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.

Doctors who perform this procedure

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Displaying 41-50 out of 52 doctors available

  1. William G. Rule, M.D.

    William G. Rule, M.D.

    1. Radiation Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Radiation therapy, Proton therapy, Stereotactic body radiotherapy, Intraoperative radiation therapy, Intensity-modulate...d radiation therapy, Colon cancer, Liver cancer, Pancreatic cancer, Neuroendocrine tumor, Multiple myeloma, Rectal cancer, Stomach cancer, Cholangiocarcinoma, Esophageal cancer, Leukemia, Lymphoma, Pancreatic neuroendocrine tumor, Anal cancer, Small bowel cancer, Primary mediastinal large B-cell lymphoma

  2. Jean-Claude M. Rwigema, M.D.

    Jean-Claude M. Rwigema, M.D.

    1. Radiation Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Radiation therapy, Proton therapy, Stereotactic body radiotherapy, Stereotactic radiosurgery, Proton therapy for prosta...te cancer, Radiation therapy for prostate cancer, Intensity-modulated radiation therapy, Prostate cancer, Bladder cancer, Head and neck cancer, Renal cell carcinoma, Testicular cancer

  3. Yasamin Sharifzadeh-Moghaddam, M.D.

    Yasamin Sharifzadeh-Moghaddam, M.D.

    1. Radiation Oncologist
    1. Rochester, MN
    Areas of focus:

    Radiation therapy, Brachytherapy, Proton therapy, Intraoperative radiation therapy, Proton therapy for prostate cancer,... Radiation therapy for prostate cancer, Osteoarthritis, Colon cancer, Liver cancer, Prostate cancer, Bladder cancer, Pancreatic cancer, Kidney cancer, Rectal cancer, Plantar fasciitis, Cholangiocarcinoma, Esophageal cancer, Dupuytren contracture, Anal cancer, Penile cancer, Urethral cancer

  4. Jason Shen, Ph.D.

    Jason Shen, Ph.D.

    1. Radiation Oncology Medical Physicist
    1. Phoenix, AZ
    Areas of focus:

    Radiation therapy, Proton therapy

  5. Alex D. Sherry, M.D.

    Alex D. Sherry, M.D.

    1. Radiation Oncologist
    1. Rochester, MN
    Areas of focus:

    Proton therapy, Stereotactic body radiotherapy, External beam radiation therapy, Proton therapy for prostate cancer, Ra...diation therapy for prostate cancer, Intensity-modulated radiation therapy, Liver cancer, Prostate cancer, Bladder cancer, Pancreatic cancer, Kidney cancer, Rectal cancer, Stomach cancer, Cholangiocarcinoma, Esophageal cancer, Testicular cancer, Anal cancer

  6. Dean A. Shumway, M.D.

    Dean A. Shumway, M.D.

    1. Radiation Oncologist
    1. Rochester, MN
    Areas of focus:

    Radiation therapy for breast cancer, Proton therapy, Breast cancer

  7. Terence T. Sio, M.D., M.S.

    Terence T. Sio, M.D., M.S.

    1. Radiation Oncologist
    2. Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Radiation therapy, Brain stereotactic radiosurgery, Proton therapy, Stereotactic body radiotherapy, Stereotactic radios...urgery, Intraoperative radiation therapy, Intensity-modulated radiation therapy, Colon cancer, Liver cancer, Hepatocellular carcinoma, Pancreatic cancer, Neuroendocrine tumor, Meningioma, Acoustic neuroma, Rectal cancer, Pituitary tumor, Chordoma, Lung cancer, Brain cancer, Brain tumor, Stomach cancer, Cholangiocarcinoma, Esophageal cancer, Brain metastasis, Glioblastoma, Astrocytoma, Oligodendroglioma, Neurofibromatosis, Glioma, Ependymoma, Spinal cord tumor, Ampullary cancer, Pilocytic astrocytoma, Pancreatic neuroendocrine tumor, Gallbladder cancer, Anal cancer, Spinal tumor, Gastrointestinal stromal tumor, Neurofibroma, Small bowel cancer, Choroid plexus papilloma

  8. Josh B. Stoker, Ph.D.

    Josh B. Stoker, Ph.D.

