Dr. Ilwoong Woong Chang, MD

Dr. Ilwoong Chang is a gastroenterologist and internal medicine physician who graduated from Yonsei University College of Medicine and completed his residency at Huron Hospital Cleveland Clinic. With six decades of medical practice, he brings extensive experience to diagnosing and treating digestive system disorders and providing comprehensive internal medicine care. Dr. Chang is fluent in both Korean and English, allowing him to serve patients from diverse backgrounds.

Dr. Chang practices at multiple locations throughout Northwest Indiana, including Munster, East Chicago, Hobart, and Hammond. His primary affiliation is with Saint Catherine Hospital, and he sees patients at several Franciscan Health facilities. The breadth of his practice locations reflects his commitment to making gastroenterology and internal medicine services accessible across the region.