Offline Posted on September 28, 2018 by Red River ENT Associates You appear to be offline, please check your connection. Hardtner Location Hardtner Medical Center 1109 North Pine Road Olla, LA 71465 Phone: (318) 443-9773 Natchitoches Location 118 South DrNatchitoches, LA 71457 Phone: (318) 443-9773 For hours, please call for information. Red River ENT Associates 221 Windermere Blvd.Alexandria, LA 71303 Phone: (318) 443-9773 Fax: (318) 443-9799 Mon-Fri: 8:00am-5:00pm