Affinity Immediate Care is designed to provide you and your family with emergency room experience without the emergency room cost or wait! With 3 urgent care locations in southeast Texas (Alvin, Texas City and Galveston), Affinity Immediate Care will help you get better fast! Affinity Immediate Care is an urgent care clinic designed to fit your busy schedule. Each urgent care location is open evenings and weekends for when you need medical assistance for non-life threatening conditions.