Dr. William Greg Marzullo, MD

Dr. William Marzullo is a family medicine physician who earned his medical degree from the University of Toledo College of Medicine. With three decades of practice, he brings extensive experience in comprehensive primary care for patients of all ages. His long-standing career has taken him across multiple locations, allowing him to develop a broad understanding of diverse patient populations and healthcare needs.

Dr. Marzullo practices at several locations including Barrigada and Mangilao, Guam, as well as Las Vegas, Nevada and Payson, Arizona. He has worked with various healthcare institutions, including American Medical Center and federal medical facilities. His family medicine background allows him to provide preventive care, manage chronic conditions, and address acute health concerns for entire families throughout their lives.