Marshfield Clinic Health System | 21,080 followers on LinkedIn. Our mission is to enrich lives and create healthy communities through accessible, affordable, compassionate health care. | Marshfield Clinic Health System has served rural communities for more than 100 years. Today, the Health System has clinical locations and hospitals spanning more than 45,000 square miles of northern, central and western Wisconsin and the Upper Peninsula of Michigan. As an integrated Health System, we bring together all the pieces of the health care puzzle to provide excellent, comprehensive care to rural communities.