Becker's Hospital Review: Adventist Health buys $14.5M plot to connect subsidiary systems in Florida Altamonte Springs, Fla.-based Adventist Health System purchased 103 acres in Florida’s Polk County to extend and connect its Orlando and Tampa Bay, Fla.-based health systems, according to a Tampa Bay ... Becker's Hospital Review: Adventist Health in Florida Unveils Plans for $500M Investment in Tampa Bay Adventist Health in Florida Unveils Plans for $500M Investment in Tampa Bay Adventist Health System, based in Orlando, Fla., is planning to invest approximately $500 million in former University Community Health, which it acquired a year ago, according to a Tampa Bay Business ...