Ottumwa Gastroenterology 1013 Pennsylvania AveHaas Medical Plaza, Ste DOttumwa, IA, 52501 View Phone 641-684-3444 Fax: 641-684-3443 1013 Pennsylvania Ave, Haas Medical Plaza, Ste DOttumwa, IA 52501 View Website Experience & Reliability About Send to My Email Send to My Phone Print this Page