Mercyhealth welcomes cardiologist CRYSTAL LAKE and HARVARD, Illinois—Mercyhealth is pleased to welcome Danny Cho, DO, cardiologist, to Mercyhealth Heart and Vascular Center–Crystal Lake, 875 S. Route 31, Crystal Lake, and Mercyhealth Heart and Vascular Center–Harvard, 1001 Grant St., Harvard. “One focus of my care is preventive medicine, helping patients optimize the management of chronic conditions to reduce the risk of future complications,” said Dr. Cho. “I want my patients to truly understand their