Gastroenterologists in Rhode Island
Data updated monthly · Last refresh October 2026
94 Gastroenterology providers practice in Rhode Island, including 16 (17%) offering telehealth. The largest concentration is in Providence. 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.
94providers
16telehealth
Providencetop city
Gastroenterology by city in Rhode Island
Choose a city to see providers there.
Where Gastroenterologists in Rhode Island practice
From CMS Medicare enrollment records covering 66 of the 94 providers listed here (70%). Providers who do not bill Medicare are not included in these figures.
12%solo or small practice (under 10 clinicians)
50%mid-size group (10 to 99)
38%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Gastroenterologists | All clinicians in group | Main city |
| University Gastroenterology, LLC | 36 | 99 | Providence |
| Lifespan Physician Group Inc. | 14 | 1,151 | Riverside |
| Affinity Physicians LLC. | 9 | 723 | Warwick |
| Gastroenterology Associates Inc. | 9 | 14 | Providence |
| Brown Medicine | 8 | 220 | Riverside |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Gastroenterologists affiliated |
| The Miriam Hospital | Providence | Nonprofit | 4 of 5 | 52 |
| Rhode Island Hospital | Providence | Nonprofit | 4 of 5 | 32 |
| Kent County Memorial Hospital | Warwick | For-profit | 3 of 5 | 21 |
| Our Lady of Fatima Hospital | North Providence | For-profit | 3 of 5 | 11 |
| Roger Williams Medical Center | Providence | For-profit | 3 of 5 | 10 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Gastroenterology providers in Rhode Island
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. Colin Woodard, DOCranston, RI · $1,632 in drug and device payments (2025) ·
(401) 943-1300 Dr. George Powers, M.D.Cranston, RI · No drug or device payments recorded (2025) ·
(401) 943-1300 Dr. Morris Elevado, M.D.Cranston, RI · $16,394 in drug and device payments (2025) ·
(401) 943-1300 Dr. Paul Roderick, M.D.Cranston, RI · $4,769 in drug and device payments (2025) ·
(401) 943-1300 Dr. Philip Opalenski, MDCranston, RI · No drug or device payments recorded (2025) ·
(401) 943-7222 Dr. Richard Gilbert, M.D.Cranston, RI · No drug or device payments recorded (2025) ·
(401) 808-6996 Dr. Robert Bierwirth, M.D.Cranston, RI · $189,564 in drug and device payments (2025) ·
(401) 943-1300 Dr. Robert Wolfgang, D.O.Cranston, RI · $1,088 in drug and device payments (2025) ·
(401) 943-1300 Dr. Thomas Mcgreen, M.D.Cranston, RI · $1,265 in drug and device payments (2025) ·
(401) 943-1300 Dr. Angela Fishman, D.O.East Greenwich, RI · $2,039 in drug and device payments (2025) ·
(401) 886-4040 Dr. Eric Berthiaume, M.D.East Greenwich, RI · $846 in drug and device payments (2025) ·
(401) 886-4040 Dr. John Cribb, M.D.East Greenwich, RI · $1,511 in drug and device payments (2025) ·
(401) 886-4040 Dr. Pedro Barros, M.D.East Greenwich, RI · $950 in drug and device payments (2025) ·
(401) 886-4040 Dr. Philip Trupiano, DOEast Greenwich, RI · $1,900 in drug and device payments (2025) ·
(401) 884-4040 Dr. Banreet DhindsaEast Providence, RI · $299 in drug and device payments (2025) ·
(401) 606-4260 Dr. Breton Roussel, M.D.East Providence, RI · $39,661 in drug and device payments (2025) · Telehealth ·
(401) 606-4230 Dr. Li Wang, M.D.East Providence, RI · No drug or device payments recorded (2025) ·
(401) 444-2701 Dr. May Min, M.D.East Providence, RI · No drug or device payments recorded (2025) ·
(401) 606-4260 Dr. Vincent Vacca, MDJohnston, RI · No drug or device payments recorded (2025) ·
(401) 383-0400 Dr. Joseph Pianka, MDPortsmouth, RI · $262 in drug and device payments (2025) ·
(401) 293-5600 Dr. Pranith Perera, M.D.Portsmouth, RI · $1,291 in drug and device payments (2025) ·
(401) 293-5600 Dr. Ravi Nadimpalli, M.D.Portsmouth, RI · $247 in drug and device payments (2025) ·
(401) 293-5600 Dr. Alan Epstein, M.D.Providence, RI · No drug or device payments recorded (2025) ·
(401) 456-2309 Dr. Alexander Harmatz, M.D.Providence, RI · $769 in drug and device payments (2025) · Telehealth ·
(401) 456-6510 Dr. Alyn Adrain, M.D.Providence, RI · $17 in drug and device payments (2025) ·
