NPPES file of Aug 9, 2026

Radiation Oncology Physician in Delaware

19 NPPES records list radiation oncology physician with a practice address in Delaware, 1.8 per 100,000 residents, the 36th highest rate of 51. Newark and Dover have the most; each record links to the provider's NPI and the Delaware 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).

Newark has the most, 9

  1. Newark9
  2. Dover6
  3. Rehoboth Beach4

Radiation Oncology Physician records in Delaware

  1. Monica Chelius, MDNewark, DE 197131780203463
  2. Lana De Souza Lawrence, M.D.Newark, DE 197131225296668
  3. Viroon Donavanik, M.D.Newark, DE 197131215979927
  4. Jennifer Hung, M.D.Rehoboth Beach, DE 199711720203235
  5. Christopher Koprowski, M.D.Newark, DE 197131679517932
  6. John Lahaniatis, M.D.Dover, DE 199011326023102
  7. Tony Lee, MDDover, DE 199011588665178
  8. Khanh Nguyen, MDDover, DE 199011326144841
  9. Adam Raben, M.D.Newark, DE 197131306888961
  10. Lindsay Romak, M.D.Newark, DE 197131437479292
  11. Sunjay Shah, M.D.Newark, DE 197131538103551
  12. Yangyang Shi, MDDover, DE 199011134709751
  13. Gaurav Shukla, M.D., PH.D.Newark, DE 197131194068841
  14. Jon Strasser, M.D.Newark, DE 197131871537894
  15. Andrejs Strauss, M.D.Rehoboth Beach, DE 199711356343552
  16. David Suh, M.D.Dover, DE 199011396768255
  17. Samuel Swisher-McClure, MDRehoboth Beach, DE 199711669675880
  18. Owen Thomas, MDRehoboth Beach, DE 199711043412935
  19. Donald Tilton, D.O.Dover, DE 199041952380123

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

Delaware ranks 36 of 51 per resident

  1. California1.9
  2. Nebraska1.9
  3. Tennessee1.9
  4. Delaware1.8
  5. Utah1.8
  6. New Jersey1.6
  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.

84.2% 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. Delaware84.2%
  2. United States82.3%

Radiation Oncology Physician records in Delaware, measured

  • In a Medicare file16 of 19 · 84.2% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file14 · 73.7% here, 74.0% nationally
  • Not updated in five years or more14 · 73.7% here, 54.6% nationally
  • Median graduation year2000 · the 14 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

19 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Delaware: 1.8 per 100,000 residents against 2.1 nationally (50 states and D.C.). Newark has 9 of them (47%).

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. Puerto Rico20
  2. South Dakota22
  3. Alaska15
  4. North Dakota23

States with a similar rate per 100,000

  1. Tennessee1.9
  2. Utah1.8
  3. Nebraska1.9
  4. California1.9

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.