Dr. David B. Simmons

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. Dr. Varadarajulu is currently accepting new patients.

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. Navaneethan is currently accepting new patients.

Muhammad Hasan is a Gastroenterologist practicing medicine in Orlando, Florida. Dr. Hasan is highly rated in 35 conditions, according to our data. His clinical expertise encompasses Hereditary Pancreatitis, Bile Duct Obstruction, Cholestasis, Endoscopy, and Gastric Bypass. Dr. Hasan is currently accepting new patients.