Dr. Mark Dillon

A board-certified gastroenterologist, Shyam Varadarajulu, MD, specializes in advanced endoscopy at the Orlando Health Digestive Health Institute Center for Advanced Endoscopy, Research & Education. He treats complex digestive disorders and serves as president of Orlando Health’s Digestive Health Institute.His clinical interests and notable procedures include:Endoscopic retrograde cholangiopancreatography (ERCP)Endoscopic ultrasound (EUS)Luminal interventionsPancreatic endotherapyTumor ablationDr. Varadarajulu’s TrainingDr. Varadarajulu earned his medical degree at Madras Medical College in India. He followed this with a residency in internal medicine at St. Mary’s Hospital in Rochester, New York. He then completed his gastroenterology fellowship at the University of Connecticut in Farmington, and a fellowship in advanced endoscopy at the Medical University of South Carolina in Charleston under the tutelage of Drs. Peter Cotton and Robert Hawes.About Dr. Varadarajulu The principal investigator of more than 20 randomized trials related to interventional endoscopy, Dr. Varadarajulu also has lectured and held visiting professorships around the world. He has authored 65 chapters in reference textbooks, including the electronic reference UpToDate, and he is the editor of the textbook ENDOSONOGRAPHY. In addition, he has written more than 300 peer-reviewed manuscripts in high-impact journals and is a reviewer for more than 30 professional journals. He is a former section editor for the American Gastroenterological Association journal, Clinical Gastroenterology and Hepatology; and deputy editor-in-chief of Digestive Endoscopy. Dr. Varadarajulu is a member of the American Gastroenterological Association, American College of Gastroenterology and American Society for Gastrointestinal Endoscopy; an honorary member of the European Endoscopic Ultrasound Club and Society of Gastrointestinal Endoscopy of India; and an honorary fellow of the Japanese Gastroenterological Endoscopy Society. View Curriculum Vitae. Dr. Varadarajulu is highly rated in 32 conditions, according to our data. His clinical expertise encompasses Hereditary Pancreatitis, Pancreatic Pseudocyst, Acute Pancreatitis, Endoscopy, and Pancreatectomy. Dr. Varadarajulu is board certified in American Board Of Internal Medicine And Gastroenterology.

A leading international expert on inflammatory bowel disease (IBD), Udayakumar Navaneethan, MD, is a board-certified gastroenterologist who treats complex digestive disorders at the Orlando Health Digestive Health Institute Center for Advanced Endoscopy, Research & Education and Center for Inflammatory Bowel Disease. He has advanced training in: ChromoendoscopyEndoscopic retrograde cholangiopancreatography (ERCP)Endoscopic ultrasound (EUS)Luminal interventionsEndoscopic mucosal resection (EMR)Double balloon enteroscopy (DBE)Pouchoscopy and therapeutic endoscopy in IBDDr. Navaneethan’s TrainingDr. Navaneethan earned his medical degree from Madras Medical College in India and completed an internship and residency in internal medicine at University Hospital/University of Cincinnati College of Medicine. He was inducted into Alpha Omega Alpha honor society during his residency and pursued fellowships in gastroenterology, IBD and advanced endoscopy at Cleveland Clinic in Ohio.About Dr. NavaneethanDr. Navaneethan currently is the principal investigator for multiple IBD-related clinical trials and studies focusing on medical and endoscopic management of complex IBD, chromoendoscopy for early diagnosis of colon cancer in IBD, primary sclerosing cholangitis and new medications for IBD. He has presented more than 100 research study abstracts and authored more than 240 peer-reviewed manuscripts and several book chapters focused on the endoscopic management of IBD. He sits on the editorial board of Inflammatory Bowel Diseases journal and is the associate editor of BMC Gastroenterology.He was one of the founding members of the Global Interventional IBD group and the special interest group in interventional IBD in the American Society of Gastrointestinal Endoscopy. Dr. Navaneethan is a member of the American Gastroenterology Association and Crohn’s and Colitis Foundation Florida Chapter, where he is on the medical advisory committee and chair of the professional educational committee. He also is a fellow of the American Society of Gastrointestinal Endoscopy and the American College of Gastroenterology.View Curriculum Vitae. Dr. Navaneethan is highly rated in 37 conditions, according to our data. His clinical expertise encompasses Sclerosing Cholangitis, Cholangitis, Ulcerative Colitis, Endoscopy, and Colonoscopy. Dr. Navaneethan is board certified in American Board Of Internal Medicine And Gastroenterology.

Dr. George Christophi is a board-certified gastroenterologist with Orlando Health Medical Group Gastroenterology. His specialties include: Inflammatory bowel disease Crohn's disease Colorectal cancer screening and advanced endoscopy mucosal resection Celiac disease and gastrointestinal malabsorption disorders Barrett's esophagus and acid reflux disorders Dysphagia and esophageal motility Irritable bowel syndrome Eosinophilic esophagitis and food-related gastrointestinal conditions Liver disorders Ulcerative colitis Gastrointestinal bleeding Dr. Christophi strives to provide compassionate and personalized care to all his patients. His own diagnosis with inflammatory bowel disease shaped his decision to become a gastroenterologist. He utilizes evidence-based medicine and cutting-edge medical treatments to provide excellent care. Dr. Christophi's Training Dr. Christophi graduated summa cum laude with bachelor's degrees in molecular biology and chemistry from Richard Stockton University in Pomona, New Jersey. He earned his PhD in immunology and his medical degree from the State University of New York Upstate Medical University in Syracuse. He completed his internal medicine residency, gastroenterology fellowship, advanced inflammatory bowel disease fellowship and post-doctoral gastrointestinal research at Washington University School of Medicine in St. Louis. About Dr. Christophi Dr. Christophi is a diplomate of the American Board of Internal Medicine and Gastroenterology. His professional memberships include the American Gastroenterological Association and Crohn's and Colitis Foundation. Dr. Christophi's work has appeared in numerous peer-reviewed journals, including Science, and book chapters. He serves as an editorial journal reviewer and has delivered presentations on numerous topics related to gastroenterology and immunology. He has been involved in clinical trials for Crohn's disease and ulcerative colitis. Dr. Christophi continues to be involved in inflammatory bowel disease reach along with nutrition and evaluation of novel treatments for immune-mediated gastrointestinal disorders. Outside of work, Dr. Christophi enjoys spending time with family, fishing and walks on the beach. He is fluent in English and Greek. Dr. Christophi is highly rated in 13 conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Crohn's Disease, Colitis, Colonoscopy, and Endoscopy. Dr. Christophi is board certified in American Board Of Gastroenterology and American Board Of Internal Medicine.