Its hospitals provide more than 85,000 inpatient stays per year, including more than 7,000 births. The Emergency Department is among the five busiest in the United States. The Montefiore Headache Center, the oldest headache center in the world, was ranked number one among New York Best Hospitals in 2006 by New York Magazine.
The hospital made international headlines when a series of operations successfully separated the conjoined twins Carl and Clarence Aguirre of the Philippines. In 2001, it established a pediatric hospital, the Children's Hospital at Montefiore. Montefiore established the first Department of Social Medicine and the first home health care agency in the United States. It was again renamed, as Montefiore Hospital for Chronic Diseases in 1920, as Montefiore Hospital and Medical Center on October 11, 1964, and as the Henry and Lucy Moses Division of Montefiore Medical Center in 1981 when it took over the daily operations of Einstein Hospital. It was renamed Montefiore Hospital for Chronic Diseases in 1901, and moved again, to its current location in the Bronx and was renamed Montefiore Home and Hospital for Chronic Diseases in 1913. After growing out of its original building, the hospital moved uptown to Broadway and West 138th Street in 1888. In its early years, it housed mostly patients with tuberculosis and other chronic illnesses. Out of these meetings, held in the rooms of Congregation Shearith Israel, the Montefiore Home for Chronic Invalids, now the Montefiore Hospital, came into being at East 84th Street in Manhattan and accepted its first six patients on October 24, 1884, Moses Montefiore's birthday. Henry Pereira Mendes, to honor Sir Moses Montefiore on his forthcoming one-hundredth birthday. The birth of Montefiore Hospital arose from a series of meetings held in early 1884 among representatives of New York City's synagogues, convened by Dr.