Pan-Malaysian Islamic Party
In the 2013 election, Othman ran for the UMNO-held federal seat of Jerlun. Jerlun was being vacated by Mukhriz Mahathir, who was seeking to move to state politics to become Kedah's Chief Minister. Othman defeated Pan-Malaysian Islamic Party (PAS)'s Ismail Salleh by 3,270 votes, winning election to the federal parliament.