Memorial Hermann Memorial City Medical Center, in Houston, Texas, achieved superior readmission rates in two of the three clinical areas reported to the Centers for Medicare and Medicaid Services. Its readmission rate for patients with acute myocardial infarction and pneumonia surpassed the best 10 percent of hospitals in the country for the selection period. Its readmission rate for heart failure was not as strong, outperforming the national average only by a narrow margin.