Atkinson scored a power-play goal on five shots in Saturday's 5-3 loss to the Maple Leafs.
Atkinson notched an assist in Thursday's 4-3 win over the Golden Knights.
Atkinson signed a one-year, $900,000 contract with Tampa Bay on Tuesday.
Atkinson was placed on unconditional waivers for the purposes of buying out his contract Friday.
Atkinson will be back in the lineup in Boston on Saturday, per Bill Meltzer of NHL.com.
Atkinson scored an even-strength goal and added a power-play assist in Tuesday's 6-3 loss to the Lightning.
Atkinson scored a goal and added two assists in Saturday's 7-4 loss to the Avalanche.
Atkinson will return to the lineup Saturday versus Calgary, Jordan Hall of NBC Sports Philadelphia reports.
Atkinson will be a healthy scratch Thursday versus Columbus.
Atkinson logged three assists in Thursday's 6-2 victory over the Wild.