Deborah Bitsoli has been named president of Mercy Medical Center and its affiliates, effective Dec. 2. Most recently, she served as president of Morton Hospital in Taunton. Prior to Morton, she was COO and EVP at Saint Vincent Hospital in Worcester. Bitsoli holds an MBA from Babson College, and a BS from Bentley University. She replaces Mark Fulco, who left in September after two years as president.