Karl B. Wagner

Mednax Services, Inc. is a provider of neonatology and pediatric services to hospitals on a management contract basis. It also offers back-up care to private pediatricians, pediatric intensivists, and emergency department physicians. These services are provided at hospital-based neonatal intensive care units and pediatric intensive care units. NICUs are staffed by neonatologists, who are pediatricians with additional training to care for newborn infants with low birth weight and other medical complications

Pediatrix Management Services, Inc. provides neonatal and pediatric and anesthesia services. The firm's services include neonatal intensive care, maternal-fetal medicine, newborn hearing screens, pediatric cardiology, and pediatric care. The company was founded in 1979 and is headquartered in Sunrise, FL.

American Anesthesiology, Inc. provides anesthesia services in hospitals, ambulatory surgery centers, office-based medical and dental practices, and pain management clinics. Its services include general anesthesia for routine adult and pediatric surgical procedures including general surgery, orthopedics, obstetrics/gynecology, ophthalmology and plastic surgery, regional anesthesia, including epidural anesthesia and peripheral nerve blocks, monitored anesthesia care for endoscopies, radiologic and interventional cardiac procedures, chronic and acute pain management, and critical care anesthesia. The company was founded in 2007 and is headquartered in Melville, NY.