Born: Rick Rogers
The name "Walton" was never stated in the episodes on Combat. Publicity documents prior to the pilot show referred to his charactor as that. His charactor would only be known as "Doc".
Steve Rogers would not be brought back after the first season for several reasons. (The higher uppers were not pleased with his work).
Conlan Carter would become the new medic in season 2. Conlan's charactor would also only be known as "Doc".
Rogers and Carter did not play the same "Doc". They were two different charactors.
Steven Rogers' Scores