Robert W. Bastian, M.D.
Brent E. Richardson, M.D.
Lori L. Sonnenberg, M.M. (voice), M.A., CCC-SLP
W. Nathan Waller, M.M. (voice), M.A., CCC-SLP
Michele R. Denemark, M.A., CCC-SLP
Michele C. Simler, M.S., CCC-SLP
3010 Highland Parkway Suite 550
Downers Grove, IL
60515
Katie Hayes oversees duties pertaining
to correspondence as well as assisting with appointment
scheduling, clinical assistance, billing and all front
desk operational duties.
