A Once-Well-Known Cancer Doctor In Johnson City Has Had His Medical License Revoked. Dr. William Kincaid Had His Medical License Taken Away By The Tennessee Department Of Health July 30th. He Pleaded Guilty In Federal Court To Using Mislabeled Medications For Patients And Served A Two Year Sentence. Kincaid And Two Other Physicians, Formerly Of McLeod Blood And Cancer Center Have Agreed To Repay The U.S. Government’s Medicare Program And Tenncare $4.5-Million Dollars As Part Of A Settlement.