Dr. Michael Gagnon 5575 W Las Positas Blvd #240, Pleasanton, CA 94588, United States of America +1 925-460-5000 https://stanfordhealthcare.org/doctors/g/michael-gagnon.html Sunday Closed 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 Reviews Map