Daniel Wagner, MD, is a board-certified cardiologist who sees patients 18 years and older. He diagnoses and treats a range of heart conditions, including coronary artery disease, congestive heart failure, arrhythmias, and valvular heart disease. Dr. Wagner offers preventive cardiology services and assessments of cardiac risk and performs transesophageal echocardiograms. Dr. Wagner decided to pursue cardiology after witnessing his family members being diagnosed with heart disease. His goal is to help his patients understand their conditions and symptoms and to provide treatment options that are most effective for each individual. This practice is a part of BJC Medical Group of Missouri.