Redlands, CA 92373. Phone Numbers. Main Number: 909-335-4112 Appointments: 909-335-4112. Hours 8:00 a.m. - 5:00 p.m. Holiday Closures Beaver Medical Group offices are closed on the following holidays: • Presidents Day — Monday, Feb. 15, 2021 • Memorial Day — Monday, May 31, 2021 • Labor Day — Monday, Sept. 6, 2021Facility Locations & Numbers‧Ophthalmology.