Dr. Zaher Qassem, MD

Dr. Zaher Qassem is a pulmonologist with expertise in critical care medicine and internal medicine. He earned his medical degree from the University of Damascus Faculty of Medicine and completed his residency at Morehouse School of Medicine. With 28 years of experience treating complex respiratory conditions, Dr. Qassem brings extensive knowledge to patient care. He is fluent in English and Spanish.

Dr. Qassem practices at multiple locations throughout Rockford, Illinois, including Mercyhealth Physician Clinic Rockton and Mercy Health Physicians Pulmonary Disease. He also provides care at Javon Bea Hospital Riverside. His clinical focus includes treating COPD and chronic lung disease, particularly in patients with multiple health conditions. Dr. Qassem performs specialized testing such as pulmonary function testing and bronchodilator reversibility testing to help diagnose and monitor breathing disorders. Patients have given him an average rating of 4.3 on Vitals.