MedExpress | 15,951 followers on LinkedIn. MedExpress Urgent Care is a leader in delivering high-quality, convenient and affordable care for those seeking medical treatment for illness and injury. MedExpress also offers treatment for workplace injury and job-related medical issues to employers and their employees through its Employer Health Services program. The company operates full-service, walk-in health care facilities that are open 12 hours per day, seven days a week.