Gastroenterology in Green Bay, Wisconsin
Data updated monthly · Last refresh September 2026
18 Gastroenterology providers practice in Green Bay. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Green Bay
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. Bogdan Cristescu, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-8100 Dr. Chaitanya Pant, M.D.Green Bay, WI · $1,414 in drug and device payments (2025) ·
(920) 496-4700 Dr. David Knuff, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 431-5650 Dr. David Stampfl, MDGreen Bay, WI · $125 in drug and device payments (2025) ·
(920) 431-5650 Dr. John Bosco, M.D.Green Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 288-8100 Dr. Kanwar Arora, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 431-5650 Dr. Kwabena Adu-gyamfi, MDGreen Bay, WI · $1,254 in drug and device payments (2025) ·
(920) 496-4700 Dr. Lauren Johnson, MDGreen Bay, WI · $150 in drug and device payments (2025) ·
(920) 288-8000 Dr. Mark Laukka, MDGreen Bay, WI · $2,116 in drug and device payments (2025) ·
(920) 496-4700 Dr. Matthew Kaspar, MDGreen Bay, WI · $241 in drug and device payments (2025) ·
(920) 431-5650 Dr. Mitchell Manthey, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-8100 Dr. Mohamed Azab, M.DGreen Bay, WI · $1,393 in drug and device payments (2025) ·
(920) 496-4700 Dr. Narayan Amarnani, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 431-5650 Dr. Peter Dzwonkowski, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Peter Stanko, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Roland Christian, MDGreen Bay, WI · $102 in drug and device payments (2025) ·
(920) 496-4700 Dr. Swati Chaudhari, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 431-5650 Dr. Vikas Khullar, M.D.Green Bay, WI · $740 in drug and device payments (2025) ·
(920) 496-4700 Conditions Gastroenterology providers in Green Bay, Wisconsin 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 Green Bay, Wisconsin?There are 18 Gastroenterology providers with active NPI records practicing in Green Bay, according to federal NPPES data refreshed monthly.
What conditions do Gastroenterology providers in Green Bay treat?Gastroenterology providers in Green Bay 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 Green Bay Gastroenterology across Wisconsin