NPPES file of Aug 9, 2026

Radiation Oncology Physician in Iowa

67 NPPES records list radiation oncology physician with a practice address in Iowa, 2.1 per 100,000 residents, the 25th highest rate of 51. Iowa City and Des Moines have the most; each record links to the provider's NPI and the Iowa license search. Page 1 of 2.

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).

Iowa City has the most, 21

  1. Iowa City21
  2. Des Moines14
  3. Cedar Rapids6
  4. Ames4
  5. Davenport3

Radiation Oncology Physician records in Iowa

  1. Mohamed Abdi, MDMason City, IA 504011982162608
  2. Bryan Allen, M.D., PH.D.Iowa City, IA 522421689832081
  3. August Anderson, MDSioux City, IA 511011093342859
  4. Carryn Anderson, MDIowa City, IA 522421891987392
  5. Samuel Andrews, M.D.Iowa City, IA 522421851508337
  6. Truston Bodine, MD, PHDDes Moines, IA 503141740787845
  7. John Buatti, MDIowa City, IA 522421205829058
  8. James Byrne, M.D., PH.D.Iowa City, IA 522421386091148
  9. Joseph Carmicheal, MD, PHDDes Moines, IA 503141871239921
  10. Philip Colletier, MDDes Moines, IA 503141760569412
  11. Candace Correa, M.D.Cedar Rapids, IA 524031952420671
  12. Brendan Coutu, M.D.Waterloo, IA 507021407388820
  13. Richard Deming, MDDes Moines, IA 503141255418059
  14. Mark Dion, MDIowa City, IA 522421447252010
  15. Moses Evbuomwan, MDIowa City, IA 522421417698762
  16. Gabriel Faria NajasOttumwa, IA 525011295668580
  17. Cassandra Foens, M.D.Waterloo, IA 507021285604470
  18. Adam Gliniewicz, M.D.Des Moines, IA 503141669835914
  19. John Hardie, MDAmes, IA 500101073801148
  20. Albert Hass, MDIowa City, IA 522421235121062
  21. Lyman Hopkins, MDAmes, IA 500101144450578
  22. Robert Isaak, M.D., PHARM.D.Des Moines, IA 503091619197464
  23. Yousef Ismael, MDOttumwa, IA 525011922657337
  24. Vandana Jain, M.D.Waterloo, IA 507021083684757
  25. Louis Keiler, M.D.Cedar Rapids, IA 524031033322219
  26. Sami Koro, MDClinton, IA 527321730822925
  27. Malgorzata Kozak, M.D.Iowa City, IA 522421083091235
  28. Thomas Lally, MDDubuque, IA 520011396873725
  29. Yat Lau, MDSioux City, IA 511011235234279
  30. Kiwhoon Lee, M.D.Davenport, IA 528041568604916
  31. Wook Lee, MDCedar Rapids, IA 524031134135015
  32. Wyman Lee, MDWest Burlington, IA 526551659560589
  33. Mark Lo Galbo, DO, MPHIowa City, IA 522421962206961
  34. John Longo, MDCarroll, IA 514011104811835
  35. Michael Marquardt, M.D.Cedar Rapids, IA 524031639582810
  36. John Martens, MDDes Moines, IA 503141699852368
  37. Geovanne Mauro, MDBettendorf, IA 527221265222814
  38. Sarah McAvoy, M.D.Des Moines, IA 503141144549015
  39. Emily Merfeld, MDDes Moines, IA 503141194222554
  40. Janet Merfeld, MDCedar Rapids, IA 524031639165087
  41. Edward Miles, M.D.Dubuque, IA 520011336311349
  42. Nicholas Olson, MDAmes, IA 500101558704338
  43. Kevin Orcutt, MDMason City, IA 504011760706386
  44. Jessica Parkhurst, M.D.Iowa City, IA 522421699188664
  45. Kristin PlichtaIowa City, IA 522421326305038
  46. Shri Kiriti Rajan, MDIowa City, IA 522421699352427
  47. Farida Rajput, MDBettendorf, IA 527221871565226
  48. Reddy Reganti, MDWest Burlington, IA 526551952396277
  49. Crosby RockDes Moines, IA 503091457849259
  50. William Rockey, M.D.Iowa City, IA 522421043416548

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

Iowa ranks 25 of 51 per resident

  1. Montana2.1
  2. Arizona2.1
  3. West Virginia2.1
  4. Iowa2.1
  5. Alaska2.0
  6. Maryland2.0
  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.

73.1% 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. Iowa73.1%
  2. United States82.3%

Radiation Oncology Physician records in Iowa, measured

  • In a Medicare file49 of 67 · 73.1% here, 82.3% nationally
  • In the CMS Doctors and Clinicians file45 · 67.2% here, 74.0% nationally
  • Not updated in five years or more40 · 59.7% here, 54.6% nationally
  • Median graduation year2010 · the 45 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

67 NPPES records list radiation oncology physician (2085R0001X) as their primary taxonomy with a practice address in Iowa: 2.1 per 100,000 residents against 2.1 nationally (50 states and D.C.). Iowa City has 21 of them (31%).

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. Kansas68
  2. Louisiana66
  3. Utah62
  4. Oklahoma56

States with a similar rate per 100,000

  1. West Virginia2.1
  2. Arizona2.1
  3. Montana2.1
  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.