The Nets (12-15) have won consecutive games and are 11-2 against sub-.500 opponents this season.
Johnson finished with 27 points, while Plumlee added 19 points, 13 rebounds and three blocks.
The Nuggets lost by 28 Monday night in Charlotte and were playing the second game of a back-to-back.
Player of the game: Plumlee made a massive impact on both ends of the court. He continues to blossom.
Stat of the game: Lopez came off the bench for the first time since Nov. 12, 2008 -- the seventh game of his NBA career. A reserve over those first seven games, Lopez started the next 351 games in which he played. The Nets outscored their opponent in the second quarter for the first time since Nov. 21.
Play of the game: Kenneth Faried's putback dunk at the end of the first half.
Up next: The Nets head to Boston to face the Celtics at TD Garden in a rare Friday afternoon contest.