Once-Renowned US Health Fraud Unit in Boston Gets an Inside Edge

Boston’s chief federal prosecutor is scrutinizing his lawyers’ biopharma investigations amid perceptions the office has lost its reputation as the Justice Department’s most feared health-care fraud enforcer.

Joshua Levy, now the acting head and White House nominee to lead the US attorney’s office in Massachusetts, is relying on his decades of experience as the health-care industry’s go-to defense attorney opposite DOJ as he examines legal theories and evidence his line prosecutors pursue in the medical field.

“I am very much interested in the health-care fraud cases because I feel like I know the space; I hope I can add value,” ...