Dr. Mark T Klucka, D.O. Internal Medicine - Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 3 Saint Elizabeth Blvd, O Fallon, IL 62269 Phone: 618-641-5803
Gastroenterology: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.