Mid America Audiology Group

Meet our Staff

Gregory J. Maag, MA, FAAA

Greg Maag   Gregory J. Maag is the director of Audiology and the owner of Mid America Audiology Group. Greg received his bachelors of science degree in speech language pathology and audiology from Southern Illinois University-Edwardsville. He continued his education on the campus of University of Illinois-Campaign and received his masters degree in audiology. Greg Maag started his career at Missouri Baptist Medical Center in St. Louis, Missouri transitioning to private practice with his father in 1983. He ventured out on his his own and formed Mid America Audiology Group in 1988. As a certified clinical audiologist he has enjoyed helping those with hearing difficulties improve the quality of their lives through the use of the most advanced hearing instrument technology available. Greg and his associate audiologist’s now provide professional hearing services in seven locations.

C. Joseph Hopper IV, MS, FAAA

Joe Hopper   Joe Hopper received a bachelor’s in communication disorders with an emphasis in speech language pathology and audiology from Central Missouri State University in 1994. He received his master’s degree in clinical audiology from the same university in 1996. He enjoys working with the pediatric population as well as adult diagnostics, rehabilitation, and hearing devices. He is always eager to discuss your individual hearing needs in depth and ensure that you get the most optimal fitting.




Our mission is to serve our community by providing excellent hearing health care and customer service with a personalized touch. We strive to help individuals with hearing impairment reconnect to their world through education, quality service, and the most current technology available today. Most importantly our patients satisfaction is first and foremost.