North Suburban Cardiology Group is a partnership of physicians and offers a range of health care services. Its physicians specialize in cardiac research and rehabilitation, electrophysiology and coronary care. The group conducts various invasive and noninvasive procedures, including balloon valvuloplasty, angioscopy, pacemaker implantation, atherectomy, myocardial mapping, electrophysiology, echocardiogram and stent implantation. It also performs holter, arrhythmia and event monitoring, treadmill testing, peripheral artery angioplasty, signal averaging and brachytherapy. In addition, North Suburban Cardiology Group offers several outpatitient services that include vascular Doppler and pacemaker analysis. With a location in Evanston, Ill., it also maintains offices in, Glenview and Winnetka, Ill.