Gastroenterology in Greenwich, Connecticut
Data updated monthly · Last refresh September 2026
9 Gastroenterology providers practice in Greenwich. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Greenwich
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. Alan Selkin, M.D.Greenwich, CT · $1,319 in drug and device payments (2025) · Telehealth ·
(203) 661-2277 Dr. Cheng-hung TaiGreenwich, CT · $432 in drug and device payments (2025) · Telehealth ·
(917) 497-7661 Dr. Clifford Berken, M.D.Greenwich, CT · No drug or device payments recorded (2025) ·
(203) 863-2900 Dr. Felice Zwas, M.D.Greenwich, CT · $404 in drug and device payments (2025) · Telehealth ·
(203) 863-2900 Dr. Jennifer Barro, MDGreenwich, CT · No drug or device payments recorded (2025) ·
(203) 863-2900 Dr. Neal Schamberg, M.D.Greenwich, CT · $2,897 in drug and device payments (2025) · Telehealth ·
(203) 863-2900 Dr. Neda Khaghan, M.D.Greenwich, CT · $715 in drug and device payments (2025) · Telehealth ·
(203) 863-2900 Dr. Nelson Bonheim, MDGreenwich, CT · No drug or device payments recorded (2025) ·
(203) 863-2900 Dr. Scott Kramer, M.D.Greenwich, CT · $311 in drug and device payments (2025) · Telehealth ·
(203) 863-2900 Conditions Gastroenterology providers in Greenwich, Connecticut 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 Greenwich, Connecticut?There are 9 Gastroenterology providers with active NPI records practicing in Greenwich, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in Greenwich treat?Gastroenterology providers in Greenwich 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 Greenwich Gastroenterology across Connecticut
