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Clinical Nutrition

Outpatient Services

The Division of Clinical Nutrition at Tufts Medical Center provides a wide variety of outpatient, clinical services to patients with nutritional disorders. These clinics include: 

Frances Stern Nutrition Center

Patients receive outpatient counseling by registered dietitians though the Frances Stern Nutrition Center at locations throughout Tufts Medical Center.

Gastroenterology and Nutrition Clinic

Services for outpatients are provided in the Gastroenterology and Nutrition Clinic.  Directed by Dr. Joel Mason, the GI Nutrition clinic offers outpatient management of malabsorption and maldigestion, home nutrition support, and other nutritional issues related to gastrointestinal disease.  The GI Nutrition clinic is located on the 3rd floor of the Proger building at Tufts Medical Center.  Outpatient visits in the GI Nutrition Clinic may require a referral from your primary care provider.  You should check with your health insurance organization to determine if a referral is needed.

Weight and Wellness Center

In collaboration with the Departments of Surgery and the Division of Endocrinology, Division members are part of Tufts Medical Center’s Weight and Wellness Center, a multidisciplinary team of physicians, nurses, nutritionists and psychologists who provide management of overweight and obesity.

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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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

Nutritional aspects of gastrointestinal disease, home nutritional therapy, enteral and parenteral nutrition, nutrition and cancer prevention

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Richard D. Siegel, MD
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Richard D. Siegel, MD

Accepting New Patients

Title(s): Co-Director, Diabetes and Lipid Center; Endocrinologist; Associate Professor, Tufts University School of Medicine
Department(s): Medicine, Clinical Nutrition, Endocrinology, Diabetes and Metabolism
Appt. Phone: 617-636-5689
Fax #: 617-636-4719

Diabetes, obesity, inpatient and outpatient diabetes, general endocrinology

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To make an appointment or refer a patient, please call: 

Frances Stern Nutrition Center: 617-636-5273

Gastroenterology and Nutrition Clinic: 617-636-5883

Weight and Wellness Center: 617-636-6086