John F. Thompson, MD, is Chief, Division of Pediatric Gastroenterology, Hepatology and Nutrition at Children's Hospital at Montefiore (CHAM) and Professor of Pediatrics at our Albert Einstein College of Medicine. Dr. Thompson specializes in short bowel syndrome, Crohn's disease, ulcerative colitis, celiac disease, eosinophilic esophagitis, feeding disorder, and chronic abdominal pain. Dr. Thompson graduated from the College of the Holy Cross with a B.A. and M.S. in Chemistry. He was awarded his Doctor of Medicine from Loyola University Stritch School of Medicine in 1977. He completed a residency in Pediatrics at Wyler's Children's Hospital, University of Chicago Hospitals and Clinics in 1980, followed by a fellowship in Pediatric Gastroenterology and Nutrition at Babies Hospital, Columbia University Medical Center. Dr. Thompson was Chief of the Division of Pediatric Gastroenterology and Nutrition in the University of Miami Miller School of Medicine for 15 years before he was recruited to CHAM in 2009. Dr. Thompson is highly rated in 2 conditions, according to our data. His top areas of expertise are Neuroendocrine Tumor, Short Bowel Syndrome, Cerebral Hypoxia, Lymphadenectomy, and Colonoscopy.

Dr. Viswanathan received her Medical training at Kempegowda Institute of Medical Sciences in Bangalore, India. She then completed her Pediatric Residency at Miami Children?s Hospital and her fellowship at The Children?s Hospital at Montefiore. She has presented her research at national meetings and has received the Best Research Award at Pediatric Research Day Children?s Hospital at Montefiore 2011. Dr. Viswanathan is highly rated in 1 condition, according to our data. Her top areas of expertise are Liver Failure, Non-Alcoholic Fatty Liver Disease, Nonalcoholic Steatohepatitis (NASH), and Colonoscopy.

Howard Bostwick is a Pediatric Gastroenterologist in Valhalla, New York. Dr. Bostwick is highly rated in 1 condition, according to our data. His top areas of expertise are Eosinophilic Esophagitis, Esophagitis, Choledocholithiasis, Gastrectomy, and Colonoscopy.

Gitit Tomer, MD, is Director of the Pediatric Inflammatory Bowel Disease (IBD) Program at Children’s Hospital at Montefiore (CHAM) and Professor of Pediatrics at our Albert Einstein College of Medicine. Dr. Tomer has been a member of the Montefiore team since 2009, with a clinical focus on inflammatory bowel disease, performance improvement and capsule endoscopy. Dr. Tomer is highly rated in 1 condition, according to our data. Her top areas of expertise are Viral Gastroenteritis and Colonoscopy.

Mary See is a Pediatric Gastroenterologist in Valhalla, New York. Her top areas of expertise are Intestinal Parasitosis, Giardia Infection, Delayed Growth, and Obesity in Children.

Michael Halata is a Pediatric Gastroenterologist in Valhalla, New York. His top areas of expertise are Rotor Syndrome, Delayed Growth, Diarrhea, and Alpha-1 Antitrypsin Deficiency (AATD).

Natasha Bamji is a Pediatric Gastroenterologist in Valhalla, New York. Her top areas of expertise are Delayed Growth and Biliary Atresia.

Shilpa Sood is a Pediatric Gastroenterologist in Valhalla, New York. Her top area of expertise is Delayed Growth.

Deepali Tewari is a Pediatric Gastroenterologist in Hawthorne, New York. Her top areas of expertise are Delayed Growth, Diarrhea, Celiac Disease, and Gastroesophageal Reflux Disease (GERD).

Leonard Newman is a Pediatric Gastroenterologist in Valhalla, New York.

Mark Glassman is a Pediatric Gastroenterologist in Valhalla, New York.

Rachel Borlack, MD, is an attending physician and Assistant Professor, Pediatric Gastroenterology, Hepatology and Nutrition, at Children’s Hospital at Montefiore and Montefiore Einstein. Her clinical focus is in neurogastroenterology, motility and integrative medicine. In addition to endoscopy and colonoscopy procedures, Dr. Borlack performs and interprets advance motility procedures including anorectal manometry, impedance pH studies and esophageal manometry. She also has training in integrative medicine including hypnotherapy and acupressure. Her top area of expertise is Irritable Bowel Syndrome (IBS).

Lidija Palezac, MD, is an attending physician and Assistant Professor, Pediatrics at Montefiore Einstein. Dr. Palezac’s clinical interests include the management of eosinophilic esophagitis, liver disease, inflammatory bowel disease and celiac disease. Her top area of expertise is Colonoscopy.

