John Grehan, MD

John Grehan, MD
Schedule an Appointment Today!

1301 W. 18th St.
Sioux Falls, SD 57105
M-F 8:30am-4:30pm, Sa-Su Closed

Monday: 
8:30 am – 4:30 pm
Tuesday: 
8:30 am – 4:30 pm
Wednesday: 
8:30 am – 4:30 pm
Thursday: 
8:30 am – 4:30 pm
Friday: 
8:30 am – 4:30 pm
Saturday:  Closed
Sunday:  Closed

A Specialist in Heart Surgery

Services

Heart Surgery