About Us We are Northwest Indiana’s and Chicagoland’s trusted source for ear, nose, and throat (ENT) care. Breathe Sinus, Allergy & Sleep offer medical and surgical treatment for the ear, nose, throat, sinuses, and neck with ENT offices in both Munster, Indiana and Hinsdale, Illinois. Dr. Jack Patel and his staff of audiologists, nurses and administrative employees at Breathe Sinus, Allergy & Sleep have been dedicated to improving the Ear, Nose & Throat health of patients from Northwest Indiana and the Chicagoland area for the past decade. Other services include Balloon Sinuplasty, allergy testing and treatment, sleep apnea and snoring treatment and immunotherapy, also a wide range of state-of-the-art hearing aids and services. For your convenience, we have an on-site sinus CT scanner so that our physicians can start treatment right away if needed, no waiting for results.