McCormick's funeral is scheduled for Tuesday. He was pronounced dead at the scene of the 3:30 a.m. Saturday crash near the Indiana Statehouse.
Medley died early Sunday from his injuries. The cause of Saturday's crash remains under investigation.
The 21-year-old woman who was driving the car that collided with the ambulance was released following a routine blood-alcohol test.
Police said the ambulance had the right of way at the intersection where the collision occurred and both medics were wearing seatbelts.