NPPES file of Aug 9, 2026

Radiation Oncology Physician in Missouri

136 NPPES records list radiation oncology physician with a practice address in Missouri, 2.2 per 100,000 residents, the 19th highest rate of 51. Saint Louis and Kansas City have the most; each record links to the provider's NPI and the Missouri license search. Page 3 of 3.

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

Saint Louis has the most, 61

Radiation Oncology Physician records in Missouri

  1. Yvonne Thanh-Nga Pham, MDKansas City, MO 641331922326958
  2. Tyler Raclin, MDSaint Louis, MO 631101508625674
  3. Silpa Raju-Salicki, MDSaint Louis, MO 631101326786161
  4. Sunpreet Rakhra, MDKansas City, MO 641111134485618
  5. Nikhil Rammohan, MDSaint Louis, MO 631101417303421
  6. James Randall, MDSaint Louis, MO 631101396205498
  7. Clifford Robinson, MDSaint Louis, MO 631101699967281
  8. Amit Roy, M.D.Saint Louis, MO 631411750813960
  9. Pamela Samson, MDSaint Louis, MO 631101215223003
  10. David Schomas, M.D.Kansas City, MO 641111811974199
  11. Julie Schwarz, MDSaint Louis, MO 631101871634261
  12. David Shaeffer, MDKansas City, MO 641321588627756
  13. Jenny Shaffer, M.D.St Louis, MO 631281073838322
  14. Jeevin Shahi, MDSt Louis, MO 631101245856046
  15. Ross Shiels, MDJoplin, MO 648041649470311
  16. Christopher Spencer, M.D.Rolla, MO 654011568775567
  17. Matthew Spraker, MDSaint Louis, MO 631101821331596
  18. Eric Sutphen, MDSaint Louis, MO 631411932170859
  19. Robert Swanson, M.D.St Louis, MO 631171114969144
  20. Maria Thomas, MDSaint Louis, MO 631101104089465
  21. Wade Thorstad, MDSaint Louis, MO 631101356367668
  22. Nathan Tonlaar, M.D.Springfield, MO 658041811284375
  23. Brett Tortelli, MDSaint Louis, MO 631411477290161
  24. Patrick Townsend, MDKansas City, MO 641331346203429
  25. Gregory Vlacich, MDSaint Louis, MO 631101073839148
  26. Andrew Walker, M.D.Saint Joseph, MO 645071518229772
  27. Terry Wall, MDKansas City, MO 641111831152073
  28. Joseph Waller, M.D., M.P.H.Saint Charles, MO 633041376778258
  29. Bruce Walz, MDSt Louis, MO 631101063439677
  30. Edina WangSaint Louis, MO 631281538698758
  31. Michael Waters, MDSaint Louis, MO 631101710540786
  32. Steven Westgate, M.D.Columbia, MO 652031750379053
  33. Anthony Wheeler, MDBranson, MO 656161275531683
  34. Andrew Willett, MDSaint Louis, MO 631101093457160
  35. Joanna Yang, MDSaint Louis, MO 631101972947901
  36. Imran Zoberi, MDSaint Louis, MO 631101710903034

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

Missouri ranks 19 of 51 per resident

  1. New York2.3
  2. Connecticut2.3
  3. Illinois2.2
  4. Missouri2.2
  5. Vermont2.2
  6. North Carolina2.1
  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.

80.9% 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. Missouri80.9%
  2. United States82.3%

Radiation Oncology Physician records in Missouri, measured

  • In a Medicare file110 of 136 · 80.9% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file97 · 71.3% here, 74.0% nationally
  • Not updated in five years or more62 · 45.6% here, 54.6% nationally
  • Median graduation year2004 · the 96 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

136 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Missouri: 2.2 per 100,000 residents against 2.1 nationally (50 states and D.C.). Saint Louis has 61 of them (45%).

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. Indiana135
  2. Virginia137
  3. Tennessee132
  4. Maryland124

States with a similar rate per 100,000

  1. Illinois2.2
  2. Vermont2.2
  3. Connecticut2.3
  4. North Carolina2.1

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.