Boston (55-24) grabbed a 28-23 lead after one quarter, but was outscored by Washington, 33-31, in the second quarter. The second half was decisive for the Celtics, who scored 45 points while holding the Wizards to 32 points.
All five of the Celtics starting five scored in double digits, pacing a 50.7 percent shooting attack for Boston. Nenad Krstic finished with 17 points and six rebounds and Kevin Garnett totaled 15 points and 11 boards. Ray Allen finished with 13 points for Boston.
Andray Blatche had 20 points and grabbed 10 rebounds Wizards, who shot 45.5 percent from the field. John Wall scored 20 and had seven assists, Jordan Crawford added 19 points and JaVale McGee totaled 15 rebounds and 10 rebounds for Washington.