Usman was said to be kidnapped by the gunmen who stormed his residence at Kofare Ward of Yola around midnight on Friday.
Confirming the incident, the Police Public Relations Officer, Adamawa Police Command, Mr Othman Abubakar, said the lawmaker was taken away at gunpoint.
He however said that the police were investigating the incident.
The News Agency of Nigeria (NAN) reports that Usman is one of the only two members of Adamawa Assembly who won their re-election to the house for a second term after defecting from PDP to APC in the just-concluded general elections.
The incident brings to three the number of kidnapping recorded in the state within six months.
NAN recalls that Alhaji Sani Ribadu, a brother to Malam Nuhu Ribadu and Mr Wilson Gundiri, a brother to Engr Markus Gundiri were earlier kidnapped but later released.
Gindiri was the Adamawa SDP gubernatorial candidate in the just-concluded general elections.