Prabal K. Guha, MD Cardiology, Electrophysiology, Heart - Vascular. McLeod Cardiology Associates - Florence 101 William H. Johnson Street, Suite 600 McLeod Medical Park East Florence, South Carolina 29506. Phone: (843) 667-1891 Fax: (843) 665-2516. McLeod Cardiology Associates - Sumter McLeod Medical Park Sumter 540 Physicians Lane.