As a member of our Internal Medicine Depart-ment, Dr. Slonek specializes in caring for adults. Dr. Slonek joined our Clinic on June 23, 1986. Dr. Slonek received his medical degree in 1982 from the University of Illinois College of Medicine. He completed his Residency at the Hines Veterans Affairs Hospital in Maywood, IL. Dr. Slonek is affiliated with Central DuPage Hospital.