You'll have your medical information at your fingertips. ... If you need immediate attention from your provider, call the St. Anthony Clinic, at 712-792-2222 immediately. St. Anthony Regional Hospital; PO Box 628, 311 S. Clark Street; Carroll, IA 51401-0628; 712-792-3581; Emergency Dial 911; General. Services; Find a Doctor; Patients & Visitors;.