Dr. Patrick S. Lay is a Illinois state licensed medical doctor, specializing in Internal Medicine. Graduated Magna Cum Laude from University of Hong Kong Medical School, completed residency training in Princess Margaret Hospital, Dr. Lay currently is working at NorthShore University HealthSystem, located in 6450 W. Touhy Ave, Niles IL 60714 Please call +1-847.663.8350 to contact. Access cdoc101.com on a desktop computer to view more details. | |||