He is rated 3.5 stars out of 5 by his patients. Dr. Wielgolewski's areas of expertise include the following: colorectal surgery procedures, minimally invasive surgery, and colon cancer. His professional affiliations include Northwestern Medicine Central DuPage Hospital and DuPage Medical Group (DMG). Dr. Wielgolewski is in-network for Aetna EPO, Blue Cross/Blue Shield, and Coventry, in addition to other insurance carriers. He has an open panel. He is a graduate of Loyola University Chicago, Stritch School of Medicine. He trained at a hospital affiliated with Loyola University for residency.