Theodore scored a goal on three shots and blocked two shots in Tuesday's 5-4 overtime loss to the Predators.
Theodore notched an assist and two blocked shots in Sunday's 3-1 win over the Devils.
Theodore notched an assist in Thursday's 5-4 loss to the Bruins.
Theodore logged two assists in Saturday's 4-3 shootout loss to the Senators.
Theodore will be in action against the Predators on Tuesday.
Theodore (upper body) is not expected to play Monday against San Jose, per Jesse Granger of The Athletic.
Theodore (upper body) was activated from long-term injured reserve Monday, per the NHL media site.
Theodore (upper body) is unlikely to play Saturday against Carolina, but he might return next week, Danny Webster of the Las Vegas Sun reports Wednesday.
Theodore (upper body) is projected to return in three-to-four weeks, Jason Gregor of Sports 1440 Edmonton reports Thursday.
Vegas announced Wednesday that Theodore has undergone surgery in relation to his upper-body injury and is week-to-week.