Union City Address 3553 Whipple Road Building B, 2nd Floor Union City, CA 94587 Hours Mon – Fri, 7:00 a.m. – 12:30 p.m. and 1:30 – 5:00 p.m. Contact (510) 675-2001 Driving Directions Click here for interactive driving directions. Our Services Assistive Listening DevicesBAHACochlear ImplantsHearing AidsHearing Tests (adult and pediatric)Vestibular Evaluations Our Team Jessica Katsuyama, Au.D.Esmeralda Espino, Au.D.Mayra Tagle, Au.D.Ruchi Ahuja, Au.D.Anhthi Luong, Au.D.Carol Rousseau, Au.D.Natalie Schmitt, Au.D.Barbara Slaymaker, Au.D.