[2] Greenwich Hospital has sub-specialties that include geriatrics, oncology, orthopedics, obstetrics, pediatrics, ophthalmology and home care.

[5] Greenwich Hospital is licensed as an acute care facility by the Connecticut Department of Public Health & Addiction Services.

[2] Diane Kelly is president of Greenwich Hospital,[6] which is a nonprofit institution governed by a volunteer board of trustees.

In 1914 Commodore Elias C. Benedict, a town resident, offered partial financing to erect a new hospital building on Perryridge Road.

World War I delayed construction, although in October 1917, the new facility opened in time to be used in the serious influenza epidemic that occurred the following year.