Joseph Barnes (American physician)

Joseph K. Barnes
Maj. Gen. Joseph K. Barnes
Born(1817-07-21)July 21, 1817
Philadelphia, Pennsylvania, U.S.
DiedApril 5, 1883(1883-04-05) (aged 65)
Washington, D.C., U.S.
Place of burial
AllegianceUnited States of America
Union
Service/branchUnited States Army
Union Army
Years of service1840–1882
Rank Brigadier General
Brevet Major General
CommandsSurgeon General of the U.S. Army
Battles/warsSecond Seminole War
Mexican–American War
American Civil War

Joseph K. Barnes (July 21, 1817 – April 5, 1883) was an American physician and the 12th Surgeon General of the United States Army (1864–1882).