A team of pediatric specialists treats the wide range of trauma that children encounter, says A team of pediatric specialists treats the wide range of trauma that children encounter, says Kim Wallenstein, MD Kim Wallenstein, MD, the new medical director of Upstate‘s pediatric trauma unit. Wallenstein, a pediatric surgeon, explains how children who have been injured by anything from bicycle accidents to gunshot wounds are brought in and treated at the only level-one, the new medical director of Upstate‘s pediatric trauma unit. Wallenstein, a pediatric surgeon, explains how children who have been injured by anything from bicycle accidents to gunshot wounds are brought in and treated at the only level-one pediatric trauma center pediatric trauma center in Upstate New York. in Upstate New York.