Dr. Ghassan Zalzaleh specializes in internal medicine in Oak Lawn area. Dr. Ghassan Zalzaleh, MD has a medical practice at 4400 West 95th Street, Suite 311, Oak Lawn IL, and has over 30 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1987. He is affiliated with numerous hospitals, including Advocate Christ Hospital & Medical Center (IL) and more. Dr. Zalzaleh is accepting new patients at his medical office and practice location in Oak Lawn, Illinois. He is available for appointments, preventative care, medical care as well as ongoing patient care.