Nate Robinson scored 20 points off the bench to lead the Nuggets, who snapped a three-game losing streak.
Blake Griffin had his second 30-point performance in a row, finishing with 32 for the Clippers, who have dropped their last three games on the road.
Jamal Crawford added 20 points and Chris Paul had 17 points and 15 assists.
Trailing by 16 points at halftime, the Clippers began the third quarter with a 16-0 run to pull into a 59-all tie on a driving layup by Matt Barnes. Denver missed its first 10 shots of the second half before Gallinari connected on a tiebreaking 3.
Reader Comments