Johnson picked up the save on Saturday, pitching a perfect ninth inning against the Nationals.
Johnson (4-2) picked up the win Wednesday over the Brewers, allowing one hit and one walk over 1.1 scoreless innings. He struck out two.
Johnson (3-2) took the loss Thursday as Atlanta fell 3-2 in 10 innings to the Mets, giving up an unearned run on a hit and a walk in two-thirds of an inning. He struck out two.
Johnson gave up a hit and struck out one in a scoreless seventh inning Sunday to record his eighth hold of the season in a win over the Yankees.
Atlanta reinstated Johnson (elbow) from the 15-day injured list Saturday.
Johnson (elbow) is expected to be reinstated from the 15-day IL on Saturday, David O'Brien of The Athletic reports.
Johnson (elbow) said he felt good after throwing live batting practice Wednesday, and he's on track to come off the injured list ahead of Friday's game against the Padres, Justin Toscano of The Atlanta Journal-Constitution reports.
Johnson (elbow) began throwing off a mound Friday, Mark Bowman of MLB.com reports.
Atlanta placed Johnson (elbow) on the 15-day injured list Saturday.
Johnson (2-0) picked up the win Friday, walking one and striking out two in a scoreless 10th inning as Atlanta downed the Diamondbacks 6-5.