Emergency room in Portland celebrates 10 years of caring for community Many attend the opening of ER24/7 Portland The new ER 24/7 in Portland is now open. By: Lisa Leal and last updated 2021-05-11 23:01:20-04 PORTLAND, Texas â The new ER 24/7 in Portland is now open. A ribbon-cutting ceremony was held on Tuesday for the medical center located at 1702 U.S. Highway 181, Suite A-11. The Corpus Christi Medical Center rebranded the old Northshore facility into the new facility. ER 24/7 Portland is a full-service emergency care facility. "This brings emergency care, quality care, exceptional care to the city of Portland and the surrounding communities," said Eric Evans, CEO of Corpus Christi Medical Center.