Mark J Silversmith,

Chief of Gastroenterology
Photo of Mark J Silversmith

Primary Location



board certifications

American Board of Internal Medicine-Gastroenterology
American Board of Internal Medicine

medical school

Mount Sinai School of Medicine


Montefiore Medical Center


State University of New York (SUNY) Stony Brook University School of Medicine

clinical interests

Interventional endoscopy, including ablation of Barrett’s esophagus, ERCP, and stenting in the gastrointestinal (GI) tract; capsule endoscopic evaluation of the small bowel, mucosal resection of large polyps, and treatment of inflammatory bowel disease

professional memberships

American Society of Gastrointestinal Endoscopy, American College of Gastroenterology


Disease with no non-symptoms: Meet a face behind Barrett’s Esophagus

2023 Top Doctors—New Hampshire Magazine
2022 Top Doctors—New Hampshire Magazine
2021 Top Doctors—New Hampshire Magazine
2020 Top Doctors—New Hampshire Magazine
2019 Top Doctors—New Hampshire Magazine
2018 Top Doctors—New Hampshire Magazine