Daphna Katz, MD, is an attending physician at Montefiore Einstein. Dr. Katz’s clinical practice centers on pediatric nutrition, including feeding disorders, malnutrition and obesity. She also focuses on nutrition in premature infants and in children receiving total parenteral nutrition. Her top areas of expertise are Cannabinoid Hyperemesis Syndrome (CHS), Eosinophilic Enteropathy, and Diarrhea.

Debra H. Pan, MD, MS, is an Attending Physician in the Division of Gastroenterology, Hepatology, and Nutrition at Children's Hospital at Montefiore (CHAM) and an Associate Professor of Pediatrics at our Albert Einstein College of Medicine. Her clinical focus is on pediatric gastrointestinal and liver conditions such as inflammatory bowel disease, acid reflux, Helicobacter pylori gastritis, tube feeding, endoscopy, cholestasis, viral hepatitis, autoimmune hepatitis, and liver transplant. A graduate from Soochow University School of Medicine in China in 1983, Dr. Pan received her Master of Science in Cardiac Electrophysiology from the same institute in 1989. From 1991 to 2000, she completed a postdoctoral research fellowship in Pharmacology and Toxicology at Michigan State University for 2 years and then continued gastrointestinal research at Columbia University. She completed her Pediatric residency at Long Island College Hospital in 2003, and her Pediatric Gastroenterology and Nutrition fellowship at Mount Sinai Hospital in New York City in 2005. Her top areas of expertise are Jaundice, Helicobacter Pylori Infection, Non-Alcoholic Fatty Liver Disease, and Nonalcoholic Steatohepatitis (NASH).

Katarzyna Bigaj, MD, is an attending physician at the Children’s Hospital at Montefiore Einstein and Assistant Professor at our Albert Einstein College of Medicine. Dr. Bigaj’s clinical focus centers on pre and post pediatric liver transplant care, pediatric hepatology and cholestatic liver disease. Her special interests include nutrition in liver disease and intestinal failure.

Jared Gelbs, MD, is a pediatric gastroenterologist and Assistant Professor, Pediatrics at Montefiore Einstein. Dr. Gelbs cares for children and adolescents of all ages, ranging from infancy to early adulthood, with a wide variety of gastrointestinal conditions. These include inflammatory, allergic, nutritional, feeding and functional disorders. His special area of interest is in celiac disease.

Bhanu Sunku is a Pediatric Gastroenterologist in Katonah, New York. Dr. Sunku is highly rated in 11 conditions, according to our data. His top areas of expertise are Lactose Intolerance, Celiac Disease, Malabsorption, and Eosinophilic Esophagitis.

Christine Karwowski is a Pediatric Gastroenterologist in Katonah, New York. Dr. Karwowski is highly rated in 5 conditions, according to our data. Her top areas of expertise are Celiac Disease, Lactose Intolerance, Morning Sickness, and Encopresis.

Bryan Rudolph is a Pediatric Gastroenterologist in Bronx, New York. Dr. Rudolph is highly rated in 1 condition, according to our data. His top areas of expertise are Non-Alcoholic Fatty Liver Disease, Obesity in Children, Vitamin D Deficiency, Lysosomal Acid Lipase Deficiency, and Liver Transplant.

Audrey Birnbaum is a Pediatric Gastroenterologist in Mount Kisco, New York.

Dr. Rivas graduated from the University of Carabobo School of Medicine in Valencia, Venezuela, where she also spent her internship. After serving as a surgery assistant at Guerra Mendez Medical Center in Valencia, Dr. Rivas completed her Pediatric Residency at SUNY Health Science Center in Brooklyn and her Pediatric Gastroenterology and Nutrition Fellowship at Children?s Hospital at Montefiore. She directs the Pediatric Gastroenterology and Nutrition Fellowship Program at The Children's Hospital at Montefiore. Her top areas of expertise are Jaundice, Pancreatic Pseudocyst, Choledocholithiasis, Childhood Pancreatitis, and Colonoscopy.

Alexa B. Goldfarb, DO, is an attending physician and Assistant Professor, Pediatric Gastroenterology at Montefiore Einstein. Dr. Goldfarb’s clinical interests include general pediatric gastroenterology and treating patients with abdominal pain, constipation, difficulty swallowing, poor weight gain and more. Her top areas of expertise are Osteomyelitis in Children, Viral Gastroenteritis, and Crohn's Disease.

Inessa Normatov is a Pediatric Gastroenterologist in Bronx, New York. Her top areas of expertise are Viral Gastroenteritis, Very Long-Chain Acyl-CoA Dehydrogenase (VLCAD) Deficiency, Aplasia Cutis Congenita, Ectodermal Dysplasias, and Colonoscopy.

Helen Mac is a Pediatric Gastroenterologist in Bronx, New York. Her top area of expertise is Liver Failure.