    1. Radiation Oncology Medical Physicist
    1. Phoenix, AZ
    Areas of focus:

    Proton therapy

  9. Carlos E. Vargas, M.D.

    Carlos E. Vargas, M.D.

    1. Radiation Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Radiation therapy for breast cancer, Proton therapy, Proton therapy for prostate cancer, Radiation therapy for prostate... cancer, Prostate cancer, Breast cancer, Bladder cancer, Head and neck cancer, Testicular cancer

  10. Sujay A. Vora, M.D.

    Sujay A. Vora, M.D.

    1. Radiation Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Brachytherapy, Proton therapy, Stereotactic body radiotherapy, Stereotactic radiosurgery, Intensity-modulated radiation... therapy, Meningioma, Acoustic neuroma, Pituitary tumor, Chordoma, Gynecologic cancer, Brain tumor, Brain metastasis, Glioblastoma, Astrocytoma, Oligodendroglioma, Neurofibromatosis, Glioma, Ependymoma, Spinal cord tumor, Pilocytic astrocytoma, Nerve sheath tumor, Neurofibroma, Plexiform neurofibroma, Choroid plexus papilloma

Research

Mayo Clinic doctors and researchers are actively studying and refining proton therapy techniques. They conduct clinical trials to improve treatment outcomes and understand the benefits of proton therapy for various cancers.

Cancer research is conducted in coordination with Mayo Clinic Comprehensive Cancer Center. Mayo Clinic Comprehensive Cancer Center receives funding from the National Cancer Institute and is designated as a comprehensive cancer center. This designation recognizes the institution's scientific excellence and multidisciplinary resources focused on cancer prevention, diagnosis and treatment.

Publications

See a list of publications about proton therapy by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine.

Research Profiles

April 29, 2026
  1. Frank SJ, et al., eds. Principles of proton beam therapy. In: Proton Therapy. Elsevier; 2021. https://www.clinicalkey.com. Accessed June 3, 2025.
  2. Mitin T. Radiation therapy techniques in cancer treatment. https://www.uptodate.com/contents/search. Accessed June 3, 2025.
  3. Dmochowski RR, et al., eds. Radiation therapy for prostate cancer. In: Campbell-Walsh-Wein Urology. 13th ed. Elsevier; 2026. https://www.clinicalkey.com. Accessed June 3, 2025.
  4. Proton therapy. RadiologyInfo.org. https://www.radiologyinfo.org/en/info.cfm?pg=protonthera. Accessed June 3, 2025.
  5. DiBase SJ, et al. External beam radiation therapy for localized prostate cancer. https://www.uptodate.com/contents/search. Accessed June 3, 2025.
  6. Proton beam therapy. RT Answers. https://www.rtanswers.org/cancer-types/brain-tumors/treatment-types/proton-beam-therapy. Accessed June 3, 2025.
  7. What to expect. RT Answers. https://www.rtanswers.org/what-is-radiation-therapy/what-to-expect. Accessed June 3, 2025.
  8. External beam radiation therapy for cancer. National Cancer Institute. https://www.cancer.gov/about-cancer/treatment/types/radiation-therapy/external-beam. Accessed June 3, 2025.
  9. Find a proton therapy center near you. The National Association for Proton Therapy. https://proton-therapy.org/findacenter. Accessed June 3, 2025.
  10. Salem PP, et al. Proton radiation therapy: A systematic review of treatment-related side effects and toxicities. International Journal of Molecular Sciences. 2024; doi:10.3390/ijms252010969.
  11. Yang JT, et al. Randomized phase II trial of proton craniospinal irradiation versus photon involved-field radiotherapy for patients with solid tumor leptomeningeal metastasis. Journal of Clinical Oncology. 2022; doi:10.1200/JCO.22.01148.
  12. What is proton therapy? The National Association for Proton Therapy. https://proton-therapy.org/faq. Accessed March 25, 2026.
  13. Health Education & Content Services. An introduction to radiation treatment. Mayo Clinic; 2026.
  14. Medical review (expert opinion). Mayo Clinic. April 4, 2026.