EmCare works well under pressure. The company is the largest provider of contracted emergency department staffing and management to about 1,00 hospitals across the US. EmCare manages emergency services for hospitals, including recruiting and hiring medical directors, doctors, and nurses and monitoring their performance. The company is expanding its hospitalist services -- staffing hospitals with acute-care specialists. Emcare also provides anesthesiology services to surgery centers and teleradiology services to smaller regional hospitals. Other services include such administrative functions as billing, record keeping, and staff scheduling. EmCare is a subsidiary of Envision Healthcare.