Eosinophilic gastrointentinal disorders

Eosinophilic Gastrointestinal Disorders (EGIDs) are disorders characterized by having above normal amounts of eosinophils, a type of white blood cell, in one or more places of the digestive system.

Programs + Services

Food Allergy Program

The Food Allergy Program at Tufts Medical Center in Boston, MA provides care for adults with known or suspected food allergies and food hypersensitivity.
More information about programs and services

Eosinophilic Esophagitis Program

The doctors in the Eosinophilic Esophagitis (EoE) Program at Tufts Medical Center provide a range of treatment options for EoE in our downtown Boston location.
More information about programs and services

Doctors + Care Team

John L. Ohman, Jr., MD
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John L. Ohman, Jr., MD

Accepting New Patients

Virtual Appointments Available

Title(s): Chief, Division of Allergy; Professor, Tufts University School of Medicine
Department(s): Medicine, Rheumatology, Allergy and Immunology
Appt. Phone: 617-636-5333
Fax #: 617-636-4843

Asthma, hay fever, chronic sinusitis, food allergy, adverse drug reactions, insect sting allergy, occupational allergy/ respiratory disease, atopic eczema, hives/urticaria, adult immunodeficiency, skin testing, pulmonary function testing, allergen challenge

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John Leung, MD
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John Leung, MD

Accepting New Patients

Virtual Appointments Available

Title(s): Director, Center for Food Related Diseases at Tufts Medical Center; Co-Director, Food Allergy Center at Tufts Children's Hospital; Allergist; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, Pediatric Allergy, Gastroenterology, Pediatric Gastroenterology
Appt. Phone: 617-636-5883 (Gastroenterology)
Fax #: 617-636-9292

Allergic rhinitis (seasonal allergy), anaphylaxis, angioedema, asthma, celiac disease, chronic urticarial (hives), drug allergies, eczema, eosinophilic esophagitis/eosinophilic gastrointestinal disorders, food allergy (e.g. peanuts, cow milk, soy, etc.), food intolerance (lactose, fructose, fructan), food protein-induced enterocolitis syndrome (FPIES), immunodeficiency, oral allergy syndrome, pruritus, sinusitis, stinging insect allergy, wheat hypersensitivity

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