Online scheduling available at mercyone mason city urgent care. They are open today from 8:00am to 8:00pm, helping you get immediate care. Pin On Veterinary Nursing Station The mercy urgent care is located in mason city, ia. Urgent care clinic mason city ia . This is the listing for the mercy urgent care. The mercy urgent care is located in mason city, ia. We are located at 1420 4th st se, mason city, ia 50401. This is the listing for the mercy urgent care. Appointments required ( call clinic ) licensed doctor. Open full screen to view more. They are equipped to serve the entire family including children and can handle a. 1420 4th st se, , mason city, ia, 50401 phone: Appointments can be made online using a phone, tablet or computer. Quick care urgent care 1420 4th street se mason city, iowa 50401 call now ». Our primary focus is to treat every patient like a vip and we promise to get our patients treated and discharged in under an hour. Find all contact ...