Medical career Willoughby served as president of the Herkimer County Medical Society from 1806 to 1816 and 1818 to 1836. He served as president of the College of Physicians and Surgeons now the
State University of New York Upstate Medical University, from 1812 to 1844. He served as member of the medical staff of the New York Militia and was a veteran of the
War of 1812. Willoughby practiced in Herkimer County and was one of the founders of the
College of Physicians and Surgeons in
Fairfield, where he served as professor of obstetrics.
Political career Willoughby served in the
New York State Assembly in 1808 and 1809. In 1814 he ran for the United States House as a
Democratic Republican, and appeared to be defeated by
William S. Smith. Willoughby successfully contested the results and was seated for the remainder of the
14th United States Congress, December 13, 1815 to March 3, 1817. Willoughby was appointed judge of the court of common pleas of
Herkimer County in 1805 and served until 1821. ==Legacy==