Ruby Memorial Hospital Medical Records. Health (1 days ago) Medical Records CHI Memorial. (Just Now) You may send your request by fax to (423) 495-4740. CHI Memorial Medical Records office hours are Monday - Friday, 8:00 a.m. - 4:30 p.m. at CHI Memorial Hospital Chattanooga.Records are usually available within 7 to 10 business days from the time the request is made..