Allergy & Asthma Center, P.C., is an allergy practice based in Eugene, Corvallis, and Roseburg, Oregon. Our practice includes allergists: •Candice M. Rohr, M.D., Board Certified•Alice H. Chou, M.D., Board Certified•Justin S. Treat, D.O., Board CertifiedAppointments are available in the following locations in Oregon: •Eugene•Corvallis•RoseburgAn allergist is a physician trained to diagnose,...