Vallejo Address 1761 Broadway Suite 200 Vallejo, CA 94589 Hours Mon – Fri, 8:30 a.m. – 12:30 p.m. and 1:30 – 5:00 p.m. Contact (707) 645-2500 Driving Directions Click here for interactive driving directions. Our Services Assistive Listening DevicesHearing AidsHearing Tests (adult and pediatric) Our Team Penny Barron, M.S.Christina Becerra, M.S.Robert Der, M.S.Felicia Nepomuceno, Au.D.Doris Velasco, Au.D.Toni Will, Au.D.