Dr. Susan Sirota is a Chicago-area pediatrician who, along with 39 other independent-minded practitioners from seven practices, met the spectre of hospital consolidation head-on by forming their own “group without walls.”Leap of FaithPediaTrustChicago, Ill.by Jill Fahy ■ Jul 2014Dr. Susan Sirota is a Chicago-area pediatrician who, along with 39 other independent-minded practitioners from seven practices, met the spectre of hospital consolidation head-on by forming their own “group without walls.”