CoxHealth Fitness Center North Address 1423 N. Jefferson Ave Springfield, MO 65802 location Get Directions Phone: 417-269-3282 Hours 24 hours, 7 days a week.Holiday hours are subject to change. Please call for more information. We offer everything you need to reach your fitness goals.Located in Cox North Hospital, on the corner of Jefferson and Lynn in Springfield, our north-side location offers the services, facilities and classes you need to meet your fitness goals. This fully renovated, three-floor, 18,000-square-foot location includes equipment from the top names in fitness, including Precor, Life Fitness, Cybex and Concept II. Plus, our medical fitness model means you can access screenings and assessments, classes and more to help you stay on track – and stay healthy.