Contact About Us Giving Financial Assistance Healthcare Professionals Education Careers Your Health Blog Patient Portal Access. Book an Appointment. Pay My Bill. ... Methodist Diagnostic Center - Southaven. ... 7400 Airways Blvd. Southaven, MS 38671 Directions. 662-996-2122. Hours. Mon-Fri: 7:30 a.m. - 5 p.m. Access Patient Portal. At this ....