MCL Health Center Grayslake, Illinois MCL Health Center – Grayslake, Illinois 1170 E Belvidere Rd Suite 105Grayslake, IL 60030 Phone: (847) 665-9552 Hours of Operation:Monday & Wednesday, 10 a.m. – 7 p.m.Tuesday, Thursday, Friday, 8 a.m. – 5 p.m.(Closed for lunch 1 p.m. – 2 p.m.) Meet your care team More details coming soon