Patient Portal Secure ... Cortland. Smith Allergy & Asthma Specialists of Central New York 2977 Westinghouse Road Horseheads, New York 14845 (607) 684-6115. Office Hours Monday - Friday from 8:30am - 5pm *Extended hours on Thursdays until 7pm. Smith Allergy & Asthma Specialists of Central New York 2430 North Triphammer Rd. Suite B Ithaca ....