Pediatric Hematology-Oncology in Iowa
36 licensed pediatric oncologists practicing in Iowa across 8 cities.
This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.
Source: NPI Registry · last checked
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NPI Registry records — Pediatric Hematology-Oncology in Iowa
17 of 36 shown have disclosed payments in CMS Open Payments (2024)
Showing 36 of 36 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.
Naser J Al Zein, MD
1215 Pleasant St, Suite 300
Des Moines, IA 50309 · (515) 241-6500
License: 36055 (IA)
Beeling Armijo, MD
200 Hawkins Dr, Iowa Childrens Pediatric Hematology Oncology Dept
Iowa City, IA 52242 · (319) 356-3595
License: MD-41692 (IA)
Christopher Carter Barnett, MD
200 Hawkins Dr
Iowa City, IA 52242 · (319) 467-5320
License: MD-54995 (IA)
In 2024, $17 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($17).
Largest single payer: ACADIA Pharmaceuticals Inc ($17).
David Alan Claassen, MD PHD
200 Hawkins Dr
Iowa City, IA 52242 · (319) 356-3595
License: MD-45319 (IA)
In 2024, $3,743 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly charitable contributions ($3,712) and entertainment ($31).
Largest single payer: Y-mAbs Therapeutics, Inc. ($2,243).
Stephen C Elliott, DO PHD
1212 Pleasant St, Suite 300
Des Moines, IA 50309 · (515) 241-6000
License: 1578 (IA)
In 2023, $96 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($96).
Nicholas John Fustino, MD
1215 Pleasant St Ste 514
Des Moines, IA 50309 · (515) 241-8912
License: 39645 (IA)
In 2024, $24 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($24).
Largest single payer: Servier Pharmaceuticals LLC ($24).
In 2024, $123 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($123).
Largest single payer: USWM, LLC ($123).
David Jon Gordon, MD
200 Hawkins Dr, Department of Pediatric Hematology/oncology
Iowa City, IA 52242 · (319) 384-5108
License: MD-41743 (IA)
Kathryn Megan Harmoney, DO
404 N Keene St
Columbia, MO 65201 · (573) 875-9000
License: A-2400-20 (NM)
In 2024, $241 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($241).
Largest single payer: Alexion Pharmaceuticals, Inc. ($121).
In 2024, $123 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($123).
Largest single payer: USWM, LLC ($123).
Michell Marola Lozano Chinga, MD
100 N Mario Capecchi Dr
Salt Lake City, UT 84113 · (801) 662-4700
License: 11248425-1205 (UT)
In 2024, $718 was disclosed to this physician across 13 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($718).
Largest single payer: Pharming Healthcare, Inc. ($279).
Samantha L. Mallory, MD
1215 Pleasant St Ste 514
Des Moines, IA 50309 · (515) 241-8912
License: MD-43466 (IA)
In 2024, $50 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($50).
Largest single payer: Adaptive Biotechnologies Corporation ($26).
Laura Christine McCarthy, DO, MBA
1215 Pleasant St Ste 514
Des Moines, IA 50309 · (515) 241-8912
License: DO-05421 (IA)
In 2023, $124 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($124).
Torrey L Mitchell, MD
1215 Pleasant St, Suite 300
Des Moines, IA 50309 · (515) 241-6500
License: 34448 (IA)
Arunkumar Jagadishbhai Modi, MD
2415 N Orange Ave Ste 601
Orlando, FL 32804 · (407) 303-2070
License: ME169505 (FL)
In 2024, $17 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($17).
Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($17).
Nancy Collins O'Brien, MD
Ottumwa Pediatrics, 931 Pennsylvania Ave
Ottumwa, IA 52501 · (641) 684-3000
License: 29316 (IA)
Vasundhara Posavanike Kailasnath, MD
200 Hawkins Dr, Stead Family Department of Pediatrics
Iowa City, IA 52242 · (319) 384-5966
License: MD-42311 (IA)
Christopher Alan Rokes, MD
1215 Pleasant St., Suite 306
Des Moines, IA 50309 · (575) 241-8912
License: 38763 (IA)
In 2024, $26 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($26).
Largest single payer: Adaptive Biotechnologies Corporation ($26).
Anjali A Sharathkumar, MD
200 Hawkins Dr
Iowa City, IA 52242 · (319) 384-5108
License: MD-42427 (IA)
In 2023, $13 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly gifts ($13).
Rajat Sharma, MBBS MD
9300 Valley Childrens Pl
Madera, CA 93636 · (559) 353-5700
License: A202520 (CA)
In 2024, $67,181 was disclosed to this physician across 51 transactions by pharmaceutical or medical-device companies.
$3,568 was research funding (clinical-trial work); the remainder was charitable contributions ($45,941) and consulting fees ($9,788).
Largest single payer: Genzyme Corporation ($37,012).
Stephen R Stephenson, MD
1215 Pleasant St., Ste. 306
Des Moines, IA 50309 · (515) 241-5926
License: 35187 (IA)
In 2023, $23 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($23).
William Terry, MD, MPH
200 Hawkins Dr, 2520 Jcp
Iowa City, IA 52242 · (319) 384-5108
License: MD-42879 (IA)
In 2023, $13 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.
Mostly entertainment ($13).
Wendy Woods-Swafford, MD
1215 Pleasent St., Ste. 306
Des Moines, IA 50309 · (515) 241-8912
License: 37743 (IA)
In 2023, $144 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.
Mostly entertainment ($144).
Jessica Ann Odendahl Zimmerman, MD
200 Hawkins Dr
Iowa City, IA 52242 · (319) 356-8223
License: MD-44356 (IA)
Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.
Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.
What this page is: a republication of public federal NPI Registry records, filtered to the pediatric hematology-oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.
Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.
Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.
Source: NPI Registry (taxonomy: Pediatric Hematology-Oncology) · Last checked: 2026-04-20