Find a Gastroenterologist in Belleville, Illinois 62220https://www.wellness.com/Gastroenterologist in Belleville, Illinois serving residents in and around zip code 62220. Wellness.com has Gastroenterologist reviews, phone numbers, addresses and maps available. en-usCopyright 2026, Wellness.com, Inc. All rights reserved.support@wellness.comWellness Cities Wellness.com Gazelle Rss Generatorhttps://www.wellness.com/dir/6926401/gastroenterologist/mo/festus/nicole-guerrero-mercy-gastroenterology---jefferson-suite-n3300Nicole Guerrerohttps://www.wellness.com/dir/6725519/gastroenterologist/mo/festus/monica-hallquist-mercy-gastroenterology---jefferson-suite-n3300Monica Hallquisthttps://www.wellness.com/dir/7178222/gastroenterologist/mo/festus/shanker-kundumadam-mercy-gastroenterology---jefferson-suite-n3300Shanker Kundumadamhttps://www.wellness.com/dir/7046976/gastroenterologist/mo/festus/saad-zinad-mercy-gastroenterology---jefferson-suite-n3300Saad Zinadhttps://www.wellness.com/dir/1945758/gastroenterologist/il/belleville/stephen-schmidt-mdStephen Schmidt, MDhttps://www.wellness.com/dir/4124501/gastroenterologist/il/belleville/mark-feldmanMark Feldman