76,464 outpatient visits and more than 2,352 inpatient admissions during that period. WCI provides comprehensive, interdisciplinary care including surgical, radiation, robotic and medical oncology services as well as counseling for patients and families, cancer education, community outreach program and clinical research trials. The Cancer Institute is home to the area's only Gamma Knife and also has the Trilogy Linear Accelerator. The Hospital Center's transplantation program ranks among the top five percent in the nation for patient outcomes and consistently exceeds the national average. The program for kidney, pancreas and heart is one of the busiest in the mid-Atlantic region. Perhaps the Hospital Center's most wide-reaching presence is its MedSTAR Transport air ambulance service, which, as of 2008 had carried nearly 50,000 patients since its inception in 1983. The American College of Surgeons consistently recognizes the MedSTAR Trauma program as one of the nation's best Level I shock/trauma units. Statistics In fiscal year 2011, 40,192 inpatients were served—including 4,079 births—and 411,514 outpatients. The Hospital Center has a medical/dental staff of 1,407. There were nearly 25,000 cardiac catheterization procedures performed during FY 2012. There were 1,670 open-heart surgeries and ten heart transplants performed during the fiscal year 2011. There were 108 kidney transplants, four combination kidney/pancreas transplants and no pancreas transplant performed during fiscal year 2011. There were 2,157 helicopter transports and 705 trauma unit visits in FY 2011. There were 87,114 Emergency Department visits. Washington Hospital Center provided over $22 million in charity care during FY 2011. Rankings In 2012–13, the MedStar Washington Hospital Center was named among “America’s Best Hospitals” for Cardiology & Heart Surgery by U.S. News & World Report in the magazine's 22nd annual survey of nearly 5,000 health care facilities. Washington Hospital Center was the only D.C. hospital to be ranked in the areas of cardiology and heart surgery in 2012/13 by U.S. News & World Report. Only 148 medical centers in the U.S. were ranked in one or more of 16 specialties designated in U.S. News & World Reports survey. The Washington, D.C., metropolitan area, of which the Washington Hospital Center is a part, includes Alexandria and Arlington County, Virginia, and Bethesda and Rockville, Maryland. There are 59 hospitals in this area, and of these, the Washington Hospital Center is ranked number two, just below Inova Fairfax Hospital. ER One ER One is a prototype hospital envisioned for the Washington, D.C., area. The hospital is an