Contact Us Address 1731 Ridgeway AvenueWaterloo, IA 50701 Phone (319) 833-5800 opening hours Mon – Fri 7:00 a.m. – 4:30 p.m. Have a question or concern? Contact Us. Name Email Phone Message Send Message The Surgery Center at United Medical Park 1731 Ridgeway AvenueWaterloo, IA 50701