Mercy Clinic OB/GYN - W. Main - CLOSED 1216 W. Main StreetFestus, MO, 63028W. Main View Phone 314-849-3711 Fax: 314-849-0235 1216 W. Main StreetFestus, MO 63028W. Main View Website Experience & Reliability About Reservation Send to My Email Send to My Phone Print this Page