HCA Healthcare, parent company of Memorial Hospital, purchased 55.28 acres for $15.8 million west of the Wildlight community in Nassau County.
The five contiguous parcels are at northeast Interstate 95 and Florida A1A.
In May, Baptist Health bought 25.96 acres at Florida A1A and Harper Chapel Road, less than a half a mile from the Memorial property.
Baptist plans to build a 50,000-square-foot medical office building. JEA issued a service availability letter for the project in June.