UnitedHealth Group Inc. has completed its $4.3 billion acquisition of the physician group of DaVita Inc. after scrutiny from regulators stalled the purchase by more than a year, the company said Wednesday.
News of the Minnetonka-based health insurer's intention to buy DaVita's physician group was first reported in December 2017. At the time, UnitedHealth expected to close the deal in 2018, but a regulatory process that dragged on longer than expected delayed the purchase, which was trimmed from…