William Mark Barnett, MD

William Mark Barnett, MD
Mercy Clinic Family Medicine - Rolla-Suite 230
M-F 8am-5pm, Sa-Su Closed (Walk-in hours: 8 a.m. - 4 p.m.)

Monday: 
8:00 am – 5:00 pm
Tuesday: 
8:00 am – 5:00 pm
Wednesday: 
8:00 am – 5:00 pm
Thursday: 
8:00 am – 5:00 pm
Friday: 
8:00 am – 5:00 pm
Saturday:  Closed
Sunday:  Closed