He was initially reassigned to AHL affiliate, the Milwaukee Admirals to being the season. However, on February 1, 2014, he was recalled to the Nashville and made his NHL debut against the St. Louis Blues. Moser appeared in 6 games at the NHL level in the 2013–14 season.
At the conclusion of his one-year contract with the Predators, Moser rejected a contract extension offer with Nashville and opted to return to his native Switzerland, signing an initial one-year contract with SC Bern on July 31, 2014. In the midst of the 2014–15 season with the Black Bears, Moser re-signed to an improved three-year contract with an NHL out-clause option with Bern on January 13, 2015.