Edward Yung 591 N 13th Ave, Upland, CA 91786, United States of America +1 909-982-8846 https://www.pacificeyemd.com/doctors/edward-yung-m-d/ Monday 8 am to 5 pm Tuesday 8 am to 5 pm Wednesday 8 am to 5 pm Thursday 8 am to 5 pm Friday 8 am to 5 pm Saturday Closed Sunday Closed Reviews Map