Callahan had a goal and an assist in Saturday's 4-0 win over the Devils.
Callahan leads to the postseason with 11 points in a sizzling seven-game run.
Callahan scored a goal in the opening minute and another in the third period as the New York Rangers eliminated the New Jersey Devils from the Eastern Conference playoff race with a 4-1 victory on Sunday.
Callahan has three goals and three assists in his last four games.
Callahan had a goal and three assists in Monday's 4-2 win over Winnipeg.
Callahan was scoreless in his previous five games.
Callahan had a season-high three points (two goals, one assist) in a 4-2 victory over Philadelphia on Tuesday.
The New York Rangers had five goals and two assists in his first 17 games this season.
Callahan returned Thursday for New York.
Callahan was out with a shoulder injury.