Erie ENT - Ear, Nose, and Throat Doctors in Erie, PA Ear Nose & Throat Specialists of Northwestern Pennsylvania is an otolaryngologist in Erie PA specializing in diseases and disorders of the head and neck, most commonly the ears, nose and throat. Ear Nose & Throat Specialists of Northwestern Pennsylvania diagnoses and treats head and throat problems such as sinusitis, sleep apnea, allergies, outer ear infections, dizziness, laryngitis, and hearing loss.