Office: (714) 772-6540 E-mail: DrAliceGemba@mynicedentist.com Office Hours: Mon: 9:00 a.m. - 6:00 p.m.Tue: 9:00 a.m. - 3:00 p.m.Wed: 9:00 a.m. - 6:00 p.m.Thu: 9:00 a.m. - 6:00 p.m.Fri: Per Appointment onlySat: Per Appointment only