John Leung, MD, AGAF, FACAAI is the only US physician dual board certified in Allergy/Immunology and Gastroenterology. He attended medical school at University of Michigan Medical School and completed his internal medicine residency at University of Iowa Hospitals and Clinics. He then proceeded with a Gastroenterology fellowship at Tufts Medical Center and an Allergy/Immunology fellowship at Massachusetts General Hospital/Harvard Medical School. He began his early career in academia working on several NIH-funded research projects.He is a former site principal investigator of the Consortium of Eosinophilic Gastrointestinal Disease Researchers (CEGiR). He established and directed the Center for Food Related Diseases at Tufts Medical Center and the Pediatric Food Allergy Center at Tufts Children’s Hospital.In 2015, Dr. Leung founded Boston Specialists/Boston Food Allergy Center. The center has become one of the most distinguished independent clinical and research centers in New England, treating 250-300 patients per week. He has conducted over 40 industry and federally funded clinical trials since 2010. He is currently an adjunct assistant professor at Tufts Friedman School of Nutrition Science and Policy, and an adjunct faculty member of the Immunology Program at Tufts Graduate School of Biomedical Sciences. Both his clinical and research focus are on eosinophilic gastrointestinal diseases, mast cell GI disorders and food allergy/intolerance. He has co-authored more than 50 peer-reviewed manuscripts including an article in New England Journal of Medicine, numerous scientific abstracts, book chapters, and online tutorials. He has been invited to lecture at many well-renowned institutions, some of which include Tufts Medical School, Massachusetts General Hospital, Brigham and Women’s Hospital, Beth Israel Deaconess Medical Center, Massachusetts Medical Society, and the American Gastroenterology Association. Dr. Leung is rated as an Elite provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Eosinophilic Esophagitis, Eosinophilic Enteropathy, Eosinophilic Colitis, Endoscopy, and Tissue Biopsy.

Walter Chan is a Gastroenterologist in Boston, Massachusetts. Dr. Chan is rated as an Elite provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Esophagitis, Small Bowel Bacterial Overgrowth, Endoscopy, and Gastric Bypass. Dr. Chan is currently accepting new patients.

Nirav Desai is a Gastroenterologist in Boston, Massachusetts. Dr. Desai is rated as an Elite provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Viral Gastroenteritis, Eosinophilic Enteropathy, and Endoscopy.

Wael Sayej is a Pediatric Gastroenterologist and a Pediatrics provider in Springfield, Massachusetts. Dr. Sayej is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Viral Gastroenteritis, Delayed Growth, and Endoscopy. Dr. Sayej is currently accepting new patients.

Allison Ledoux is a primary care provider, practicing in Family Medicine in Cohasset, Massachusetts. Dr. Ledoux is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. Her top areas of expertise are Generalized Anxiety Disorder (GAD), Acne, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Intrauterine Device Insertion. Dr. Ledoux is currently accepting new patients.

John Garber is a Gastroenterologist in Boston, Massachusetts. Dr. Garber is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Esophagitis, Eosinophilic Esophagitis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.

Eitan Rubinstein is a Gastroenterologist in Boston, Massachusetts. Dr. Rubinstein is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Eosinophilic Enteropathy, Gastrectomy, and Colonoscopy.

Mayssan Muftah is a Gastroenterologist in Boston, Massachusetts. Dr. Muftah is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. Her top areas of expertise are Esophagitis, Eosinophilic Esophagitis, Bowel Incontinence, Eosinophilic Enteropathy, and Endoscopy.

Erin Syverson is a Pediatric Gastroenterologist and a Gastroenterologist in Boston, Massachusetts. Dr. Syverson is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. Her top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Chronic Idiopathic Constipation (CIC), Eosinophilic Enteropathy, and Gastrectomy. Dr. Syverson is currently accepting new patients.

Kari Nadeau is an Allergy and Immunologist in Boston, Massachusetts. Dr. Nadeau is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. Her top areas of expertise are Asthma, Food Allergy, Eosinophilic Esophagitis, Esophagitis, and Septoplasty.

Elizabeth Hait is a Pediatric Gastroenterologist and a Gastroenterologist in Boston, Massachusetts. Dr. Hait is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. Her top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Lactose Intolerance, and Chronic Idiopathic Constipation (CIC).

Yehudith Assouline is a Gastroenterologist in Lawrence, Massachusetts. Dr. Assouline is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. Her top areas of expertise are Eosinophilic Esophagitis, Lactose Intolerance, Esophagitis, Endoscopy, and Colonoscopy.

Wai-kit Lo is a Gastroenterologist in Boston, Massachusetts. Dr. Lo is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Esophagitis, Eosinophilic Esophagitis, Endoscopy, and Colonoscopy.

Peter Bonis is a Gastroenterologist in Boston, Massachusetts. Dr. Bonis is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Esophagitis, Lower Esophageal Ring, Eosinophilic Esophagitis, Eosinophilic Enteropathy, and Endoscopy.

Douglas Mcdonald is a Pediatric Allergy and Immunologist in Boston, Massachusetts. Dr. Mcdonald is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Eosinophilic Esophagitis, Primary Immunodeficiency (PID), Selective Deficiency of IgA, and Hives.

Qian Yuan is a Pediatrics specialist and a Pediatric Gastroenterologist in Boston, Massachusetts. Dr. Yuan is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Proctitis, Eosinophilic Esophagitis, Esophagitis, and Viral Gastroenteritis. Dr. Yuan is currently accepting new patients.

Aubrey Katz is a Pediatric Gastroenterologist and a Gastroenterologist in Waltham, Massachusetts. Dr. Katz is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Celiac Disease, Malabsorption, and Endoscopy. Dr. Katz is currently accepting new patients.

John Lee is an Allergy and Immunologist in Boston, Massachusetts. Dr. Lee is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Food Allergy, and Hives.

Samuel Nurko is a Gastroenterologist in Boston, Massachusetts. Dr. Nurko is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Chronic Idiopathic Constipation (CIC), Fecal Impaction, Irritable Bowel Syndrome (IBS), Ileostomy, and Colonoscopy.

Rachel Rosen is a Pediatric Gastroenterologist and a Pediatrics provider in Boston, Massachusetts. Dr. Rosen is rated as an Advanced provider by MediFind in the treatment of Eosinophilic Esophagitis. Her top areas of expertise are Painful Swallowing, Swallowing Difficulty, Esophageal Atresia Coloboma Talipes, Esophageal Atresia, and Myringotomy. Dr. Rosen is currently accepting new patients.