Medical Oncology in Iowa City, Iowa
Data updated monthly · Last refresh September 2026
20 Medical Oncology providers practice in Iowa City. Listings are drawn from federal public records and are not endorsements.
Medical Oncology providers in Iowa City
Listed alphabetically. 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. Ali Naderi, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2148 Dr. Edoardo Francini, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 467-8736 Dr. Fernando Maciel Barbosa, MDIowa City, IA · $2,547 in drug and device payments (2025) · Telehealth ·
(319) 356-2353 Dr. Gerald Clamon, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-1932 Dr. Gustavo Colagiovanni Girotto, MDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-2148 Dr. Gustavo Fernandes Godoy Almeida, MDPHDIowa City, IA · $1,650 in drug and device payments (2025) · Telehealth ·
(319) 353-8383 Dr. Ioannis Voutsadakis, MDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-2353 Dr. Joao Paulo Medrado Santos, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2353 Dr. John Rieth, MDIowa City, IA · $2,512 in drug and device payments (2025) · Telehealth ·
(319) 356-3077 Dr. Jun Zhang, M.D., PH.D.Iowa City, IA · $76,055 in drug and device payments (2025) · Telehealth ·
(319) 353-7096 Dr. Margaret Byrne, M.D.Iowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-5346 Dr. Margarida Silverman, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 384-9156 Dr. Mark Burkard, M.D.Iowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-2353 Dr. Naomi Fei, M.D.Iowa City, IA · $175 in drug and device payments (2025) · Telehealth ·
(319) 356-2148 Dr. Roger Gingrich, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-3425 Dr. Saima Sharif, M.D.Iowa City, IA · $122 in drug and device payments (2025) · Telehealth ·
(319) 356-4200 Dr. Shawn Yu, MD, PHDIowa City, IA · $150 in drug and device payments (2025) ·
(319) 356-4422 Dr. Susan Roeder, DOIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2353 Dr. Taher Abu Hejleh, M.B.B.S.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2075 Dr. Vitor Fiorin De Vasconcellos, MDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-4422 Common questions
How many Medical Oncology providers are in Iowa City, Iowa?There are 20 Medical Oncology providers with active NPI records practicing in Iowa City, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records 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.
All specialties in Iowa City Medical Oncology across Iowa
