Doctors 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. Find doctors and medical staff: Edit search filters close Narrow your search Doctor's Name, Condition Or Procedure By location Rochester, MN Jacksonville, FL Phoenix/Scottsdale, AZ 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 There are no doctors whose last name begins with the letter E E Find a doctor 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 active 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 Find a doctor whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P Find a doctor 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 Find a doctor 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 By conditions treated No results found By procedures performed No results found By spoken language No results found 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 1-6 out of 6 doctors available Last Name Initial: L Are new patients being accepted? Mayo Clinic is always welcoming new patients. When requesting an appointment, you will be matched with the best care team for your specific needs. Nadia N. Laack, M.D. Radiation Oncologist Rochester, MN Areas of focus: Proton therapy, Stereotactic radiosurgery, Intensity-modulated radiation therapy, Stereotactic body radiotherapy, Gamma... knife surgery, Brain tumor, Lymphoma, Wilms' tumor, Ewing sarcoma, Pediatric brain tumor, Neuroblastoma, Rhabdomyosarcoma, Sarcoma, Osteosarcoma Show more areas of focus for Nadia N. Laack, M.D. James L. Leenstra, M.D. Internist Radiation Oncologist Rochester, MN Areas of focus: Cancer treatment, Stereotactic body radiotherapy, Breast cancer, Lung cancer, Prostate cancer, Head and neck cancer Scott C. Lester, M.D. Radiation Oncologist Rochester, MN Areas of focus: Proton therapy, Radiation therapy, Brachytherapy, External beam radiation therapy, Total body irradiation, Lymphoma, Le...ukemia, Skin cancer, Head and neck cancer, Plasma cell disorders, Adenoid cystic carcinoma, Cutaneous t-cell lymphoma, Skull base tumor Show more areas of focus for Scott C. Lester, M.D. Xiaoying Liang, Ph.D. Radiation Oncology Medical Physicist Jacksonville, FL Wei Liu, Ph.D. Radiation Oncology Medical Physicist Phoenix, AZ Areas of focus: Proton therapy, IGRT, Lung cancer, Head and neck cancer, Brain cancer John J. Lucido, III, Ph.D. Medical Physicist Rochester, MN Request an appointment Conditions treatedSpecialty groups May 09, 2023 Share on: FacebookTwitter Mayo Clinic in Rochester, Minnesota, Mayo Clinic in Jacksonville, Florida, and Mayo Clinic in Phoenix/Scottsdale, Arizona, have been recognized among the top Cancer hospitals in the nation for 2023-2024 by U.S. News & World Report. Learn more about this top honor Radiation OncologyDepartmenthomeSectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20180180 Medical Departments & Centers Radiation Oncology One gift, 3X the impact Give NowJoin our Year-End Challenge and triple your gift to help shape the future of healthcare! Give Now