Vacaville Address 1 Quality Drive Vacaville, CA 95688 Hours Mon – Fri, 8:30 a.m. – 12:30 p.m. and 1:30 p.m. - 5:00 p.m. Contact (707) 624-2703 Driving Directions Click here for interactive driving directions. Our Services Assistive Listening DevicesHearing AidsHearing Tests (adult and pediatric) Our Team Christina Becerra, M.S.Felicia Nepomuceno, Au.D.Anna Zhdamirova, Au.D