[1] In 1881, Arthur was appointed assistant surgeon in the United States Army.
He also served assignments in Soldiers Home and Walter Reed Army Medical Center in Washington D.C. until 1915.
[2][3] In October 1915, Arthur became the third commandant of the Army Medical Department Research and Graduate School until his retirement on December 3, 1918.
Arthur was promoted to brigadier general of the National Army with the date of rank from August 7, 1917.
[2] William Hemple Arthur died at the age of eighty on April 19, 1936.