HUNTINGTON, W.Va. -- Federal prosecutors say a 55-year-old Cabell County physician has pleaded guilty to writing prescriptions for addictive pain medications to a patient who had a known addiction.U.S. Attorney Booth Goodwin said Dr. Anita Dawson, of Milton, pleaded guilty Monday in Huntington to violating drug control laws. Dawson admitted she wrote prescriptions for nearly 6,000 pills containing oxycodone and more than 220 pills of the painkiller Endocet.Goodwin said Dawson prescribed pain medications to a patient despite the individual's repeated violations of a pain management agreement. The patient was identified only as "E.B."Dawson is scheduled to be sentenced Oct. 29. She faces up to four years in prison and a $250,000 fine.