Nene returned to his role as a starter, though still playing with a minutes limit, and needs to get acclimated before the Wizards embark on a five-game Midwest trip next week.
The NBA announced penalties following Thursday's altercation between Wizards guard John Wall and Knicks forward Quincy Acy.
Nene being back in the starting lineup helped the Wizards end a two-game losing streak as they kept the Knicks on their heels by playing a frenetic pace.
Less than a month remains in the popular voting for All-Star starters, and John Wall was caught off-guard when told where he ranked among fans.
The New York Knicks were no match for the Washington Wizards on Christmas day.