Diego Santos Toesca, M.D.

Diego A. Santos Toesca, M.D., is a radiation oncologist at Mayo Clinic who specializes in delivering precise, personalized radiation treatments for patients with cancer. He is committed to helping patients achieve the best possible outcomes while minimizing side effects and maintaining quality of life.

Dr. Santos Toesca cares for patients with a variety of cancers and has particular interest in genitourinary and head and neck cancers, proton therapy, adaptive radiation therapy, and advanced radiation techniques. His research focuses on improving the safety, effectiveness, and accessibility of radiation treatment through clinical trials and technological innovation.

He believes that exceptional cancer care combines scientific excellence with compassion, clear communication, and shared decision-making. Dr. Santos Toesca works closely with each patient and their care team to develop individualized treatment plans that reflect the patient's goals, values, and unique circumstances.