Dr. Rainerio Sion is a highly respected medical professional based in the Philippines. He is currently affiliated with the prestigious St. Luke's Medical Center, one of the leading healthcare institutions in the country. Dr. Sion has built a reputation for his dedication to providing high-quality patient care. His expertise and commitment to his profession have made him a trusted figure in the medical community. Despite the limited information available online, Dr. Sion's affiliation with St. Luke's Medical Center indicates a high level of competence and professionalism in his field.