(401) 274-4800 Dr. Amanda Pressman, M.D.Providence, RI · $115 in drug and device payments (2025) · Telehealth ·
(401) 793-5700 Dr. Autumn Hines, DOProvidence, RI · No drug or device payments recorded (2025) ·
(401) 274-1122 Dr. Bibek Saha, MDProvidence, RI · $100 in drug and device payments (2025) ·
(401) 444-4000 Dr. Brett Kalmowitz, MDProvidence, RI · $2,252 in drug and device payments (2025) · Telehealth ·
(401) 274-4800 Dr. Christy Dibble, MDProvidence, RI · No drug or device payments recorded (2025) ·
(401) 453-7953 Dr. Daniel Greenwald, M.D.Providence, RI · $2,973 in drug and device payments (2025) ·
(401) 274-4800 Dr. David Schreiber, M.D.Providence, RI · $17 in drug and device payments (2025) ·
(401) 274-4800 Dr. Diana Wu, MDProvidence, RI · No drug or device payments recorded (2025) · Telehealth ·
(617) 756-5711 Dr. Edward Pensa, MDProvidence, RI · $2,575 in drug and device payments (2025) ·
(401) 421-8800 Dr. Emily Romanoff, MDProvidence, RI · $129 in drug and device payments (2025) ·
(401) 453-7953 Dr. Eric Newton, MDProvidence, RI · $2,777 in drug and device payments (2025) ·
(401) 421-8800 Dr. Evan Cohen, M.D.Providence, RI · No drug or device payments recorded (2025) ·
(401) 274-4800 Dr. Herbert Rakatansky, M.D.Providence, RI · No drug or device payments recorded (2025) ·
(401) 274-4800 Dr. Jason Ferreira, MDProvidence, RI · $102 in drug and device payments (2025) · Telehealth ·
(401) 421-6306 Dr. Jeffrey Nadelson, M.D.Providence, RI · $581 in drug and device payments (2025) ·
(978) 289-0745 Dr. Jeremy Spector, M.D.Providence, RI · $133 in drug and device payments (2025) ·
(401) 274-4800 Dr. Joel Spellun, M.D.Providence, RI · No drug or device payments recorded (2025) ·
(401) 421-6306 Dr. Kevin Palumbo, MDProvidence, RI · $1,918 in drug and device payments (2025) · Telehealth ·
(401) 421-8800 Dr. Leslie Cashel, M.D.Providence, RI · No drug or device payments recorded (2025) ·
(401) 421-8800 Dr. Lisa Mueller, MDProvidence, RI · $3,031 in drug and device payments (2025) · Telehealth ·
(401) 421-8800 Dr. Mahmoud Ahmed Rahal, MDProvidence, RI · $3,091 in drug and device payments (2025) · Telehealth ·
(401) 456-2000 Dr. Mariam Fayek, MDProvidence, RI · $540 in drug and device payments (2025) ·
(215) 762-5181 Dr. Martin Ventoso, MDProvidence, RI · $473 in drug and device payments (2025) ·
(401) 444-5034 Dr. Nabil Toubia, M.D.Providence, RI · $3,644 in drug and device payments (2025) · Telehealth ·
(401) 456-6510 Dr. Neil Greenspan, M.D.Providence, RI · $17 in drug and device payments (2025) ·
(401) 274-4800 Conditions Gastroenterology providers in Rhode Island 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 Rhode Island?There are 94 Gastroenterology providers with active NPI records practicing in Rhode Island, according to federal NPPES data refreshed monthly.
Do Gastroenterology providers in Rhode Island offer telehealth?Yes. 16 of the 94 Gastroenterology providers in Rhode Island (about 17%) report offering telehealth services in CMS data.
Which cities in Rhode Island have the most Gastroenterology providers?Providence (43), Riverside (12), Cranston (9) have the highest concentration of Gastroenterology providers in Rhode Island.
How many Gastroenterology providers in Rhode Island received drug or device company payments?65 of 94 Gastroenterology providers in Rhode Island (69%) 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 Rhode Island 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 Rhode Island work in independent practices or large health systems?Among 66 Gastroenterologists in Rhode Island enrolled in Medicare, 12% bill through a solo or small practice with fewer than 10 clinicians, 50% through a mid-size group of 10 to 99, and 38% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Gastroenterologists in Rhode Island work at?According to CMS facility affiliation records, the Rhode Island hospitals where the most Gastroenterologists hold privileges are The Miriam Hospital in Providence; Rhode Island Hospital in Providence; Kent County Memorial Hospital in Warwick.
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