Dr. Roy Vance Markham, M.D. Internal Medicine - Cardiovascular Disease Medicare: Not Enrolled in Medicare Practice Location: 2400 Hospital Dr, Suite 490, Bossier City, LA 71111 Phone: 318-798-9400 Fax: 318-798-6785
Cardiovascular Disease: An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.