Yvonne Bussmann, MD 3231 S. National AvenueSuite 100Springfield, MO, 65807Mercy Clinic Pediatrics - Smith Glynn Callaway View Phone 417-885-0810 Fax: 417-888-6740 3231 S. National Avenue, Suite 100Springfield, MO 65807Mercy Clinic Pediatrics - Smith Glynn Callaway View Website Experience & Reliability About Reservation Send to My Email Send to My Phone Print this Page