About Western Slope Cardiology: Echocardiogram, Cardiac Catheterization, Physicians & Surgeons Cardiology . Established in 1991, Western Slope Cardiology is located at 2643 Patterson Rd Ste 605 in Grand Junction, CO - Mesa County and is a business listed in the categories Physicians & Surgeons, Physicians & Surgeons Cardiology, Offices Of Physicians (Except Mental Health Specialists), Offices ....