Gastroenterology in Madison, Wisconsin
Data updated monthly · Last refresh September 2026
62 Gastroenterology providers practice in Madison, and 26% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Gastroenterology providers in Madison
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. Patrick Pfau, MDMadison, WI · $242 in drug and device payments (2025) · Telehealth ·
(608) 263-8094 Dr. Paul Estrada, M.D.Madison, WI · $51 in drug and device payments (2025) · Telehealth ·
(210) 215-8676 Dr. Paulina Phillips, M.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-6400 Dr. Praveena Narayanan, MDMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-1384 Dr. Rodrigo Castillo, MDMadison, WI · $125 in drug and device payments (2025) · Telehealth ·
(608) 890-5090 Dr. Sigurdur Einarsson, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 260-2900 Dr. Siobhan Byrne, M.D.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 287-2680 Dr. Sumona Saha, M.D.Madison, WI · $2,630 in drug and device payments (2025) · Telehealth ·
(608) 263-8094 Dr. Susan Lepinski, MDMadison, WI · $189 in drug and device payments (2025) ·
(608) 417-5454 Dr. Terrence Frick, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 288-8719 Dr. Trevor Schell, MDMadison, WI · No drug or device payments recorded (2025) ·
(608) 890-5090 Dr. Vinay Patel, M.D.Madison, WI · No drug or device payments recorded (2025) ·
(608) 890-5010 Conditions Gastroenterology providers in Madison, 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 Madison, Wisconsin?There are 62 Gastroenterology providers with active NPI records practicing in Madison, according to federal NPPES data refreshed monthly.
How many Gastroenterology providers in Madison received drug or device company payments?16 of 62 (26%) 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 Madison treat?Gastroenterology providers in Madison 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 Madison Gastroenterology across Wisconsin
