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.

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.

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.

David Fefferman is a Gastroenterologist in Stoneham, Massachusetts. Dr. Fefferman is rated as an Advanced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Choledocholithiasis, Familial Adenomatous Polyposis, Barrett Esophagus, Endoscopy, and Colonoscopy.

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.

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.

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.

Kari Nadeau is an Allergy and Immunologist and a Pediatrics provider 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.

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.

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.

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).

Douglas Mcdonald is an Allergy and Immunologist and a Pediatrics provider 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. Dr. Mcdonald is currently accepting new patients.

John Lee is an Allergy and Immunologist and a Pediatrics provider 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. Dr. Lee is currently accepting new patients.

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.

Roshan Razik is a Gastroenterologist in Stoneham, Massachusetts. Dr. Razik is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Berdon Syndrome, Acute Pancreatitis, Gallstones, Gastrectomy, and Colonoscopy.

Sanjay Hegde is a Gastroenterologist in Stoneham, Massachusetts. Dr. Hegde is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Choledocholithiasis, Gastroesophageal Reflux Disease (GERD), Gastrointestinal Bleeding, Endoscopy, and Gastrectomy.

Matthew Schlossberger is a Gastroenterologist in Stoneham, Massachusetts. Dr. Schlossberger is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Familial Adenomatous Polyposis, Acute Pancreatitis, Hereditary Pancreatitis, Endoscopy, and Colonoscopy.

Eric Libby is a Gastroenterologist in Stoneham, Massachusetts. Dr. Libby is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Visceromegaly, Barrett Esophagus, Gastrointestinal Bleeding, Colonoscopy, and Endoscopy.

Eric Ardolino is a Gastroenterologist in Stoneham, Massachusetts. Dr. Ardolino is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Familial Adenomatous Polyposis, Gastrointestinal Bleeding, Celiac Disease, Trichohepatoenteric Syndrome, and Colonoscopy.

Arpan Patel is a Gastroenterologist in Stoneham, Massachusetts. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Eosinophilic Esophagitis. His top areas of expertise are Acute Pancreatitis, Childhood Pancreatitis, Familial Adenomatous Polyposis, Gastrectomy, and Endoscopy.