Endicott-Johnson Medical Clinic, also known as the Wilson Hospital Annex, is a historic hospital building located at Binghamton, Broome County, New York.

It was built in 1928 by the Endicott Johnson Corporation as a part of its "Square Deal" program.

It is a two-story, T-shaped steel frame building with a flat roof, clad in red brick.

It has a projecting central section that is four bays wide and a one-story enclosed portico.

This article about a historic property or district in Broome County, New York, that is listed on the National Register of Historic Places, is a stub.