Gastroenterology in Iowa City, Iowa
Data updated monthly · Last refresh September 2026
45 Gastroenterology providers practice in Iowa City, and 38% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Gastroenterology 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. Abdullah Abbasi, MDIowa City, IA · $2,342 in drug and device payments (2025) ·
(319) 384-6580 Dr. Adrian Holm, D.O.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. Amer El Sayed, M.DIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. Anjana Aggarwal, MDIowa City, IA · $24 in drug and device payments (2025) ·
(319) 356-4901 Dr. Avraham Levin, M.D.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. Caryn Berkowitz, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. David Elliott, MD PHDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-4901 Dr. Dean Abramson, MDIowa City, IA · $14 in drug and device payments (2025) ·
(319) 356-2132 Dr. Divya Ashat, M.D.Iowa City, IA · $117 in drug and device payments (2025) · Telehealth ·
(319) 384-5492 Dr. Elio Castro Filho, MD, MSC, PHDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2132 Dr. Evelyn Simabuguro Chinem, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. F Field, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2579 Dr. Frances Meyer, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-3127 Dr. Frederick Johlin, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. Gopala Koneru, M.D.Iowa City, IA · $577 in drug and device payments (2025) ·
(319) 356-2132 Dr. Henning Gerke, MDIowa City, IA · $116 in drug and device payments (2025) ·
(319) 356-4901 Dr. Jeffrey Dunkelberg, MDIowa City, IA · $25 in drug and device payments (2025) ·
(319) 356-2132 Dr. Jeffrey Goldman, MDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-8133 Dr. Joseph Truszkowski, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 337-5997 Dr. Konrad Schulze, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2793 Dr. Kyle Brown, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. Maen Masadeh, MBBSIowa City, IA · $7,925 in drug and device payments (2025) ·
(319) 384-9668 Dr. Marta Tejedor Bravo, PHD, MBBSIowa City, IA · $114 in drug and device payments (2025) ·
(319) 467-8100 Dr. Masaaki Kurahashi, MDIowa City, IA · $356 in drug and device payments (2025) · Telehealth ·
(319) 356-3127 Dr. Mirac Ince, M.D.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. Mohamad Mokadem, M.D.Iowa City, IA · $168 in drug and device payments (2025) ·
(319) 356-4901 Dr. Munish Ashat, M.D.Iowa City, IA · $300 in drug and device payments (2025) ·
(319) 356-7209 Dr. Nancy Gupta, M.D.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 467-2000 Dr. Naurang Agrawal, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2131 Dr. Ngozi Nwude, MBBSIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-4060 Dr. Ottar Bergmann, M.D.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-1616 Dr. Rami El Abiad, M.D.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-4901 Dr. Rintaro Hashimoto, MD PHDIowa City, IA · $146 in drug and device payments (2025) · Telehealth ·
(319) 356-1616 Dr. Robert Silber, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 366-8695 Dr. Roger Ewing, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 337-5997 Dr. Rohit Nathani, MBBSIowa City, IA · $1,146 in drug and device payments (2025) ·
(319) 356-4901 Dr. Sara Naimimohasses, MB BCHIowa City, IA · $84 in drug and device payments (2025) ·
(319) 356-4060 Dr. Serhan Karvar, MDIowa City, IA · $51 in drug and device payments (2025) · Telehealth ·
(319) 356-2132 Dr. Steven Polyak, MDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-4901 Dr. Swathi Rajagopal, M.B.B.S.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 354-4901 Dr. Taimur Muzammil, MDIowa City, IA · $127 in drug and device payments (2025) ·
(319) 356-2132 Dr. Thomas Shreves, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 337-5997 Dr. William Silverman, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 384-9995 Dr. Yehudith Assouline-dayan, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 353-6399 Dr. Ye-jin Lee, MDIowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-4901 Conditions Gastroenterology providers in Iowa City, Iowa commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Gastroenterology providers. Individual practices vary, so confirm with the provider before booking.
- Acid reflux
- IBS
- Crohn disease
- Ulcerative colitis
- Celiac disease
- Colon cancer screening
Common questions
How many Gastroenterology providers are in Iowa City, Iowa?There are 45 Gastroenterology providers with active NPI records practicing in Iowa City, according to federal NPPES data refreshed monthly.
How many Gastroenterology providers in Iowa City received drug or device company payments?17 of 45 (38%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Gastroenterology providers in Iowa City treat?Gastroenterology providers in Iowa City commonly treat acid reflux, IBS, Crohn disease, ulcerative colitis, celiac disease and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Gastroenterology across Iowa