Southern Ear, Nose, Throat and Allergy. (SENTA). physicians provide the highest quality allergy, asthma, immunology and otolaryngology care through our network of practices. SENTA is a leading Management Services Organization (MSO) specializing in providing comprehensive support to ENT and Allergy private practices. Our mission is to. help people. Breathe. better. Hear. better. Live. better. At SENTA, we focus on the operational efficiencies and ...