Hematologists and Oncologists in Iowa
Data updated monthly · Last refresh October 2026
88 Hematology & Oncology providers practice in Iowa, including 22 (25%) offering telehealth. The largest concentration is in Iowa City. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
88providers
22telehealth
Iowa Citytop city
Hematology & Oncology by city in Iowa
Choose a city to see providers there.
Hematology & Oncology providers in Iowa
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. James Feeley, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 339-3917 Dr. James Wooldridge, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-8110 Dr. Katarzyna Jamieson, MDIowa City, IA · $23 in drug and device payments (2025) ·
(319) 356-2038 Dr. Kensuke TakaokaIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2075 Dr. Laurel Lyckholm, M.D.Iowa City, IA · $205 in drug and device payments (2025) ·
(319) 467-5346 Dr. Mariana Pilon Capella, MDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-2374 Dr. Maria Tariq Siddiqui, MBBSIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-2148 Dr. Mark Karwal, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 353-7900 Dr. Mehndi Dandwani, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 384-7098 Dr. Meredith Schaffner, D.O.Iowa City, IA · $43 in drug and device payments (2025) · Telehealth ·
(319) 356-4422 Dr. Mohammed Milhem, MBBSIowa City, IA · $53 in drug and device payments (2025) · Telehealth ·
(319) 356-2324 Dr. Nanmeng Yu, MD, PHDIowa City, IA · $46 in drug and device payments (2025) · Telehealth ·
(319) 457-5346 Dr. Nicole Fleege, M.D.Iowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-7831 Dr. Penny Heinrich, MDIowa City, IA · $35 in drug and device payments (2025) ·
(319) 339-3551 Dr. Raafat Alameddine, MDIowa City, IA · $175 in drug and device payments (2025) ·
(319) 356-2732 Dr. Raul Del Toro MijaresIowa City, IA · $31 in drug and device payments (2025) ·
(319) 356-2075 Dr. Seth MaliskeIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 384-9668 Dr. Sneha Phadke, DOIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-2148 Dr. Thomas Carlisle, MD PHDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7714 Dr. Thomas Carter, MD PHDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-0489 Dr. Udhayvir Grewal, MDIowa City, IA · $106 in drug and device payments (2025) · Telehealth ·
(319) 356-2075 Dr. Umang Swami, MDIowa City, IA · $5,854 in drug and device payments (2025) · Telehealth ·
(319) 384-6180 Dr. Umar Farooq, MDIowa City, IA · $10,975 in drug and device payments (2025) ·
(319) 356-4422 Dr. Usha Perepu, MBBSIowa City, IA · $47,678 in drug and device payments (2025) ·
(319) 356-2148 Dr. William Zeitler, M.D.Iowa City, IA · $68 in drug and device payments (2025) · Telehealth ·
(319) 356-2148 Dr. Yuya Hagiwara, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 384-8283 Dr. Rodrigo Erlich, M.D.Mason City, IA · No drug or device payments recorded (2025) ·
(641) 428-7000 Dr. Kiron Viswambharan Nair, MDOskaloosa, IA · $966 in drug and device payments (2025) ·
(641) 672-3236 Dr. Chandana Javvaji, M.D.Sioux City, IA · $330 in drug and device payments (2025) · Telehealth ·
(712) 252-0088 Dr. Donald Wender, M.D.Sioux City, IA · $2,300 in drug and device payments (2025) · Telehealth ·
(712) 252-0088 Dr. John Michalak, M.D.Sioux City, IA · No drug or device payments recorded (2025) ·
(712) 252-0088 Dr. Radha Rao, M.D.Sioux City, IA · $160 in drug and device payments (2025) · Telehealth ·
(712) 252-0088 Dr. Stephen Kahanic, MDSioux City, IA · No drug or device payments recorded (2025) ·
(712) 252-0088 Dr. Glenn Preston, M.D.Spencer, IA · $175 in drug and device payments (2025) · Telehealth ·
(712) 264-6550 Dr. Hussain Naseri, M.D.Waterloo, IA · $43 in drug and device payments (2025) ·
(319) 272-2070 Dr. Jasjeet Sangha, MDWaterloo, IA · No drug or device payments recorded (2025) ·
(319) 233-2701 Dr. Mukund Nadipuram, MDWaterloo, IA · No drug or device payments recorded (2025) ·
(319) 272-2070 Dr. Maroun El-khoury, MDWest Burlington, IA · No drug or device payments recorded (2025) ·
(319) 753-1220 Conditions Hematology & Oncology providers in Iowa commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Iowa?There are 88 Hematology & Oncology providers with active NPI records practicing in Iowa, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in Iowa offer telehealth?Yes. 22 of the 88 Hematology & Oncology providers in Iowa (about 25%) report offering telehealth services in CMS data.
Which cities in Iowa have the most Hematology & Oncology providers?Iowa City (40), Cedar Rapids (8), Ames (7) have the highest concentration of Hematology & Oncology providers in Iowa.
How many Hematology & Oncology providers in Iowa received drug or device company payments?39 of 88 Hematology & Oncology providers in Iowa (44%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Hematology & Oncology providers in Iowa treat?Hematology & Oncology providers commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Hematologists and Oncologists in Iowa work in independent practices or large health systems?Among 44 Hematologists and Oncologists in Iowa enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 2% through a mid-size group of 10 to 99, and 95% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in Iowa work at?According to CMS facility affiliation records, the Iowa hospitals where the most Hematologists and Oncologists hold privileges are University of Iowa Hospital & Clinics in Iowa City; University of Iowa Health Care Medical Center Down in Iowa City; Mary Greeley Medical Center in Ames.
Related reading on HealthcareDiscovery.AI
Hematology & Oncology in all 50 states Search all 88 in the directory Ask Zach for help choosing
Related
