Welcome to the offices of Drs. Terry H. McMillan and Matthew D. Gillihan at Rio Grande Ear, Nose & Throat.Dr. Terry H. McMillan and Dr. Matthew D. Gillihan are ear, nose and throat surgeons located in Las Cruces, New Mexico, serving the surrounding areas. From sinusitis to sleep apnea, our physicians provide top care to treat all types of medical conditions. Our doctors serve all ages of our community with state-of-the-art care.Problems we treat include: Chronic sinusitis Cosmetic nasal surgery Ear infections Hearing loss Vertigo Snoring and sleep apneaPlease call Dr. Terry H. McMillan or Dr. Matthew D Gillihan today to schedule an appointment.