I see Dr. Michael Goldberg who works within North Shore University Health System: http://www.northshore.org/apps/findadoctor/doctor.aspx?docid=1453
I see him at his Evanston location, though he has one in Glenview as well. That link has a list of accepted insurances.
I hope this helps!
21 y/o, diagnosed 6/2007
Symptoms currently under control with Humira and a wheat-free, processed food-free diet. Beginning to have symptoms of GERD...