Leadership TeamExcelis Medical Associates
DION R. SAMERSON, MD, MBA, FACEP
Chief Executive Officer
As a partner in the group and physician leader at St. Joseph’s Hospital, Dr. Samerson has served on several hospital and healthcare system committees. He was instrumental in developing a Type I Emergency Department Observation Unit at St. Joseph’s Hospital in 2015. Dr. Samerson was the Observation Unit Director prior to becoming the Emergency Department Medical Director and Department Chair for St. Joseph’s Hospital in 2018. In 2020, Excelis’ Board of Directors appointed Dr. Samerson to be the group’s Chief Executive Officer. Dr. Samerson holds a Master in Business Administration from the University of Florida, Warrington College of Business.
AMY C. HAMPTON, MBA
Chief Operating Officer
During her time at Mednax as Regional Director of Operations, Amy managed several large anesthesia groups, pain management practices and neonatology groups in North Carolina. She joined EMA as the COO in January 2018. Amy holds a Bachelor of Science in Health Policy and Administration from The Pennsylvania State University and a Master of Business Administration from the University of North Carolina at Chapel Hill.
JAMES P. ROBELLI, MD, FACEP
Prior to joining Excelis Medical Associates, Dr. Robelli was the Medical Director at Columbia Raulerson Hospital in Okeechobee, Florida and Vice-Director of the Emergency Department at St. Mary’s Hospital, West Palm Beach, Florida. He also served as Medical Director of Indian River Community College’s Paramedic program.
Dr. James Robelli has been with EMA since 1996. Throughout his tenure with the group, he has held several leadership positions including Director of Advance Practice Providers and Medical Director for St. Joseph’s Hospital – North. He has been a member of the EMA Board of Directors for over 10 years and served as group Treasurer. He currently serves as Medical Director of St. Joseph’s Hospital – South Emergency Department as well as President and Chairman of EMA’s Board of Directors.