Harlem Cardiology on Madison Avenue is a leader in providing comprehensive cardiovascular services for the community of East Harlem, one of New York's most diverse neighborhoods. They specialize in diagnosing and treating heart-related diseases like coronary artery disease (CAD), congestive heart failure (CHF), valvular heart disease, arrhythmia, peripheral vascular disease (PAD) and stroke with their team made up largely by doctors who are black.