St. Mary’s Medical Center is proud to announce that Mary Jo (Joey) Bulfin has been promoted from chief nursing officer to chief operating officer at St. Mary’s Medical Center.Bulfin has been St. Mary’s Medical Center’s chief nursing officer since 2005 and her tenure at St. Mary’s spans more than 30 years, beginning in 1980 as an RN in the Neonatal Intensive Care Unit (NICU) after earning her nursing degree.