Dr. Zachary Clark Willis, DO

Dr. Zachary Willis is a surgeon who specializes in comprehensive surgical care with 12 years of experience in the field. He earned his medical degree from A T Still University Kirksville College of Osteopathic Medicine, where he developed his foundation in osteopathic medicine and surgical principles. His surgical practice encompasses a broad range of procedures, with particular expertise in complex cases requiring specialized intervention.

Dr. Willis is affiliated with Saint Lukes Des Peres Hospital and practices at multiple locations throughout the Saint Louis, Missouri area, including Ballwin. His clinical focus includes treating conditions such as dysplastic nevi, melanocytic nevus, and metastatic or recurrent breast cancer. He performs advanced diagnostic procedures including breast cancer screening and digital breast tomosynthesis, which provides detailed breast imaging for early detection. Dr. Willis also utilizes scintimammography, a specialized nuclear medicine technique that …helps identify breast abnormalities.