Carolina Cardiology Associates Our physicians have been serving Guilford County since 1976, Davidson county since 1990 and Randolph county since 1996. Our Board-Certified Cardiologists have privileges at High Point Regional Hospital, Lexington Memorial, Community General Hospital in Thomasville and Randolph Hospital in Asheboro. For over 24 years, the company has provided the latest technology to diagnose and treat heart disease, so that people live longer, more active lives.