Search for a doctor

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

  1. Oncologist
  2. Radiation Oncologist

Terence T. Sio, M.D., M.S., is Professor of Radiation Oncology and radiation oncologist who specializes in both X-ray based and proton radiotherapies. His main focuses are in gastrointestinal, lung, and brain cancers including brain metastasis treatments using stereotactic radiosurgery (SRS). He has a strong interest in ion beam radiotherapies internationally.

  • Central nervous system malignancies
  • Thoracic oncology including lung cancers
  • Gastrointestinal malignancies
  • Genitourinary malignancies
  • Proton beam radiotherapies with particular focus in scanning beam technologies
  • Patient outcome, symptom control, and quality-of-life research
  • Clinical trials
  1. 2016
    Mayo Clinic Scholar - Visiting Assistant Professor (Radiation Oncology)Proton Therapy Center-Houston, MD Anderson Cancer Center
  2. 2011
    Internship - Internal MedicineUniversity of California San Francisco-Fresno
  3. 2010
    MMSc - Medical ScienceBrown University
  4. 2010
    MDBrown University
  5. 2006
    MS - Chemical Engineering Practice (M.S. CEP)Massachusetts Institute of Technology
  6. 2005
    BS - Chemical EngineeringMassachusetts Institute of Technology

Certifications

  1. 2016
    Radiation OncologyAmerican Board of Radiology

Awards and honors

  1. 2023
    2023 RO-ILS Radiation Oncology Safety Star AwardASTRO Quality Council, American Society for Radiation Oncology (ASTRO)
  2. 2022
    Mayo Clinic Experience Top Performing Provider Award (2021)Mayo Clinic
  3. 2020
    International Atomic Energy Agency (IAEA) FellowshipInternational Proton Beam Radiotherapy Educational Program and Training, Mayo Clinic Arizona
  4. 2015
    Roentgen Resident/Fellow Research AwardDepartment of Radiation Oncology
  5. 2010
    Alpha Omega Alpha Medical SocietyBrown Medical School

Professional memberships

  1. 2024 - present
    ChairSafety and Incident Learning System (SAILS), Department of Radiation Oncology
  2. 2024 - present
    ChairQuality Assurance Committee, Department of Radiation Oncology
  3. 2023 - present
    MemberRadiation Oncology Institute (ROI) Development Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  4. 2023 - present
    Vice ChairLutetium Lu - 177 Dotatate Guidelines Working Group, Appropriateness Criteria, American College of Radiology (ACR)
  5. 2023 - present
    Co-Vice ChairPayer Relations Committee, Payer Relations Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  6. 2023 - present
    Physician MemberIntensity Modulated Radiation Therapy (IMRT) Model Policy Working Group, Guidelines Committee, Quality Council
  7. 2023 - present
    ReviewerIntensity Modulated Radiation Therapy (IMRT) Model Policy Working Group, Guidelines Committee, Quality Council
  8. 2023 - present
    Co-Vice ChairPayer Relations Committee, Health Policy Council, American Society for Therapeutic Radiology and Oncology (ASTRO)
  9. 2022
    ReviewerProton Beam Therapy (PBT) Model Policy Working Group, Guidelines Committee, Quality Council
  10. 2022 - present
    Co-ChairSymptom Intervention-Health Disparities Working Group, Alliance for Clinical Trials in Oncology
  11. 2022 - present
    MemberMembership Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  12. 2021 - present
    MemberAmerican College of Radiology (ACR)
  13. 2020 - present
    Invited ExaminerGastrointestinal Cancer Committee, Radiation Oncology Oral Board, American Board of Radiology (ABR)
  14. 2019 - present
    MemberNuclear Regulatory Commission (NRC) Subcommittee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  15. 2019 - present
    MemberAmerican College of Radiation Oncology (ACRO)
  16. 2018 - 2023
    MemberPayer Relations Committee, Health Policy Council, American Society for Therapeutic Radiology and Oncology (ASTRO)
  17. 2017 - present
    FacultyMayo Clinic Alix School of Medicine, Mayo Clinic in Arizona
  18. 2017 - 2020
    Member/ Abstract ReviewerAnnual Meeting, Gastrointestinal Malignancy Scientific Tract, American Society for Therapeutic Radiology and Oncology (ASTRO)
  19. 2016 - present
    MemberNRG Oncology
  20. 2016 - present
    MemberResearch Executive Committee (ROREC), Department of Radiation Oncology, Mayo Clinic in Arizona
  21. 2016 - 2021
    MemberAmerican Society of Clinical Oncology
  22. 2015 - present
    MemberAlliance for Clinical Trials in Oncology
  23. 2013 - 2015
    MemberARRO Global Health Subcommittee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  24. 2011 - present
    MemberRare Cancer Network
  25. 2010 - present
    Lifetime MemberTau Beta Pi (TBP) Engineering Honor Society
  26. 2010 - present
    Lifetime MemberAlpha Omega Alpha Honor Medical Society

Publications