Gastroenterology in Norwalk, Connecticut
Data updated monthly · Last refresh September 2026
13 Gastroenterology providers practice in Norwalk. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Norwalk
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. Ajay Singh, M.D.Norwalk, CT · No drug or device payments recorded (2025) ·
(507) 284-2511 Dr. Alexander Abadir, MDNorwalk, CT · $449 in drug and device payments (2025) · Telehealth ·
(203) 852-2000 Dr. Brian Schwender, M.D.Norwalk, CT · No drug or device payments recorded (2025) ·
(203) 845-4800 Dr. Carlos Figueredo Alcala, MDNorwalk, CT · $215 in drug and device payments (2025) ·
(203) 852-2000 Dr. Charles Adelmann, M.D.Norwalk, CT · $1,116 in drug and device payments (2025) ·
(203) 838-4000 Dr. Frank Sammarco, M.D.Norwalk, CT · $789 in drug and device payments (2025) ·
(203) 838-4000 Dr. Harvey Riback, M.D.Norwalk, CT · No drug or device payments recorded (2025) ·
(203) 838-4000 Dr. Kirk Zachary, M.D.Norwalk, CT · No drug or device payments recorded (2025) ·
(203) 845-4835 Dr. Rakhee Mangla, M.D.Norwalk, CT · $618 in drug and device payments (2025) · Telehealth ·
(203) 582-3455 Dr. Reid Hopkins, M.D.Norwalk, CT · $705 in drug and device payments (2025) · Telehealth ·
(203) 852-2278 Dr. Subin Chirayath, DONorwalk, CT · $12,756 in drug and device payments (2025) ·
(203) 852-2000 Dr. Triston Berger, MDNorwalk, CT · No drug or device payments recorded (2025) ·
(203) 852-2025 Conditions Gastroenterology providers in Norwalk, 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 Norwalk, Connecticut?There are 13 Gastroenterology providers with active NPI records practicing in Norwalk, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in Norwalk treat?Gastroenterology providers in Norwalk 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 Norwalk Gastroenterology across Connecticut