Dr. Irwin Simon has been, for decades, meeting the needs of patients in the Las Vegas and Henderson areas for his specialty of General Surgery. He is a Board Certified General Surgeon treating a broad range of surgical conditions including hernias, gallstones and gallbladder disease, endocrine conditions, involving the thyroid, parathyroid, and adrenal glands. He also performs surgery for gastroesophageal reflux disease (GERD) and hiatal hernias. Dr. Simon provides oncologic surgical care for a variety of cancer conditions, including breast cancer, colon cancer, pancreatic cancer, and skin cancers such as melanoma. Dr. Simon also cares for many emergency conditions of the gastrointestinal tract, such as appendicitis, diverticulitis, and obstruction of the bowel