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Peptic Ulcer

A peptic ulcer is a sore in the lining of the stomach or duodenum, the first part of the small intestine.

Programs + Services


General Gastroenterology Program

Tufts MC gastroenterologists and hepatologists are highly experienced in diagnosing and treating a wide range of gastrointestinal and liver conditions.
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Doctors + Care Team

Joel V. Weinstock, MD
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Joel V. Weinstock, MD

Title(s): Chief, Division of Gastroenterology/Hepatology; Professor, Tufts University School of Medicine
Department(s): Medicine, Gastroenterology
Appt. Phone: 617-636-5883
Fax #: 617-636-4505

Gastroenterology, inflammatory bowel diseases, mucosal immunity, general gastroenterology, GI bleeding, endoscopy

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Harmony Allison, MD
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Harmony Allison, MD

Title(s): Gastroenterologist; Clinical and Research Instructor, Tufts University School of Medicine
Department(s): Medicine, Gastroenterology
Appt. Phone: 617-636-5883
Fax #: 617-636-1480

Gastrointestinal motility, inflammatory bowel disease, general GI and endoscopy, diarrhea, constipation, celiac sprue and limited LFT abnormalities

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Jatin Roper, MD
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Jatin Roper, MD

Title(s): Director, Center for Hereditary Gastrointestinal Cancer; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, Gastroenterology, Molecular Oncology Research Institute
Appt. Phone: 617-636-5883
Fax #: 617-636-4505

Familial colorectal cancer, Lynch syndrome, familial adenomatous polyposis, Cowden’s syndrome, general gastroenterology, gastric cancer screening, gastrointestinal endoscopy and colonoscopy

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Kathleen Viveiros, MD
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Kathleen Viveiros, MD

Title(s): Director, Gastroenterology/Hepatology Fellowship Program
Department(s): Medicine, Gastroenterology
Appt. Phone: 617-636-5883
Fax #: 617-636-4207

Hepatology, pre- and postliver transplant, hepatitis, chronic liver disease, general gastroenterology

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Lori B. Olans, MD, MPH
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Lori B. Olans, MD, MPH

Title(s): Gastroenterologist; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, Gastroenterology
Appt. Phone: 617-636-5883
Fax #: 617-636-8615

General gastroenterology

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Moises Guelrud, MD
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Moises Guelrud, MD

Title(s): Gastroenterologist; Professor, Tufts University School of Medicine
Department(s): Medicine, Gastroenterology
Appt. Phone: 617-636-5883
Fax #: 617-636-4505

Gastroenterology, sphincter of Oddi manometry in children and adults, ERCP (diagnosis and therapeutic) in children and adults, ECRP (diagnosis and therapeutic) in children and adults, endoscopic diagnosis and treatment of Barrett's esophagus, magnification endoscopy and chromoendoscopy, pancreatic diseases

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Tufts Medical Center and Floating Hospital for Children have high quality care.

Quality + Safety

A world-class teaching hospital shouldn’t make you feel small.  At Tufts Medical Center the patient is at the center of everything that we do.  This means we’re committed to providing the highest quality of care in a safe, friendly environment.

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The City of Boston.

200 Years of Caring for the Community

Tufts Medical Center has been taking care of Boston and the surrounding community for more than 200 years.

Read about our enduring history