NPPES file of Aug 9, 2026

Hematology & Oncology Physician in Iowa

90 NPPES records list hematology & oncology physician with a practice address in Iowa, 2.8 per 100,000 residents, the 47th highest rate of 51. Iowa City and Cedar Rapids have the most; each record links to the provider's NPI and the Iowa license search. Page 2 of 2.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RH0003X · 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, 42

  1. Iowa City42
  2. Cedar Rapids8
  3. Ames7
  4. Des Moines6
  5. Dubuque5

Hematology & Oncology Physician records in Iowa

  1. Mohammed Milhem, MBBSIowa City, IA 522421558429100
  2. Chirayu Mohindroo, M.B.B.S.Iowa City, IA 522421235751207
  3. Roy Molina, MDDes Moines, IA 503141336103969
  4. Cheryl Morgan-Ihrig, M.D.Dubuque, IA 520011235108036
  5. Mukund Nadipuram, MDWaterloo, IA 507021962444349
  6. Hussain Naseri, M.D.Waterloo, IA 507021154646149
  7. Larry Otteman, MDAmes, IA 500101528059078
  8. Sonam Patel, M.D.Ames, IA 500101306230230
  9. Usha Perepu, MBBSIowa City, IA 522421497060776
  10. Jorge Perez-Cardona, M.D.Clinton, IA 527321801829635
  11. Sneha Phadke, DOIowa City, IA 522421437460482
  12. Mariana Pilon Capella, MDIowa City, IA 522421013891886
  13. Glenn Preston, M.D.Spencer, IA 513011194796243
  14. Debra Prow, M.D.Gilbert, IA 501051992736771
  15. Bilal Rahim, M.D.Iowa City, IA 522421568756682
  16. Radha Rao, M.D.Sioux City, IA 511011699746016
  17. Venkatesh Rudrapatna, M.D.Ames, IA 500101104012996
  18. Hassan SaeedIowa City, IA 522421730798133
  19. Jasjeet Sangha, MDWaterloo, IA 507011215980602
  20. Meredith Schaffner, D.O.Iowa City, IA 522421932468576
  21. Lori Shah, MDCedar Rapids, IA 524021912102880
  22. Maria Tariq Siddiqui, MBBSIowa City, IA 522421629590567
  23. Christopher Strouse, M.D.Iowa City, IA 522421295078533
  24. Grerk Sutamtewagul, MDIowa City, IA 522421003103383
  25. Umang Swami, MDIowa City, IA 522421447545520
  26. Mario Sy, M.D.Bettendorf, IA 527221447210638
  27. Kensuke TakaokaIowa City, IA 522421164153292
  28. Sarah Tofilon, MDFort Dodge, IA 505011003079997
  29. Guido Tricot, MDIowa City, IA 522421063502540
  30. Andrew VegelIowa City, IA 522421609336577
  31. Kiron Viswambharan Nair, MDOskaloosa, IA 525771790209914
  32. Thomas Warren, MDCedar Rapids, IA 524031851376404
  33. George Weiner, MDIowa City, IA 522421407826456
  34. Donald Wender, M.D.Sioux City, IA 511011861463275
  35. Samuel Wood, MDCedar Rapids, IA 524031356387260
  36. James Wooldridge, MDIowa City, IA 522421316924368
  37. Keith Wright, M.D.Cedar Rapids, IA 524031417932179
  38. Nanmeng Yu, MD, PHDIowa City, IA 522421265813612
  39. William Zeitler, M.D.Iowa City, IA 522421013356096
  40. David Zenk, MDCedar Rapids, IA 524031376528927

Source: CMS NPPES, primary taxonomy 207RH0003X: records by practice city and the list of records, file of Aug 9, 2026.

Iowa ranks 47 of 51 per resident

  1. Delaware3.0
  2. Utah2.9
  3. Alaska2.9
  4. Iowa2.8
  5. Nevada2.8
  6. Mississippi2.2
  7. 50 states and D.C.4.2

Source: CMS NPPES, primary taxonomy 207RH0003X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

74.4% of these records appear in a Medicare file, against 82.9% 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. Iowa74.4%
  2. United States82.9%

Hematology & Oncology Physician records in Iowa, measured

  • In a Medicare file67 of 90 · 74.4% here, 82.9% nationally
  • In the CMS Doctors and Clinicians file55 · 61.1% here, 71.3% nationally
  • Not updated in five years or more54 · 60.0% here, 54.3% nationally
  • Median graduation year2003 · the 55 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RH0003X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

90 NPPES records list hematology & oncology physician (207RH0003X) as their primary taxonomy with a practice address in Iowa: 2.8 per 100,000 residents against 4.2 nationally (50 states and D.C.). Iowa City has 42 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. Nevada88
  2. Rhode Island88
  3. District of Columbia81
  4. Utah99

States with a similar rate per 100,000

  1. Alaska2.9
  2. Delaware3.0
  3. Texas3.0
  4. New Mexico3.0

The largest states

  1. California1,583
  2. New York1,163
  3. Texas922
  4. Florida818
  5. Pennsylvania784

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.