Tzystuck v. Chicago Transit Authority

The appeals in Nos. 65112 and 65336 were consolidated for purposes of oral argument and disposition of the issue of whether a treating physician who will testify to a medical opinion at trial is an expert witness within the meaning of Supreme Court Rule 220(b)(1) (107 Ill. 2d R. 220(b)(1)).

The plaintiff-appellee in case No. 65336, Elizabeth Diminskis, individually and as plenary guardian of the estate and person of Victor Diminskis, brought suit for personal injury against the defendants-appellants Chicago Transit Authority (CTA) and Harold D. Clemons following an incident in which a CTA bus…