NPPES file of Aug 9, 2026

Pediatric Hematology & Oncology Physician in Iowa

30 NPPES records list pediatric hematology & oncology physician with a practice address in Iowa, 0.9 per 100,000 residents, the 25th highest rate of 50. Iowa City and Des Moines have the most; each record links to the provider's NPI and the Iowa license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 2080P0207X · 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, 19

  1. Iowa City19
  2. Des Moines10
  3. Ottumwa1

Pediatric Hematology & Oncology Physician records in Iowa

  1. Naser Al Zein, MDDes Moines, IA 503091629050802
  2. Haya Alsarrawi, MBBSIowa City, IA 522421679255145
  3. Beeling Armijo, M.D.Iowa City, IA 522421447549704
  4. Christopher Barnett, MDIowa City, IA 522421972064210
  5. David Claassen, MD PHDIowa City, IA 522421871892455
  6. David Dickens, MDIowa City, IA 522421720058092
  7. Stephen Elliott, DO PHDDes Moines, IA 503091710971478
  8. Julie Fischer, MDIowa City, IA 522421063919819
  9. Cara Franey, MDDes Moines, IA 503091538621818
  10. Nicholas Fustino, M.D.Des Moines, IA 503091891952552
  11. Jenna Gedminas, M.D.Iowa City, IA 522421639516768
  12. David Gordon, MDIowa City, IA 522421336321330
  13. Krista Grinde, DOIowa City, IA 522421497106298
  14. Andrew Groves, MDIowa City, IA 522421891158275
  15. Michael Halyko, MDIowa City, IA 522421134501745
  16. Sara Horton, M.D.Iowa City, IA 522421902268592
  17. Samantha Mallory, MDDes Moines, IA 503091336375369
  18. Laura McCarthy, D.O., MBADes Moines, IA 503091184062457
  19. Torrey Mitchell, MDDes Moines, IA 503091114913985
  20. Nancy O'Brien, MDOttumwa, IA 525011770576373
  21. Vasundhara Posavanike Kailasnath, M.DIowa City, IA 522421134312549
  22. Christopher Rokes, M.D.Des Moines, IA 503091992037931
  23. Anjali Sharathkumar, MDIowa City, IA 522421194945691
  24. Janice Staber, M.D.Iowa City, IA 522421013126705
  25. Stephen Stephenson, MDDes Moines, IA 503091508850496
  26. William Terry, MD, MPHIowa City, IA 522421972739712
  27. Yatin Vyas, MDIowa City, IA 522421790751238
  28. Torin Waters, M.D.Iowa City, IA 522421508243700
  29. Wendy Woods-Swafford, MDDes Moines, IA 503091598812307
  30. Jessica Zimmerman, M.D.Iowa City, IA 522421730591975

Source: CMS NPPES, primary taxonomy 2080P0207X: records by practice city and the list of records, file of Aug 9, 2026.

Iowa ranks 25 of 50 per resident

  1. Maine1.0
  2. Utah1.0
  3. Illinois0.9
  4. Iowa0.9
  5. Georgia0.9
  6. Alabama0.9
  7. 50 states and D.C.1.1

Source: CMS NPPES, primary taxonomy 2080P0207X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

56.7% of these records appear in a Medicare file, against 50.9% 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. Iowa56.7%
  2. United States50.9%

Pediatric Hematology & Oncology Physician records in Iowa, measured

  • In a Medicare file17 of 30 · 56.7% here, 50.9% nationally
  • In the CMS Doctors and Clinicians file13 · 43.3% here, 31.2% nationally
  • Not updated in five years or more20 · 66.7% here, 54.5% nationally
  • Median graduation year2012 · the 13 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 2080P0207X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

30 NPPES records list pediatric hematology & oncology physician (2080P0207X) as their primary taxonomy with a practice address in Iowa: 0.9 per 100,000 residents against 1.1 nationally (50 states and D.C.). Iowa City has 19 of them (63%).

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. Louisiana31
  2. Oklahoma29
  3. Utah34
  4. Oregon36

States with a similar rate per 100,000

  1. Illinois0.9
  2. Georgia0.9
  3. Alabama0.9
  4. Maine1.0

The largest states

  1. California417
  2. Texas319
  3. New York289
  4. Pennsylvania218
  5. Massachusetts197

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.