We know that accessiblilty to a patient's information is top priority. ... you will be prompted to login. Milan will automatically install to your system and, if previously installed, update to our most current version. ... Milan Medical. PO Box 720455 Oklahoma City, OK 73172 866.773.3867 405.773.8675. Share us with your friends.Support‧Home‧News‧Contact‧Overview‧Testimonials.