Bobbie Lyn Darling, FNP 300 Winding Woods DriveSuite 214O Fallon, MO, 63366Mercy Clinic Primary Care - O'Fallon View Phone 636-614-3280 Fax: 636-272-3680 View Website Experience & Reliability Click to schedule an appointment About Photos & Videos Reservation Additional Information Categories: Family Doctors PowerListings Synced Send to My Email Send to My Phone Print this Page