The Attending Physician of Advanced Complex Endoscopy specializes in performing high complexity Gastrointestinal (GI) endoscopic procedures, including, Endoscopic Ultrasound (EUS), Endoscopic Retrograde Cholangiopancreatography (ERCP), Endoscopic Mucosal Resection (EMR), Endoscopic Submucosal Dissection (ESD), Peroral Endoscopic Myotomy (POEM), etc., under the direction o