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 Cancer Care at Mayo Clinic Cardiovascular Medicine Early-Onset and Hereditary GI Cancers Program Early-Onset Colorectal Cancer Group Head and Neck Cancer Center Lung Cancer Program Ocular Oncology Program Pediatric Hematology/Oncology Proton Beam Therapy Program Radiation Oncology Doctors who perform this procedure Edit search filters close Narrow your search By location Rochester, MN Phoenix/Scottsdale, AZ Jacksonville, FL 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 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 Find a doctor 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 21-30 out of 50 doctors available Eric J. Lehrer, M.D. Radiation Oncologist Rochester, MN Areas of focus: Radiation therapy, Stereotactic radiosurgery, Proton therapy, Stereotactic body radiotherapy, Intensity-modulated radia...tion therapy, 3D conformal radiotherapy, Gamma knife surgery, Meningioma, Brain cancer, Brain metastasis, Glioma, Pituitary tumor, Chondrosarcoma, Glioblastoma, Bone metastasis, Chordoma, Choroidal melanoma Show more areas of focus for Eric J. Lehrer, M.D. Scott C. Lester, M.D. Radiation Oncologist Rochester, MN Areas of focus: Radiation therapy, Proton therapy, External beam radiation therapy, Total body irradiation, Head and neck cancer, Skin ...cancer, Lymphoma, Cutaneous t-cell lymphoma, Skull base tumor, Adenoid cystic carcinoma, Leukemia, Plasma cell disorders Show more areas of focus for Scott C. Lester, M.D. Wei Liu, Ph.D. Radiation Oncology Medical Physicist Phoenix, AZ Areas of focus: Proton therapy, Image-guided radiation therapy, Brain cancer, Head and neck cancer, Lung cancer, Pancreatic cancer, Eso...phageal cancer Show more areas of focus for Wei Liu, Ph.D. Daniel J. Ma, M.D. Radiation Oncologist Rochester, MN Areas of focus: Radiation therapy, Proton therapy, Stereotactic body radiotherapy, Intensity-modulated radiation therapy, Oral and thro...at cancer, Thyroid cancer, Head and neck cancer, Skull base tumor, Salivary gland tumor, Nasopharyngeal carcinoma, Laryngeal cancer, Oropharyngeal cancer Show more areas of focus for Daniel J. Ma, M.D. Jiasen Ma, Ph.D. Radiation Oncology Medical Physicist Rochester, MN Areas of focus: Proton therapy, Image-guided radiation therapy, Brachytherapy, Stereotactic body radiotherapy, Intensity-modulated radi...ation therapy Show more areas of focus for Jiasen Ma, Ph.D. Lin Ma, Ph.D. Radiation Oncology Medical Physicist Rochester, MN Areas of focus: Proton therapy, Stereotactic body radiotherapy Timothy D. Malouff, M.D. Radiation Oncologist Rochester, MN Areas of focus: Radiation therapy, Proton therapy, Stereotactic body radiotherapy, VMAT, Proton therapy for prostate cancer, Radiation ...therapy for prostate cancer, Intensity-modulated radiation therapy, Breast cancer, Head and neck cancer, Skin cancer, Prostate cancer, Bladder cancer, Testicular cancer, Bone metastasis, Penile cancer Show more areas of focus for Timothy D. Malouff, M.D. Arman Mashayekhi, M.D. Ophthalmologist Jacksonville, FL Areas of focus: Radiation therapy, Proton therapy, Macular degeneration, Diabetic retinopathy, Eye melanoma, Uveal melanoma, Vitreoreti...nal lymphoma, Conjunctival melanoma Show more areas of focus for Arman Mashayekhi, M.D. Lisa A. McGee, M.D. Radiation Oncologist Phoenix, AZ Areas of focus: Radiation therapy, Proton therapy, Radiation therapy for breast cancer, Breast cancer, Head and neck cancer Kenneth W. Merrell, M.D. Rochester, MN Areas of focus: Radiation therapy, Proton therapy, Intensity-modulated radiation therapy, Pancreatic neuroendocrine tumor, Neuroendocri...ne tumor Show more areas of focus for Kenneth W. Merrell, M.D. Pagination Doctor search PrevPrevious Page Go to page 11 Go to page 22 Go to page 33 Go to page 44 Go to page 55 NextNext Page Research Profiles Edit search filters close Narrow your search By location Arizona Florida Minnesota View all View all physicians • All Locations Hallemeier, Chris L. M.D. Minnesota James, Sarah E. M.D., Ph.D. Arizona Laack, Nadia N. M.D. Minnesota By Mayo Clinic Staff Request an appointment About July 22, 2023 PrintShow 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. Medical review (expert opinion). Mayo Clinic. May 9, 2021. Related Acoustic neuroma (vestibular schwannoma) Acromegaly Cancer Chondrosarcoma Chordoma Craniopharyngioma Eye melanoma Head and neck cancers Liver cancer Lung cancer Neuroblastoma Pancreatic cancer Pediatric brain tumors Pituitary tumors Prostate cancer Proton beam therapy Skull base tumors Spinal cord tumor Spinal tumor Show more related content News from Mayo Clinic Prostate cancer: screening and treatment options Fighting glioblastoma -- one of the deadliest forms of brain cancer World Cancer Day: Making a commitment to close the cancer care gap Cancer is tough. Evelyn Owens is tougher Mayo Clinic Q&A: Using radiation therapy to treat brain tumors MEDIA ADVISORY: Mayo Clinic celebrates the topping-off of the new proton beam therapy facility (VIDEO) Using proton beam therapy on the heart (VIDEO) Breakthrough in the fight against glioblastoma Breakthrough in treatment approach showing promise in the fight against glioblastoma, the deadliest and most aggressive type of brain cancer 10 years, 10,000 lives: Mayo experts highlight the journey and future of proton beam and particle therapy at Mayo Clinic Mayo Clinic leads 4 decades of advances in breast cancer care Joint study finds proton beam therapy helps patients with throat cancer live longer with fewer side effects Show more news 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 by U.S. News & World Report. Learn more about this top honor Proton therapyAboutDoctors&Departments PRC-20185454 Tests & Procedures Proton therapy