Sherif A. Hassan, MD, specializes in diseases of the head and neck, including ear infections, dizziness, throat infections, sleep apnea, nasal obstruction, sinus diseases, allergies, salivary gland disorders, head and neck cancer, and thyroid and parathyroid disorders. He also has expertise in image guided sinus surgery, coblation tonsillectomy, balloon sinuplasty, and nerve monitoring techniques for treating parotoid and thyroid tumors.