Print Departments and specialties Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Departments that treat this condition Breast and Melanoma Surgical Oncology in Rochester Breast Clinic Breast Surgical Oncology in Jacksonville Cancer Care at Mayo Clinic Cancer survivorship clinics Familial Cancer Program High Risk Breast Clinic Oncology (Medical) Plastic Surgery Proton Beam Therapy Program Radiation Oncology Radiology Surgery Surgical Oncology and Endocrine Surgery in Arizona Women's Health Areas that research this condition Radiology Research Doctors who treat this condition Edit search filters close Narrow your search By location Jacksonville, FL Rochester, MN By last name Find a doctor whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D Find a doctor whose last name begins with the letter E E There are no doctors whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H There are no doctors whose last name begins with the letter I I Find a doctor whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M Find a doctor whose last name begins with the letter N N active Find a doctor whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q Find a doctor whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U Find a doctor whose last name begins with the letter V V There are no doctors whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X Find a doctor whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 1-2 out of 2 doctors available Last Name Initial: O Ciara O'Sullivan, M.B., B.Ch. Oncologist Rochester, MN Areas of focus: Breast cancer, Brain metastasis, HER2-positive breast cancer Oluwadamilola T. Oladeru, M.D., M.B.A. Radiation Oncologist Jacksonville, FL Areas of focus: Radiation therapy for breast cancer, Brachytherapy, Breast cancer, Endometrial cancer, Cervical cancer, Ductal carcinom...a in situ, Inflammatory breast cancer, Male breast cancer, Phyllodes tumor Show more areas of focus for Oluwadamilola T. Oladeru, M.D., M.B.A. Research Mayo Clinic doctors and scientists are continually working to improve breast cancer diagno