Ascension Saint Thomas Medical Partners - Maplewood High School Ascension Saint Thomas Medical Partners - Maplewood High School Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Health Care >> Health Care Services Ascension Saint Thomas Medical Partners - Maplewood High School 401 Walton LaneNashville, TN 37216 | map | directions Ascension Saint Thomas Visit Site If your business isn't here, contact us today to get listed!