CHI St. Alexius Health Urgent Care on Main For records, fax the completed form to 701.530.3801 or call 701.530.3800 for questions. You may also mail the completed form to: CHI St. Alexius Health Urgent Care on Main 807 E Main Ave. Suite A Bismarck, ND 58503. CHI St. Alexius Health Urgent Care on 43rd.