Carmelo Anthony outplayed Kevin Durant, scoring 30 points, and Nene added 20 points for the Nuggets, who moved 1-1/2 games clear atop the Northwest Division, and 3-1/2 ahead of the Thunder.
Durant, the NBA's second-leading scorer, was held to 19 points after averaging 31 points in two previous games against the Nuggets this season.
James Harden also had 19 points for Oklahoma City.
Celtics 104, Bobcats 80: In Boston, Paul Pierce scored 27 points to lead the Boston to a comfortable win over Charlotte.
Boston's Nate Robinson had 16 points, including three 3-pointers in a 90-second span bridging the first and second quarters to key a 16-0 run. The Celtics have easily beaten the Bobcats in all three clashes this season.
Tyrus Thomas had 15 points and 10 rebounds to lead Charlotte, losers of five of six.
In Los Angeles, Phoenix breezed to its second rout in six days against the Clippers, sweeping the four-game season series for the second straight year.
Amare Stoudemire had 30 points and 14 rebounds and Channing Frye scored 23 points, including four 3-pointers in the fourth quarter to help Phoenix build its margin to 29 points with 6:45 remaining. The Suns shot 56 percent.
Chris Kaman had 24 points and nine rebounds for the Clippers.
In New Orleans, Memphis notched a franchise-record fifth straight road win by edging New Orleans.
Mike Conley scored a season-high 26 points, including nine in the final quarter as the Grizzlies overcame a nine-point deficit. Conley missed two free throws with 11 seconds left that gave the Hornets a chance to tie it, but James Posey turned the ball over and Rudy Gay dunked as time expired.
Marcus Thornton scored 24 for New Orleans.
In Atlanta, Marvin Williams scored 21 points to power the Atlanta past struggling Philadelphia.
Jamal Crawford added 20 points for the Hawks, who have won five of six.
The 76ers, who have lost four in a row, were led by Lou Williams, who had 30 points. He hit his first 10 shots and finished 11 for 15 from the field and 7 of 10 on free throws.
In Orlando, Florida, Dwight Howard had 28 points and 12 rebounds, and Orlando cruised to a victory over undermanned Golden State.
Rashard Lewis added 17 points to help the Magic win for the fifth time in six games and keep a tight grip on the Eastern Conference's No. 2 playoff seed. They lead Atlanta by two games.
C.J. Watson had 18 points for an injury-riddled Warriors team that dressed the NBA minimum eight players.
In Portland, Oregon, Brandon Roy scored 22 points to lead Portland over Indiana.
LaMarcus Aldridge added 19 points and seven rebounds for the Blazers, who have scored more than 100 points in six straight games for the first time since 1997-98.
Danny Granger led the Pacers with 30 points.
In Dallas, the hosts stretched their winning streak to nine games with a narrow victory over Minnesota.
Dirk Nowitzki overcame a slow shooting start to finish with 22 points, including the go-ahead basket in the last quarter.
Jason Terry had 26 points for the Mavericks.
Corey Brewer had 24 points for Minnesota, which has lost 10 of its past 11 games.
In East Rutherford, New Jersey, Cleveland opened a 20-point first-quarter lead and cruised to victory over hapless New Jersey.
LeBron James had 26 points and 14 assists and J.J. Hickson added 20 points and 13 rebounds in his second straight start for the injured Shaquille O'Neal as the Cavaliers won their fifth straight game.
The win completed a sweep of the Knicks and Nets over the past three days - two teams that have money to throw at James should he test the free-agent market this summer.
Brook Lopez had 21 points and 14 rebounds to lead New Jersey, which has now lost eight straight to the Cavaliers.
In Milwaukee, the hosts continued their late-season surge with victory over Washington.
John Salmons scored 16 of his 22 points in the second half. He is averaging 20.4 points and has scored in double figures in all eight games he's played since a trade deadline deal with Chicago. The Bucks are 7-1 in that span.
Andrew Bogut added 15 points and five blocks as Milwaukee moved into a tie for sixth in the Eastern Conference with Chicago.
In Houston, Carl Landry had 22 points and 10 rebounds against his former team to lead Sacramento over Houston.
The Rockets traded the popular power forward to the Kings in a three-team swap just before the deadline in a deal that sent Tracy McGrady to New York. Houston picked up Kevin Martin in the trade, and Sacramento's leading scorer over the last three seasons struggled against his former team, scoring 14 on 3-for-13 shooting.
Beno Udrih scored 13 points for the Kings, who snapped a four-game road losing streak.
In New York, the home team handed Detroit its fifth straight loss.
Bill Walker was one of four Knicks with 20-plus points, scoring a career-high 22 in his first career start.
Al Harrington scored 26 for the Knicks, who won for just the second time in 12 games and clinched the season series against the Pistons for the first time in nine years.
