Specialty: Interventional Radiology. A board certified and fellowship trained interventional radiologist, Dr. Joseph DeMarco treats his patients through just a pinhole using image-guided technology in a unique non-hospital outpatient setting at Summit Health’s state-of-the-art Interventional Radiology Suite in Florham Park, NJ. Dr. DeMarco specializes in treating compression fractures with kyphoplasty; kidney, liver, and bone ablation; liver, uterine fibroid, and prostate embolization; and spinal cord stimulators to treat painful neuropathy.