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Gastroenterology in Hamden, Connecticut

Data updated monthly · Last refresh September 2026

19 Gastroenterology providers practice in Hamden. Listings are drawn from federal public records and are not endorsements.

Gastroenterology providers in Hamden

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. Anamika Reed, M.D.
Hamden, CT · No drug or device payments recorded (2025) · Telehealth · (203) 281-4463
Dr. Benigno Varela
Hamden, CT · $11,745 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. Daniel Helburn, MD
Hamden, CT · $656 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. David Hass, M.D.
Hamden, CT · $7,429 in drug and device payments (2025) · Telehealth · (203) 281-4469
Dr. Dean Chang, MD
Hamden, CT · $4,070 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. Douglas Grunwald, MD
Hamden, CT · $1,657 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. Francis Chan, MD
Hamden, CT · $664 in drug and device payments (2025) · (203) 281-4463
Dr. Harold Schwartz, MD
Hamden, CT · $160 in drug and device payments (2025) · (203) 281-4463
Dr. Jeffrey Kwan, M.D.
Hamden, CT · $1,470 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. Jennifer Thompson, MD
Hamden, CT · No drug or device payments recorded (2025) · (203) 281-4463
Dr. Jeremy Matloff, M.D.
Hamden, CT · $755 in drug and device payments (2025) · (203) 281-4463
Dr. Joseph Soucy
Hamden, CT · $1,823 in drug and device payments (2025) · (203) 281-4463
Dr. Karl Langberg, M.D.
Hamden, CT · $6,613 in drug and device payments (2025) · (203) 281-4463
Dr. Mark Taylor, MD
Hamden, CT · $1,805 in drug and device payments (2025) · (203) 281-4463
Dr. Paul Feuerstadt, M.D.
Hamden, CT · $269,905 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. Ramnath Hebbar, MD
Hamden, CT · $1,133 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. Renuka Umashanker, MD
Hamden, CT · $63,607 in drug and device payments (2025) · Telehealth · (203) 281-4463
Dr. Ronald Vender, MD
Hamden, CT · $19 in drug and device payments (2025) · (203) 281-4463
Dr. Tai Hang Ho, M.D.
Hamden, CT · $2,380 in drug and device payments (2025) · (203) 281-4463

Conditions Gastroenterology providers in Hamden, 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.

Common questions

How many Gastroenterology providers are in Hamden, Connecticut?

There are 19 Gastroenterology providers with active NPI records practicing in Hamden, according to federal NPPES data refreshed monthly.

What conditions do Gastroenterology providers in Hamden treat?

Gastroenterology providers in Hamden 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 Hamden Gastroenterology across Connecticut

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.