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 with related expertise Brain Tumor Program Cardiovascular Medicine Early Onset and Hereditary GI Cancers Program Head and Neck Cancer Center Lung Cancer Program Ocular Oncology Program Proton Beam Therapy Program Radiation Oncology Doctors who perform this procedure Edit search filters close Narrow your search By location Phoenix/Scottsdale, AZ 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 There are no doctors 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 active 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 There are no doctors 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 There are no doctors 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: J Sarah E. James, M.D., Ph.D. Radiation Oncologist Phoenix, AZ Areas of focus: Proton therapy, Brachytherapy, External beam radiation therapy, Testicular cancer, Prostate cancer, Cervical cancer, En...dometrial cancer, Breast cancer, Bladder cancer, Urethral cancer Show more areas of focus for Sarah E. James, M.D., Ph.D. Jed E. Johnson, Ph.D. Radiation Oncology Medical Physicist Rochester, MN Areas of focus: Proton therapy, Brachytherapy, Stereotactic body radiotherapy, IGRT By Mayo Clinic Staff Request an appointment About July 22, 2023 Print Show references Greenberger BA, et al. The role of proton therapy in pediatric malignancies: Recent advances and future directions. Seminars in Oncology. 2020; doi:10.1053/j.seminoncol.2020.02.002. LaRiviere MJ, et al. Proton therapy. Hematology/Oncology Clinics of North America. 2019; doi:10.1016/j.hoc.2019.08.006. Rackwitz T, et al. Clinical applications of proton and carbon ion therapy. Seminars in Oncology. 2019; doi:10.1053/j.seminoncol.2019.07.005. Proton therapy. Radiological Society of North America. https://www.radiologyinfo.org/en/info.cfm?pg=protonthera. Accessed April 15, 2021. Mitin T. Radiation therapy techniques in cancer treatment. https://www.uptodate.com/contents/search. Accessed April 15, 2021. Ofuya M, et al. Systematic review of methodology used in clinical studies evaluating the benefits of proton beam therapy. 2019; doi:10.1016/j.ctro.2019.07.002. Tsang DS. Proton beam therapy for cancer. Canadian Medical Association Journal. 2019; doi: 10.1503/cmaj.190008. Flint PW, et al., eds. Radiotherapy for head and neck cancer: Radiation physics, radiobiology and clinical principles. In: Cummings Otolaryngology: Head & Neck Surgery. 7th ed. Elsevier; 2021. https://www.clinicalkey.com. Accessed April 15, 2021. Frank SJ, et al., eds. Principles of proton beam therapy. In: Proton Therapy. Elsevier; 2021. https://www.clinicalkey.com. Accessed April 15, 2021. Fabiano S, et al. Combined proton-photon treatments — A new approach to proton therapy without a gantry. Radiotherapy and Oncology. 2020; doi:10.1016/j.radonc.2019.12.013. Forsthoefel MK, et al. Early experience of the first single-room gantry mounted active scanning proton therapy system at an integrated cancer center. Frontiers in Oncology. 2020; doi:10.3389/fonc.2020.00861. Foote RL (expert opinion). Mayo Clinic. May 9, 2021. Related Craniopharyngioma Eye melanoma Head and neck cancers Liver cancer Lung cancer Pancreatic cancer Pediatric brain tumors Pituitary tumors Prostate cancer Proton beam therapy Spinal cord tumor Show more related content News from Mayo Clinic Mayo Clinic Q&A: Using radiation therapy to treat brain tumors April 29, 2024, 12:45 p.m. CDT Cancer is tough. Evelyn Owens is tougher Feb. 26, 2024, 05:15 p.m. CDT World Cancer Day: Making a commitment to close the cancer care gap Feb. 04, 2024, 12:00 p.m. CDT Prostate cancer: screening and treatment options Jan. 22, 2024, 11:55 p.m. CDT Fighting glioblastoma -- one of the deadliest forms of brain cancer Jan. 02, 2024, 06:14 p.m. CDT Mayo Clinic Comprehensive Cancer Center highlights research advances in 2023 Dec. 21, 2023, 10:19 p.m. CDT Mayo Clinic study reveals proton beam therapy may shorten breast cancer treatment Sept. 08, 2023, 11:30 p.m. CDT Mayo Clinic Minute: Breaking through radiation therapy myths July 26, 2023, 04:00 p.m. CDT Mayo Clinic Q&A podcast: Proton beam therapy offers benefits to patients with breast cancer Oct. 25, 2022, 12:32 p.m. CDT Upper Midwest Emmys recognize Mayo Clinic for storytelling excellence Oct. 17, 2022, 03:00 p.m. CDT $100 million gift from Fred C. and Katherine B. Andersen Foundation to expand Mayo Clinic's proton beam therapy services in Minnesota Oct. 10, 2022, 02:59 p.m. CDT Against the odds Sept. 29, 2022, 11:00 a.m. CDT Show more news from Mayo Clinic Products & Services Mayo Clinic Comprehensive Cancer Center Sign up for Email: Get Your Free Resource – Coping with Cancer Show more products and services from Mayo Clinic 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 Proton therapyAboutDoctors&Departments PRC-20185454 patient-care-and-health-information tests-procedures Proton therapy