Looking for a new doctor? Each year, Boston magazine partners with healthcare researcher Castle Connolly Medical Ltd. to create a definitive list of the best doctors in Boston, including hundreds of experts in fields such as dermatology, cardiology, orthopedics, pediatrics and more. Find a doctor near you using our carefully curated list to discover a life-changing (or life-saving) doctor in Boston. Plus, check out Boston magazine’s 2026 Health Experts from our February issue now!


Castle Connolly Top Doctors provides the information used for our Top Doctor listing. The Top Doctor database is updated often and may result in minor discrepancies between our printed list and the current Top Doctor information on castleconnolly.com. The 2026 Boston magazine Top Doctor list is representative of Castle Connolly's Top Doctor database as of September 2025.

Boston Gastroenterology

Looking for an gastroenterologist? Each year, Boston Magazine publishes the definitive list of the best doctors in Boston, including gastroenterologists across the region. Discover a gastroenterologist near you for the care of Crohn’s disease, colon health, and more.

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Vera Denmark, MD

Weston134 South Ave, Weston, MA, 02493617-214-0554

Denmark Digestive Health owner Dr. Vera Denmark brings a wealth of knowledge and expertise to patients in the Boston area. She received her medical...

134 South Ave, Weston, MA, 02493
617-214-0554Schedule an Appointment
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Nitin Aggarwal, MD

Lowell41 Wellman St. #400, Lowell, MA, 01851(978) 459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

41 Wellman St. #400, Lowell, MA, 01851
(978) 459-6737Schedule an Appointment
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Jaclyn Tuck, MD

Andover300 Federal St #103, Andover, MA, 01810978-459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

300 Federal St #103, Andover, MA, 01810
978-459-6737Schedule an Appointment
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Lynne B. Ahn, MD

Wellesley70 Hastings Street, Wellesley, MA, 02481781-237-1600

Led by Dr. Lynne Ahn, Ahn Point Wellness is a unique medical practice specializing in optimizing your health. Combining her expertise in integrative gastroenterology...

70 Hastings Street, Wellesley, MA, 02481
781-237-1600
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Franklin Marinelli

Lowell41 Wellman St. #400, Lowell, MA, 01851(978) 459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

41 Wellman St. #400, Lowell, MA, 01851
(978) 459-6737Schedule an Appointment
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Erik Holzwanger, MD

Lowell41 Wellman St, Suite 400, Lowell, MA, 01851978-459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

41 Wellman St, Suite 400, Lowell, MA, 01851
978-459-6737Schedule an Appointment
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James L. Connolly, MD

Lowell41 Wellman St. #400, Lowell, MA, 01851(978) 459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

41 Wellman St. #400, Lowell, MA, 01851
(978) 459-6737Schedule an Appointment
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Jacqueline N. Chu, MD

Lowell41 Wellman St. #400, Lowell, MA, 01851(978) 459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

41 Wellman St. #400, Lowell, MA, 01851
(978) 459-6737Schedule an Appointment
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Richard Tilson, MD

Lowell41 Wellman St. #400, Lowell, MA, 01851(978) 459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

41 Wellman St. #400, Lowell, MA, 01851
(978) 459-6737Schedule an Appointment
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Melanie Kappadakunnel, DO

Lowell41 Wellman St. #400, Lowell, MA, 01851(978) 459-6737

Our board-certified gastroenterologists at Integrated Gastroenterology Consultants come from world-class institutions and are experienced in treating all gastrointestinal disorders, including colon cancer screening, reflux,...

41 Wellman St. #400, Lowell, MA, 01851
(978) 459-6737Schedule an Appointment
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