

40 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in New Hampshire: 2.9 per 100,000 residents against 2.1 nationally (50 states and D.C.). Lebanon has 15 of them (38%).

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. Mississippi41
  2. Nebraska37
  3. West Virginia37
  4. Nevada45

States with a similar rate per 100,000

  1. Minnesota2.8
  2. North Dakota2.9
  3. Pennsylvania3.0
  4. Oregon2.7

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.