Understanding the COMPLEX USA exam format can feel like an intimidating journey, but understanding its intricacies is your first step toward success. As aspiring osteopathic physicians, you’re tasked with mastering not just the art of medicine but also the daunting challenge of the complex exam format. The National Board of Osteopathic Medical Examiners has crafted an elaborate blueprint that requires you to traverse through various levels, each testing a different aspect of your medical knowledge and clinical skills.