1. A medical image providing apparatus comprising: a display configured to display a first image comprising an object; a user interface (UI) configured to output a first list comprising at least one protocol applied while scanning the object in response to a first region included in the first image being selected, and to receive a selection of a first protocol included in the first list; and a controller configured to control to overlay and display a second image reconstructed by using image data obtained by applying the first protocol, on the first region of the first image.