Under Drobot , Concept Healthcare expanded the hospital 's services deeper into the Irvine area and added new centers for oncology and sports medicine .
Drobot had been the executive director of Healthcare Medical Center from 1980 to 1984 .
Under executive director , Concept Healthcare expanded the hospital 's services deeper into the Irvine area and added new centers for oncology and sports medicine .
Drobot had been the executive director of Healthcare Medical Center from 1980 to 1984 .