There are at least two artists with this name. 1) M.E.D. aka Medaphoar is a hip hop MC who has recorded with Madlib, Wildchild, and Oh No. M.E.D's debut album was released on Stones Throw Records in 2005. Entitled Push Comes To Shove, the album features production from Madlib, J Dilla, Oh No (Madlib's younger brother), and Just Blaze. A CD entitled "Bang Ya Head" was released during Stones Throw's 2005 Tour and features M.E.D (known as Medaphoar) guest spots from 1998 to 2005.
M.E.D. made a dis track toward Canibus called "Lightwork."

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