Dr. Bussing joined the SIU audiology team in June 2011 after completing her Doctor of Audiology degree from the University of Illinois, Urbana-Champaign in May 2011. She provides diagnostic testing, hearing aid fittings, and cochlear implant services for pediatric and adult patients at both St. John's Pavilion and at the West Side Clinic (on Lawrence Avenue).She serves as Co-Coordinator for the Audiology Group. Dr. Bussing is a member of the American Speech-Language and Hearing Association (ASHA).

Anna is very active in the local theater community and enjoys singing.