Dr. Ronald Bays is a vascular surgeon in Saginaw, MI and is affiliated with multiple hospitals in the area, including McLaren Bay Region, St. Mary's of Michigan Standish Hospital, Covenant Healthcare, and Aleda E. Lutz Veterans Affairs Medical Center. He received his medical degree from Indiana University School of Medicine and has been in practice 29 years. He is experienced in peripheral vascular disease, carotid disease, aortic surgery, endovascular surgery, and thoraco-abdominal aneurysm repair.