Fowler, who made 23 appearances for the Brewers during the 2006/07 campaign, will be available for Albion's npower League Two fixture against Chesterfield at the Pirelli Stadium on Saturday.
The 29-year-old Welshman will also be eligible should Burton's season be extended via the play-offs.
Fowler joined Doncaster in January and made four appearances, including one start, before he was sent out on loan to Blue Square Bet Premier side Forest Green.
He has made over 200 appearances after beginning his career at Coventry in 1999.
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