Dr. Peter H. R. Green, MD

Professor of Clinical Medicine
College of Physicians & Surgeons
Columbia University,
New York, NY

Dr Green is the Director of The Celiac Disease Center at Columbia University. He is a Professor of

Clinical Medicine at the College of Physicians and Surgeons, Columbia University and Attending Physician at the New York-Presbyterian Hospital.
Dr. Green received his medical degree from University of Sydney, Australia. After completing his Residency and GI fellowship in Sydney he became a Research fellow at Harvard Medical School and in the Gastroenterology Department at the Beth Israel Hospital in Boston. He is a Fellow of the Royal Australasian College of Physicians and the American College of Gastroenterology as well as a Member of the American Gastroenterologic Association and American Society of Gastrointestinal Endoscopy.

Dr Green is a former President of the New York Society of Gastrointestinal Endoscopy and remains on the Council of the Society. He was on the Postgraduate Educational Committee, American Society for Gastrointestinal Endoscopy and a founding member of the Clinical Teaching Project, a committee established by the American Gastroenterological Association to develop teaching materials for gastroenterologists.

Celiac disease has been Dr Green’s focus over the last 10 years with equal concentration on patient care and research. He is one of the few physicians in the United States with an intense clinical and academic interest and expertise in celiac disease. As a result of the need for a coordinated approach for the medical care of patients with celiac disease Dr Green established the Celiac Disease Center at Columbia University.

Dr. Green's initial research involved studies of absorption of fats in the small intestine and the contribution of intestinal lipids to the lipids in the systemic circulation. His main clinical and research pursuits, over the last 12 years, has been in the clinical care and investigation of patients with celiac disease. As a result of his interest in this disease Dr. Green has cared for over 500 patients with this condition. He has developed research programs with colleagues at Columbia University and other institutions into the epidemiology, genetics, diagnosis and management of celiac disease and its complications. In addition, he has lectured on celiac disease at many medical institutions throughout the United States as well as national and international meetings.

Amy R. DeFelice, MD

Dr. DeFelice is the Director of the Babies Hospital Nutrition Support Service, and serves as Assistant

Clinical Professor of Pediatrics at Columbia University, where she specializes in pediatric gastroenterology. She is an active participant in education at her institution, where she has lectured to numerous groups on the gastrointestinal manifestations of cystic fibrosis, nutrition in childhood diseases, and a host of other topics.

Dr. DeFelice also served as an author and editor of the Babies Hospital Nutrition Support Service Manual of Parenteral & Enteral Nutrition. She has published articles on a range of topics within the field of pediatric gastroenterology, including diseases of the liver and biliary tract, and inflammatory bowel disease. She recently collaborated with other members of the Celiac Disease Center at Columbia University on a study investigating the effect of breast-feeding on the presentation of celiac disease in children

Joseph Levy, MD

Professor of Clinical Pediatrics
Columbia University, College of Physicians & Surgeons

Dr. Joseph Levy is the Director of the Children’s Digestive Health Center at the Children’s Hospital of New York-

Presbyterian in New York and a Professor of Clinical Pediatrics at Columbia University College of Physicians & Surgeons.

Dr. Levy received his MD from Hebrew University’s Hadassah Medical School in Israel. He completed his residency in Pediatrics at the Beth Israel Medical Center in New York and went on to complete a three-year fellowship in Gastroenterology at Columbia University College of Physicians and Surgeons.

Dr. Levy has served as the Director of Pediatric Clinical G.I. Service at Babies and Children’s Hospital of New York and as Chief of the Division of Pediatric Gastroenterology and Nutrition at New York Hospital’s Cornell Medical Center.

Board-certified in both Pediatric Gastroenterology and in Clinical Nutrition, Dr. Levy is actively involved in numerous professional and service activities. He currently serves as a reviewer at The Journal of Pediatric GI and Nutrition and The Journal of Neonatology and is the chairman of the Public Education Committee for the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition.

Dr. Levy has published articles in the Proceedings of the National Academy of Sciences, Gastroenterology, Pediatric Surgery International, Current Opinion in Gastroenterology, Pediatric Annals, Journal of Clinical Gastroenterology, and American Journal of Genetics. He is also the author of A Practical Approach to Pediatric Gastroenterology.

Dr. Levy is a member of several professional organizations including the North American Society of Pediatric Gastroenterology and Nutrition, American Gastroenterological Association, The Pediatric Gastroenterology Collaborative Research Group, and is a Fellow of the American Academy of Pediatrics. Recognized as an expert in his field, Dr. Levy has received the Attending Physician of the Year award from Columbia-Presbyterian’s Babies and Children’s Hospital of New York.

Philip G. Kazlow MD

Associate Director, Division of Pediatric Gastroenterology
Columbia-Presbyterian Medical Center

Dr. Kazlow received his medical degree, training in pediatrics, and specialization in pediatric

gastroenterology, at the Mount Sinai School of Medicine. He is the Associate Director of the Division of Pediatric Gastroenterology and Nutrition at Babies & Children's Hospital, Columbia-Presbyterian Medical Center. He is also an Associate Clinical Professor of Pediatrics at Columbia College of Physicians and Surgeons.

Dr. Kazlow has lectured nationally and has published on a variety of topics related to gastrointestinal diseases in children. He has lectured in numerous medical centers in the metropolitan area on the topic of celiac disease in children. His professional interests include celiac disease, inflammatory bowel disease, swallowing disorders and pancreatic disease. He has contributed five chapters to Pediastat, a computer reference tool that is widely used by pediatricians. His publications include reviews of esophageal reflex disease in children and neonatal gastroenterology. Recently he collaborated with the Celiac Disease Center at Columbia University to study the effects of breast-feeding on the presentation of celiac disease.

Suzanne K. Lewis, MD

Associate Professor of Clinical Medicine, College of Physicians and Surgeons, Columbia University

Dr. Lewis received her medical
degree at the Albert Einstein College of Medicine. She did her training in internal medicine and fellowship

in gastroenterology at Columbia Presbyterian Medical Center. Dr. Lewis has been an attending Gastroenterologist at New York Presbyterian Hospital since 1990 participating in teaching medical students and house staff, as well as having a private practice in gastroenterology. She has served as director of the Endoscopy suite at the Allen Pavilion.

Dr. Lewis is a member of the American Gastroenterological Society, the New York Society for Gastrointestinal Endoscopy, and the American College of Physicians. She has done research in adenomas in inflammatory Bowel disease. Her interests include celiac disease, inflammatory bowel disease, malabsorption, and endoscopy.

Susie K. Lee MD

Assistant Professor of Medicine
Columbia University College of Physicians and Surgeons

Dr. Susie Lee is an assistant professor of Medicine at Columbia University College of Physicians & Surgeons.

She is also an attending physician at New York Presbyterian Hospital and has recently joined the Celiac Disease Center at Columbia.

Dr. Lee received her medical degree from Columbia University College of Physicians & Surgeons and subsequently completed her residency in internal medicine and fellowship in gastroenterology at New York Presbyterian Hospital. Her research during fellowship focused on celiac disease and she collaborated with Dr. Green on many projects.

After fellowship, she practiced general gastroenterology at Phelps Hospital in Sleepy Hollow for two years and has now returned to Columbia to continue her research and clinical work with celiac patients.

Dr. Lee is a member of the American College of Gastroenterology, American Gastroenterologic Association, and the American Society of Gastrointestinal Endoscopy.