Dobson is not in the lineup and will again sit out as a healthy scratch in Game 5 on Tuesday against the Lightning.
Dobson is taking part in pregame warmups ahead of Game 5 against Tampa Bay on Tuesday, per Arthur Staple of The Athletic.
Dobson is expected to replace Johnny Boychuk (face) in the lineup Thursday when the Islanders take on the Senators, Brian Heyman of Newsday reports.
Dobson is expected to be a healthy scratch Monday in Arizona, Andre Gross of Newsday reports.
Dobson only has one goal and four assists in 28 games so far this season.
Dobson scored a goal on two shots in Tuesday's 8-2 win over the Red Wings.
Dobson could be in line for a regular role with the defense for the Islanders due to the loss of Adam Pelech (Achilles) for the next 4-6 months, Andrew Gross of Newsday reports.
Dobson was a healthy scratch for the sixth time in seven games Tuesday versus the Capitals.
Dobson will not be loaned out so he can play in the World Junior Championship, Arthur Staple of The Athletic reports.
Dobson played for the first time since Nov. 27 as the Islanders defeated the Lightning 5-1 on Monday.