 The Ann Arbor News - MLive.com | Ann Arbor-based Saint Joseph Mercy Health System incorporates ... Michigan Business Review - MLive.com, MI - The additions of St. Joseph Mercy Oakland in Pontiac and St. Joseph Mercy Port Huron (formerly Mercy Hospital) to the Saint Joseph family were effective Dec ... ? Saint Joseph Mercy to restart $7.8M Saline Hospital expansion Saint Joseph?s regional system expands, starts branding campaign |