Alexander BrunMD

About Brooklyn Gastroenterologist Dr. Alexander Brun Alexander Brun, MD, is a board-certified gastroenterologist with extensive experience. Gastroenterology deals with the conditions and symptoms of your digestive system. With state-of-the-art diagnostic tools, Dr. Brun can tell what you’re suffering from so he can treat it. Common digestive tract ailments include: Irritable bowel syndrome (IBS) Acid reflux disease Hemorrhoids Abdominal pain Constipation Celiac disease Inflammatory bowel disease (IBD) Hepatitis Focusing on Your Health In collaboration with his capable colleagues at the Century Medical and Dental Center, Dr. Brun performs a number of treatment procedures. He uses his skills to ease your distress and cure the cause of your symptoms. Some of the treatments he recommends include: Transfusion of packed cells Esophagus and stomach biopsy Liver biopsy Endoscopic retrograde cholangiopancreatography (ERCP) Small bowel endoscopy Double-balloon enteroscopy Endoscopic ultrasound S