Tuesday, June 09, 2026
Gastroenterology care in O’Fallon expands with new provider
O’FALLON, Ill. – HSHS Medical Group welcomes Angela Croessman-Marshall, MSN, AGPCNP-BC, to HSHS Medical Group Multispecialty Care - St. Elizabeth’s, at 3 St. Elizabeth’s Blvd., Suite 5000, in O’Fallon, Illinois. She provides comprehensive gastroenterology care for adults, evaluating and managing conditions such as gastroesophageal reflux disease, inflammatory bowel disease, liver disorders and irritable bowel syndrome. Croessman-Marshall earned a Master of Science in nursing from Walden University and a
