Stephen Samuel Walther, DO 1502 W. Meyer RoadWentzville, MO, 63385Mercy Clinic Pediatrics - Wentzville View Phone 636-698-6200 Fax: 636-698-6222 1502 W. Meyer RoadWentzville, MO 63385Mercy Clinic Pediatrics - Wentzville View Website Experience & Reliability About Reservation Send to My Email Send to My Phone Print this Page