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

  1. Oncologist
  2. Radiation Oncologist
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Departamentos

Grupos especializados

Location

  1. Phoenix, Arizona

Idiomas

CantoneseChineseEnglish

Pacientes existentes

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 body radiotherapy (SBRT) and stereotactic radiosurgery (SRS). He has a strong interest in ion beam radiotherapies internationally.

Along with his other honors and awards, Dr. Sio is a peer-selected "Top Doc" in the Valley by the PHOENIX magazine (2025). He is board-certified by the American Board of Radiology, and uses ionizing radiation and proton beam therapies to treat malignant and also benign diseases.

  1. Acoustic neuroma
  2. Ampullary cancer
  3. Anal cancer
  4. Astrocytoma
  5. Benign brain tumor
  6. Brain cancer
  7. Brain metastasis
  8. Brain tumor
  9. Cholangiocarcinoma
  10. Chordoma
  11. Choroid plexus papilloma
  12. Colon cancer
  13. Ependymoma
  14. Esophageal cancer
  15. Gallbladder cancer
  16. Gastrointestinal stromal tumor
  17. Glioblastoma
  18. Glioma
  19. Hepatocellular carcinoma
  20. Liver cancer
  21. Lung cancer
  22. Meningioma
  23. Neuroendocrine tumor
  24. Neurofibroma
  25. Neurofibromatosis
  26. Oligodendroglioma
  27. Pancreatic cancer
  28. Pancreatic neuroendocrine tumor
  29. Pilocytic astrocytoma
  30. Pituitary tumor
  31. Rectal cancer
  32. Small bowel cancer
  33. Spinal cord tumor
  34. Spinal tumor
  35. Stomach cancer
  1. Brain stereotactic radiosurgery
  2. Intensity-modulated radiation therapy
  3. Intraoperative radiation therapy
  4. Proton therapy
  5. Radiation therapy
  6. Stereotactic body radiotherapy
  7. Stereotactic radiosurgery
  • 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. 2026
    FellowAmerican Society of Radiation Oncology (FASTRO)
  2. 2026
    Distinguished Professor LI Shu Pui LecturerHong Kong Sanatorium & Hospital System
  3. 2026
    Peer-selected "Top Doc" in the Valley – Top Vote-GetterPhoenix Magazine
  4. 2025
    Peer-selected "Top Doc" in the Valley – Top Vote-GetterPhoenix Magazine
  5. 2023
    2023 RO-ILS Radiation Oncology Safety Star AwardASTRO Quality Council, American Society for Radiation Oncology (ASTRO)
  6. 2022
    Mayo Clinic Experience Top Performing Provider Award (2021)Mayo Clinic
  7. 2020
    International Atomic Energy Agency (IAEA) FellowshipInternational Proton Beam Radiotherapy Educational Program and Training, Mayo Clinic Arizona
  8. 2015
    Roentgen Resident/Fellow Research AwardDepartment of Radiation Oncology
  9. 2010
    Alpha Omega Alpha Medical SocietyBrown Medical School

Professional memberships

  1. 2026 - present
    Vice ChairEnvironmental Health, Safety and Security Subcommittee, Clinical Practice Committee - Arizona, Executive Operations Team - Arizona
  2. 2026 - present
    ChairPayer Relations Committee, Payer Relations Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  3. 2026 - present
    ChairPayer Relations Committee, Health Policy Council, American Society for Therapeutic Radiology and Oncology (ASTRO)
  4. 2025 - present
    Vice ChairAccreditation and Regulatory Subcommittee, Quality
  5. 2024 - present
    Vice ChairFaculty Development, Department of Radiation Oncology
  6. 2024 - present
    ChairQuality and Surveillance and Incident-Learning System (SAILS), Department of Radiation Oncology
  7. 2024 - present
    ChairSafety and Incident Learning System (SAILS), Department of Radiation Oncology
  8. 2024 - present
    ChairQuality Assurance Committee, Department of Radiation Oncology
  9. 2023 - 2026
    Co-Vice ChairPayer Relations Committee, Payer Relations Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  10. 2023 - present
    MemberRadiation Oncology Institute (ROI) Development Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  11. 2023 - present
    Vice ChairLutetium Lu - 177 Dotatate Guidelines Working Group, Appropriateness Criteria, American College of Radiology (ACR)
  12. 2023 - present
    Physician MemberIntensity Modulated Radiation Therapy (IMRT) Model Policy Working Group, Guidelines Committee, Quality Council
  13. 2022
    ReviewerProton Beam Therapy (PBT) Model Policy Working Group, Guidelines Committee, Quality Council
  14. 2022 - present
    Co-ChairSymptom Intervention-Health Disparities Working Group, Alliance for Clinical Trials in Oncology
  15. 2022 - present
    MemberMembership Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  16. 2021 - present
    MemberAmerican College of Radiology (ACR)
  17. 2019 - present
    MemberNuclear Regulatory Commission (NRC) Subcommittee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  18. 2019 - present
    MemberAmerican College of Radiation Oncology (ACRO)
  19. 2017 - present
    FacultyMayo Clinic Alix School of Medicine, Mayo Clinic in Arizona
  20. 2017 - 2020
    Member/ Abstract ReviewerAnnual Meeting, Gastrointestinal Malignancy Scientific Tract, American Society for Therapeutic Radiology and Oncology (ASTRO)
  21. 2016 - present
    MemberNRG Oncology
  22. 2016 - present
    MemberResearch Executive Committee (ROREC), Department of Radiation Oncology, Mayo Clinic in Arizona
  23. 2016 - 2021
    MemberAmerican Society of Clinical Oncology
  24. 2013 - 2015
    MemberARRO Global Health Subcommittee, American Society for Therapeutic Radiology and Oncology (ASTRO)
  25. 2011 - present
    MemberRare Cancer Network
  26. 2010 - present
    Lifetime MemberTau Beta Pi (TBP) Engineering Honor Society
  27. 2010 - present
    Lifetime MemberAlpha Omega Alpha Honor Medical Society

Publications