Dr. Sidney Regalado

Sebouh Gueyikian, MD, Chief of Interventional Radiology at Endeavor Health, has more than 25 years of experience using advanced imaging and minimally invasive techniques to diagnose and treat complex conditions. Working with a highly trained team, he manages even the most challenging cases with precision and care. Dr. Gueyikian combines innovation with compassion, specializing in procedures such as embolization therapies and modern interventional oncology to improve outcomes, enhance comfort and help patients fully understand their treatment options. Dr. Gueyikian is rated as a Distinguished provider by MediFind in the treatment of Triple-Negative Breast Cancer. His top areas of expertise are Ascites, Visceromegaly, Alcoholic Cirrhosis, Liver Embolization, and Bone Graft.

Marc Alonzo, MD, an interventional radiologist at Endeavor Health, performs minimally invasive procedures to diagnose and treat a wide range of conditions including cancer, kidney disease and vascular disorders. He values patient communication and takes pride in helping people feel more comfortable during stressful procedures. Dr. Alonzo is particularly involved in interventional oncology, where advanced imaging and targeted therapies like radioembolization and thermal ablation offer new hope for patients with tumors in the liver, lungs and kidneys. Dr. Alonzo is rated as a Distinguished provider by MediFind in the treatment of Triple-Negative Breast Cancer. His top areas of expertise are Peritonitis, Secondary Peritonitis, Ascites, Vertebroplasty, and Bone Graft.

Kenny Yoo is an Interventional Radiologist in Zion, Illinois. Dr. Yoo is rated as a Distinguished provider by MediFind in the treatment of Triple-Negative Breast Cancer. His top areas of expertise are Familial Colorectal Cancer, Lung Cancer, Lymphofollicular Hyperplasia, and Familial Pancreatic Cancer.