El Rio Health Center Ron Medvescek / Arizona Daily Star Aug 13, 2014 Buy Now The demonstration kitchen is a new addition to El Rio Congress Center. It will be used for nutrition education for staff and patients to promote healthy well-being. This Saturday will be the first class for their Life enhancement program. Ron Medvescek / Arizona Daily Star As featured on +7 Photos: Inside the New El Rio Health Center The new 54,000 sq. Robert Gomez Building opened at El Rio Congress Center.