Dr. Omar Salim Aamer Al Siyabi

Dr. Omar Salim Aamer Al-Siyabi is a highly respected Senior Consultant Gastroenterologist and Hepatologist in Oman, known for his extensive expertise in managing complex digestive and liver diseases. With years of advanced clinical experience at the Royal Hospital, he is recognized as one of the leading specialists in gastroenterology and hepatology in the region. Omar provides comprehensive care for a wide spectrum of gastrointestinal conditions, including gastritis, acid reflux (GERD), peptic ulcer disease, irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and colon polyps. His patient-centered approach, combined with up-to-date diagnostic and treatment methods, ensures high-quality medical care for individuals suffering from digestive disorders. Expert in Liver Diseases One of Dr. Omar’s strongest areas of specialization is liver disease management, particularly fatty liver disease, which has become one of Oman’s most common yet silent health conditions. He focuses on: Through his expertise, Dr. Omar aims to enhance public awareness and promote timely intervention to prevent long-term liver complications. Advanced Endoscopy Services Dr. Omar is highly skilled in performing advanced endoscopic procedures essential for diagnosing and treating various gastrointestinal diseases. His expertise includes: These procedures help in early detection of GI cancers, assessment of chronic digestive symptoms, and precise diagnosis of small bowel conditions. Obesity & Metabolic Health Management In addition to gastrointestinal and liver diseases, Dr. Omar has strong experience in medical obesity management, focusing on metabolic health, lifestyle modification, and evidence-based non-surgical weight management strategies. His approach helps patients reduce health risks and improve overall digestive and liver wellness.

Areas of focus