Surgery - Cardiothoracic locum postion in Springfield, Ohio 45504 & Information: 10-11 days/month Friday Afternoon - through the next full week and weekend either Sunday evening or Monday AM. Varied& over 100 years, Mercy Health - Springfield Regional Medical Center has provided comprehensive medical services for residents of Clark County and surrounding communities. As Springfield's only full-service hospital, we offer complete care including 24/7 emergency services, maternity services, critical and intensive care, surgery and pediatric care - all provided by skilled doctors and highly trained health professionals.