Irritable Bowel Syndrome

Irritable bowel syndome (IBS) affects the large intestine and causes abdominal cramping, bloating and a change in bowel habits.

Programs + Services


Clinical Nutrition

The Division of Clinical Nutrition at Tufts Medical Center provides inpatient and outpatient nutritional services.
More information about programs and services


General Gastroenterology Program

Tufts MC’s department of gastroenterology and hepatology is highly experienced in diagnosing and treating a wide range of gastrointestinal and liver conditions.
More information about programs and services

Doctors + Care Team

Edward Saltzman, MD

Edward Saltzman, MD

Title(s): Chief, Division of Clinical Nutrition; Director, Adult Nutrition Support Services; Associate Professor, Tufts University School of Medicine; Dean for Education, Friedman School of Nutrition Science and Policy, Tufts University
Department(s): Medicine, Clinical Nutrition
Appt. Phone:
Fax #:

Enteral and parenteral nutrition

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picture of Andrew S. Greenberg, MD

Andrew S. Greenberg, MD

Accepting New Patients

Title(s): Endocrinologist; Dr. Robert and Veronica Atkins Professor in Metabolism and Nutrition, Tufts University School of Medicine
Department(s): Medicine, Clinical Nutrition, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-556-3144
Fax #: 617-556-3224

Obesity, lipid disorders, diabetes, general endocrinology

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Harmony Allison, MD
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Harmony Allison, MD

Accepting New Patients

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 disease and limited liver function test abnormalities

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Joel B. Mason, MD

Joel B. Mason, MD

Accepting New Patients

Title(s): Gastroenterologist; Professor, Tufts University Schools of Medicine and Friedman School of Nutritional Science and Policy; Senior Scientist and Director, Vitamins and Carcinogenesis Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University
Department(s): Medicine, Clinical Nutrition, Gastroenterology
Appt. Phone: 617-636-5883
Fax #: 617-636-1480

Malabsorption and unintentional weight loss, Inflammatory bowel disease, nutritional aspects of gastrointestinal disease, home nutritional therapy, enteral and parenteral nutrition

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Joel V. Weinstock, MD

Joel V. Weinstock, MD

Accepting New Patients

Title(s): Gastroenterologist; 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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