Dr. Lori Medeiros specializes in treating breast diseases and performing breast surgery, including IORT. She is board certified by the American Board of Surgeons and the Royal College of Physicians and Surgeons of Canada. She is also certified in breast ultrasound through the Society of Breast Surgeons.

She both received her medical degree and completed her specialty training at McGill University. She is also an engaged participant in several medical organizations and initiatives including the American Society of Breast Surgeons; the Mastery of Breast Surgery Continuing Quality Initiative; the American College of Surgeons and the American Board of Surgery.