Ellen DeGeneres 911 Treated For Chest Pains

Ellen DeGeneres suffered chest pains during a producers' meeting on the Warner Bros' lot ... TMZ has learned.

Someone from Ellen's staff called 911, and the Burbank Fire Department dispatched a crew to the scene at 11:53 am. 

We're told Ellen is doing fine. She was seen walking on her own after the Fire Dept. left.

Story developing...