Dr. Klem graduated from Rush Medical College of Rush University Medical Center in 1991 and has been in practice for 27 years. He completed a residency at Rush Presbyterian St Lukes Medical Center. Dr. Klem also specializes in Bariatric Medicine (Obesity Medicine). He currently practices at DuPage Surgical Consultants Ltd and is affiliated with Central DuPage Hospital. Dr. Klem accepts multiple insurance plans including Aetna, Medicare and Blue Cross Blue Shield of Illinois. Dr. Klem also practices at Winfield Pathology Consultants SC in Winfield, IL.