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Jonathan B. Ashman, M.D., Ph.D.

  1. Radiation Oncologist
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Departments

Specialty Groups

Location

  1. Phoenix, Arizona

Languages

English

Existing patients

  1. Acoustic neuroma
  2. Anal cancer
  3. Astrocytoma
  4. Brain metastasis
  5. Brain tumor
  6. Chordoma
  7. Choroid plexus papilloma
  8. Colon cancer
  9. Ependymoma
  10. Esophageal cancer
  11. Gallbladder cancer
  12. Glioblastoma
  13. Glioma
  14. Gynecologic cancer
  15. Meningioma
  16. Neuroendocrine tumor
  17. Neurofibroma
  18. Neurofibromatosis
  19. Oligodendroglioma
  20. Pancreatic cancer
  21. Pancreatic neuroendocrine tumor
  22. Pilocytic astrocytoma
  23. Pituitary tumor
  24. Plexiform neurofibroma
  25. Sarcoma
  26. Spine tumor
  27. Stomach cancer
  1. Brachytherapy
  2. Brain stereotactic radiosurgery
  3. Stereotactic radiosurgery
  4. Total body irradiation
  • Multidisciplinary treatment including irradiation for sarcoma (retroperitoneal and extremity), gastrointestinal (esophagus, stomach, pancreas, hepatobiliary, colorectal, anus), CNS (brain and spine), and gynecologic malignancies
  • Specialized techniques include intracranial and body stereotactic radiosurgery, intraoperative electron therapy, and brachytherapy
  1. 2006
    Chief Resident - Department of Radiation OncologyMemorial Sloan-Kettering Cancer Center
  2. 2005
    Resident - Radiation OncologyMemorial Sloan-Kettering Cancer Center
  3. 2002
    Transitional InternshipUniversity of Chicago Program B, Louis A. Weiss Memorial Hospital
  4. 2001
    MDUniversity Of Chicago Pritzker School Of Medicine
  5. 1999
    PhDCommittee on Immunology, University of Chicago
  6. 1991
    BABrown University

Certifications

  1. 2007
    Radiation OncologyAmerican Board of Radiology

Awards and honors

  1. 2025
    FellowAmerican Society for Radiation Oncology (ASTRO)
  2. 2023
    Program Director of the YearMayo Clinic School of Graduate Medical Education
  3. 2022
    Patient Experience - Top Performing Clinician AwardMayo Clinic in Arizona
  4. 2021
    2020-2021 Educator of the Year AwardAssociation of Residents in Radiation Oncology (ARRO), Department of Radiation Oncology, Mayo Clinic in Arizona
  5. 2021
    Patient Experience - Top Performing Clinician AwardMayo Clinic in Arizona
  6. 2020
    Patient Experience - Top Performing Clinician AwardMayo Clinic in Arizona
  7. 2001
    Graduation with HonorsUniversity Of Chicago Pritzker School Of Medicine
  8. 2001
    Senior Prize for Research in Radiation OncologyUniversity of Chicago
  9. 1992
    Medical Scientist Training Program GrantUniversity of Chicago
  10. 1991
    Rotary Foundation International Graduate ScholarshipUniversity of Cambridge
  11. 1991
    Graduation with Honors in Biological SciencesBrown University
  12. 1991
    Albert Arnold Bennett Class of 1872 Award for Excellence in BiologyBrown University
  13. 1991
    Division I Varsity Baseball Team Member; 4-year Letter RecipientBrown University
  14. 1987
    National Merit Scholarship FinalistNew Trier Township High School

Professional memberships

  1. 2025 - present
    Co-FounderRectal Cancer Multidisciplinary Clinic, Radiation Oncology, Department of Radiology
  2. 2025 - present
    FellowAmerican Society for Radiation Oncology
  3. 2025 - present
    MemberNational Association for Proton Therapy (NAPT); Physician Advisory Committee
  4. 2024 - present
    Medical DirectorMayo Clinic Proton Therapy Program, Mayo Clinic
  5. 2024 - present
    Co-LeaderTri-Site Mayo Clinic Particle Therapy Program
  6. 2023 - 2025
    MemberGuidelines Subcommittee, American Society of Radiation Oncology
  7. 2023 - present
    MemberHepatobiliary Disease Group Executive Committee, Mayo Clinic Cancer Center - Arizona, Mayo Clinic Cancer Center
  8. 2021 - present
    Judge, Poster PresentationsMayo Clinic Academic Excellence Day, Division of Education Administration, Mayo Clinic College of Medicine and Science
  9. 2020 - 2024
    VolunteerSenior Medical Student Mock Residency Interview, University of Arizona College of Medicine
  10. 2020 - 2024
    Program DirectorRadiation Oncology Residency Program, Programs in Arizona, Mayo School of Graduate Medical Education
  11. 2020 - 2024
    MemberGraduate Medical Education Committee, Mayo Clinic Arizona Committees
  12. 2020 - 2024
    Vice-Chair of EducationDepartment of Radiation Oncology
  13. 2020 - 2022
    MemberRectal Cancer VA Quality Measure Panel, American Society of Radiation Oncology
  14. 2020 - present
    Co-FounderSarcoma Multidisciplinary Clinic, Radiation Oncology, Department of Radiology
  15. 2019 - 2020
    Judge, Oral PresentationsMayo Clinic Academic Excellence Day, Division of Education Administration, Mayo Clinic College of Medicine and Science
  16. 2018 - 2022
    ChairProton Beam Clinical Practice Multi-Site Audit Committee, Mayo Clinic Proton Therapy Program, Mayo Clinic
  17. 2017 - 2023
    Co-ChairGastroesophageal Cancer Disease Group, Mayo Clinic Cancer Center
  18. 2015 - 2017
    ChairGastroesophageal Cancer Standards Council, Mayo Clinic Cancer Center
  19. 2015 - 2017
    ChairSarcoma and Cutaneous Malignancies Track, Annual Meeting Scientific Committee, American Society for Radiation Oncology
  20. 2013 - 2023
    ChairMultidisciplinary Esophageal Cancer Group, Mayo Clinic Cancer Center - Arizona, Mayo Clinic Cancer Center
  21. 2013 - 2020
    Associate Program DirectorRadiation Oncology Residency Program, Programs in Arizona, Mayo School of Graduate Medical Education
  22. 2013 - 2016
    MemberClinical Research Subcommittee, Research Operations Management Team, Mayo Clinic Arizona Committees
  23. 2013 - 2015
    Vice ChairSarcoma Track, Annual Meeting Scientific Committee, American Society for Radiation Oncology
  24. 2013 - present
    MemberInternational Association for the Study of Lung Cancer
  25. 2013 - present
    MemberParticle Therapy Cooperative Group - North America (PTCOG-NA)
  26. 2012 - 2015
    ChairGastrointestinal Oncology Research Disease Working Group, Mayo Clinic Cancer Center - Arizona, Mayo Clinic Cancer Center
  27. 2012 - present
    Co-FounderMultidisciplinary Esophageal Cancer Group, Mayo Clinic Cancer Center - Arizona, Mayo Clinic Cancer Center
  28. 2011 - 2013
    MemberRadiation Safety Subcommittee, Clinical Practice Committee - Arizona, Executive Operations Team - Arizona
  29. 2009 - present
    LeaderIntraoperative Radiotherapy Program, Radiation Oncology, Department of Radiology
  30. 2008 - present
    MemberAmerican Society of Clinical Oncology
  31. 2007 - present
    MemberSociety for Neuro-Oncology
  32. 2002 - present
    MemberAmerican Society for Radiation Oncology

Publications