Sisters of Mercy Health System Employee Directory
Hospitals and Health CareMissouri, United States10001+ Employees
Sisters of Mercy Health System, commonly referred to as Mercy, is a large, multi-state hospital and health care network. Headquartered in Chesterfield, Missouri, Mercy runs 55 acute care and specialty hospitals, plus extensive outpatient facilities, imaging centers, and pharmacies, supported by more than 50,000 caregivers and over 5,000 physicians and advanced practitioners. The system serves millions annually and is recognized by NRC Health as the top large system in the U.S. for patient experience. It operates one of the nation’s largest and highest performing Accountable Care Organizations in quality and cost. In fiscal year 2025, Mercy provided more than half a billion dollars in free care and other community benefits. In June 2026, Mercy opened three new specialty clinics in Sikeston, Missouri, and Pamela Slaven-Lee was named president effective July 6, 2026.