NPPES file of Aug 9, 2026

Radiation Oncology Physician in District of Columbia

26 NPPES records list radiation oncology physician with a practice address in District of Columbia, 3.8 per 100,000 residents, the 1st highest rate of 51; each record links to the provider's NPI and the District of Columbia license search.

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).

Washington has the most, 26

  1. Washington26

Radiation Oncology Physician records in District of Columbia

  1. Ebrahim Ashayeri, MDWashington, DC 200601164467460
  2. Joann Collier-ManningWashington, DC 200071891795167
  3. Brian CollinsWashington, DC 200071417956640
  4. Sean CollinsWashington, DC 200071396764965
  5. Victoria Croog, M.D.Washington, DC 200161275791618
  6. Sana Dastgheyb, MD, PHDWashington, DC 204221588124259
  7. Anatoly Dritschilo, M.D.Washington, DC 200071285626010
  8. Matthew Forsthoefel, M.D.Washington, DC 200371942664560
  9. Mihoko Fujita, MDWashington, DC 200601447295746
  10. Aditya Halthore, MDWashington, DC 200161053686279
  11. Rachit Kumar, MDWashington, DC 200161821313966
  12. Carmen Kut, MD PHDWashington, DC 200161336663186
  13. Jonathan Lischalk, M.D.Washington, DC 200071083973556
  14. Nam Nguyen, M.D.Washington, DC 200601538266234
  15. Martin Ojong-Ntui, M.D.Washington, DC 200371679644488
  16. Adedamola Omogbehin, MDWashington, DC 200101841233541
  17. Brandi Page, M.D.Washington, DC 200161043454309
  18. Nitika PaudelWashington, DC 200071063830347
  19. Pamela Randolph Jackson, MDWashington, DC 200101801813407
  20. Jill Remick, MDWashington, DC 200371073992038
  21. Sophia Rizvi, MDWashington, DC 200071003435827
  22. Sherif Shaaban, MDWashington, DC 200161376037986
  23. Christina Tsien, MDWashington, DC 200161528151990
  24. Keith Unger, MDWashington, DC 200071205077781
  25. Robert White, MDWashington, DC 200101639287444
  26. Jean Wright, MDWashington, DC 200161053579870

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

District of Columbia ranks 1 of 51 per resident

  1. District of Columbia3.8
  2. Massachusetts3.4
  3. Pennsylvania3.0
  4. 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.

84.6% 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. District of Columbia84.6%
  2. United States82.3%

Radiation Oncology Physician records in District of Columbia, measured

  • In a Medicare file22 of 26 · 84.6% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file18 · 69.2% here, 74.0% nationally
  • Not updated in five years or more16 · 61.5% here, 54.6% nationally
  • Median graduation year2004 · the 18 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

26 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in District of Columbia: 3.8 per 100,000 residents against 2.1 nationally (50 states and D.C.). Washington has 26 of them (100%).

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 Mexico26
  2. Idaho25
  3. Maine27
  4. Hawaii28

States with a similar rate per 100,000

  1. Massachusetts3.4
  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.