Patient Financial Services and Financial Counseling 2601 Electric Avenue Port Huron, MI 48060 Phone: 810-216-4100. Pay your Lake Huron Medical Center Hospital bill here. Pay your Lake Huron Medical Group Physician bill here. Pay your Lake Huron Anesthesia CRNA bill here. Office hours are 8:00 a.m. to 4:30 p.m. Monday through Friday..