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Gastroenterologists in Connecticut

Data updated monthly · Last refresh October 2026

341 Gastroenterology providers practice in Connecticut, including 153 (45%) offering telehealth. The largest concentration is in New Haven. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

341providers
153telehealth
New Haventop city

Gastroenterology by city in Connecticut

Choose a city to see providers there.

Gastroenterology in New Haven76 providers
Gastroenterology in Farmington21 providers
Gastroenterology in Hamden19 providers
Gastroenterology in Hartford19 providers
Gastroenterology in Danbury17 providers
Gastroenterology in Norwalk13 providers
Gastroenterology in Middletown11 providers
Gastroenterology in Waterbury11 providers
Gastroenterology in Stamford10 providers
Gastroenterology in Trumbull9 providers
Gastroenterology in Meriden9 providers
Gastroenterology in Torrington9 providers
Gastroenterology in Greenwich9 providers
Gastroenterology in New Britain7 providers
Gastroenterology in Avon7 providers
Gastroenterology in Bristol7 providers
Gastroenterology in West Haven7 providers
Gastroenterology in Branford6 providers
Gastroenterology in Norwich6 providers
Gastroenterology in New London5 providers
Gastroenterology in Glastonbury5 providers
Gastroenterology in Bloomfield5 providers
Gastroenterology in Manchester5 providers
Gastroenterology in Ansonia5 providers

Gastroenterology providers in Connecticut

Listed by city, largest first. 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. Steven Gorelick, M.D.
Danbury, CT · $547 in drug and device payments (2025) · Telehealth · (203) 739-7038
Dr. Tyson Collazo, M.D.
Danbury, CT · $398 in drug and device payments (2025) · Telehealth · (203) 739-7038
Dr. Gerald Fette, M.D.
Derby, CT · No drug or device payments recorded (2025) · (203) 732-1330
Dr. Matthew Cohen, MD
Derby, CT · $21 in drug and device payments (2025) · (203) 732-1330
Dr. Joseph Ianello, MD
Enfield, CT · $2,784 in drug and device payments (2025) · Telehealth · (860) 253-6867
Dr. Louis Competiello, MD
Enfield, CT · No drug or device payments recorded (2025) · (860) 763-3434
Dr. Nicholas Lillo, M.D.
Fairfield, CT · $2,614 in drug and device payments (2025) · Telehealth · (203) 374-4966
Dr. Bashar Sharma, M.D.
Farmington, CT · No drug or device payments recorded (2025) · (860) 679-3238
Dr. Brandon Shore, MD
Farmington, CT · $128 in drug and device payments (2025) · (860) 409-4567
Dr. Brisas Truncali, M.D.
Farmington, CT · $2,140 in drug and device payments (2025) · Telehealth · (860) 409-4567
Dr. Emily Weng, DO
Farmington, CT · $2,294 in drug and device payments (2025) · Telehealth · (860) 679-3158
Dr. George Wu, MD
Farmington, CT · No drug or device payments recorded (2025) · (860) 679-3238
Dr. Haleh Vaziri, MD
Farmington, CT · $28 in drug and device payments (2025) · (860) 679-3238
Dr. Houman Rezaizadeh, M.D.
Farmington, CT · $27,467 in drug and device payments (2025) · (860) 679-3238
Dr. James Freston, M.D.
Farmington, CT · $91,823 in drug and device payments (2025) · (860) 679-3238
Dr. Jeffrey Weiser, MD
Farmington, CT · $1,161 in drug and device payments (2025) · Telehealth · (860) 409-4567
Dr. Joel Levine, M.D.
Farmington, CT · No drug or device payments recorded (2025) · (860) 679-3238
Dr. John Birk, M.D.
Farmington, CT · No drug or device payments recorded (2025) · (860) 679-3238
Dr. Krzysztof Kopec, MD
Farmington, CT · $1,203 in drug and device payments (2025) · (860) 409-4567
Dr. Lucy Shamberg, M.D.
Farmington, CT · No drug or device payments recorded (2025) · Telehealth · (860) 679-3878
Dr. Michelle Smedley, MD
Farmington, CT · $1,922 in drug and device payments (2025) · Telehealth · (860) 409-4567
Dr. Murali Dharan, M.D.
Farmington, CT · $44 in drug and device payments (2025) · Telehealth · (860) 679-3238
Dr. Neil Parikh, M.D.
Farmington, CT · $30,608 in drug and device payments (2025) · Telehealth · (860) 409-4567
Dr. Rishabh Sachdev, M.D.
Farmington, CT · $29 in drug and device payments (2025) · (860) 679-3238
Dr. Roopjeet Bath, M.B.B.S
Farmington, CT · No drug or device payments recorded (2025) · (860) 679-3238
Dr. Steven Goldenberg, MD
Farmington, CT · $16 in drug and device payments (2025) · (860) 679-3238
Dr. Suzanne Rose, MD
Farmington, CT · No drug or device payments recorded (2025) · (860) 679-3238
Dr. Thomas Feldman, MD
Farmington, CT · No drug or device payments recorded (2025) · (860) 409-4567
Dr. Donna Cipolla, MD
Glastonbury, CT · $116 in drug and device payments (2025) · Telehealth · (860) 657-1920
Dr. Jeffrey Gelwan, MD
Glastonbury, CT · No drug or device payments recorded (2025) · (860) 657-1920
Dr. Jenna Koliani-pace, M.D.
Glastonbury, CT · $2,232 in drug and device payments (2025) · Telehealth · (860) 657-1920
Dr. Joseph Cappa, MD
Glastonbury, CT · $35,371 in drug and device payments (2025) · Telehealth · (860) 657-1920
Dr. Vaibhav Mehendiratta, MD
Glastonbury, CT · $807 in drug and device payments (2025) · Telehealth · (860) 657-1920
Dr. Alan Selkin, M.D.
Greenwich, CT · $1,319 in drug and device payments (2025) · Telehealth · (203) 661-2277
Dr. Cheng-hung Tai
Greenwich, 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, MD
Greenwich, 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, MD
Greenwich, 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
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

Conditions Gastroenterology providers in 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 Connecticut?

There are 341 Gastroenterology providers with active NPI records practicing in Connecticut, according to federal NPPES data refreshed monthly.

Do Gastroenterology providers in Connecticut offer telehealth?

Yes. 153 of the 341 Gastroenterology providers in Connecticut (about 45%) report offering telehealth services in CMS data.

Which cities in Connecticut have the most Gastroenterology providers?

New Haven (76), Farmington (21), Hamden (19) have the highest concentration of Gastroenterology providers in Connecticut.

How many Gastroenterology providers in Connecticut received drug or device company payments?

216 of 341 Gastroenterology providers in Connecticut (63%) 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 Connecticut treat?

Gastroenterology providers 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 counts and profiles 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.

Do most Gastroenterologists in Connecticut work in independent practices or large health systems?

Among 239 Gastroenterologists in Connecticut enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 5% through a mid-size group of 10 to 99, and 90% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Gastroenterologists in Connecticut work at?

According to CMS facility affiliation records, the Connecticut hospitals where the most Gastroenterologists hold privileges are Yale-New Haven Hospital in New Haven; Bridgeport Hospital in Bridgeport; Hartford Hospital in Hartford.

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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. Are you a Gastroenterology in Connecticut? Get featured.