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Jason S. Starr, D.O.

  1. Hematologist / Oncologist


  1. Jacksonville, Florida




Jason Starr, D.O., is an oncologist in the Department of Internal Medicine at Mayo Clinic hospital in Jacksonville, Florida. He specializes in gastrointestinal (GI) malignancies and treats conditions such as: neuroendocrine tumors (NETs); neuroendocrine carcinoma (NEC); colon cancer; esophageal cancer; liver cancer; pancreatic cancer, and stomach cancer.

Dr. Starr grew up in South Florida and earned his medical degree at Lake Erie College of Osteopathic Medicine in Bradenton, Florida. He did his training at Mayo Clinic School of Graduate Medical Education in Jacksonville, where he completed his internship and residency in internal medicine, followed by a hematology/oncology fellowship.

Dr. Starr has developed an expertise in treating gastrointestinal malignancies and has co-authored papers and book chapters on the subject. He has a special interest in neuroendocrine tumors and is committed to advancing the field through clinical research, namely through the development and enrollment of clinical trials. Dr. Starr is also passionate about education and is integrally involved with fellow education and well-being. He is board certified in internal medicine, hematology, and oncology.

"The greatest joy of my career is the interaction and relationships I am able to have with my patients," says Dr. Starr. In his free time he enjoys and values spending time with his wife and children. He also enjoys exercise for fitness and stress relief.

Dr. Starr is proud of his Mayo roots and feels strongly about Mayo Clinic's conviction to hope, faith, and science.

  • Neuroendocrine tumors (NET)
  • Gastroesophageal cancer
  • Pancreatic cancer
  • Liver cancer
  • Biliary cancer
  • Colon cancer
  • Anal cancer
  1. 2014
    FellowHematology/Oncology, Programs in Florida, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  2. 2011
    ResidencyInternal Medicine Residency, Programs in Florida, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine
  3. 2008
    Doctor of Osteopathic Medicine - Graduated Summa cum Laude Lake Erie College of Osteopathic Medicine Doctor of Osteopathy, Chicago College of Osteopathic Medicine, Midwestern University
  4. 2004
    BSBachelor of Science in Microbiology & Molecular Biology, Honors


  1. 2014
    Medical OncologyAmerican Board of Internal Medicine
  2. 2014
    HematologyAmerican Board of Internal Medicine
  3. 2011
    Internal MedicineAmerican Board of Internal Medicine

Awards and honors

  1. 2018
    UF Health Cancer Center Travel Award Scholarship Recipient UF Health
  2. 2011
    Mayo Diversity ScholarshipMayo Clnic
  3. 2011
    Golden Apple AwardMayo Clnic
  4. 2010
    Golden Apple Award Mayo Clinic
  5. 2008
    Dean's Award Summa cum laude
  6. 2008
    Psi Sigma Alpha, Osteopathic Honor Society Sigma Sigma Phi National Osteopathic Honor Society
  7. 2007
    LECOM Academic Excellence Scholarship Lake Erie College of Osteopathic Medicine
  8. 2007
    American Osteopathic Association- COMPLEX PE Scholarship Lake Erie College of Osteopathic Medicine
  9. 2006
    LECOM Academic Excellence Scholarship Lake Erie College of Osteopathic Medicine

Professional memberships

  1. 2021 - present
    Committee Member, Communications CommitteeNorth American NeuroEndocrine Tumor Society
  2. 2020 - present
    MemberMayo Internal Medicine Core Competency Commitee
  3. 2019 - present
    MemberMayo Clinic Experience Subcommittee: Experience Design
  4. 2019 - present
    ChairFellowship Core Competency Committee
  5. 2019 - present
    MemberNorth American NeuroEndocrine Tumor Society
  6. 2019 - present
    MemberScientific Review Committee B
  7. 2019 - present
    Wellness ChairHematology/Oncology Fellowship, Division of Hematology and Medical Oncology, Department of Internal Medicine
  8. 2019 - present
    MemberContinuous Professional Development Subcommittee
  9. 2017 - 2020
    Committee MemberNational Cancer Institute, National Institutes of Health
  10. 2016 - present
    Subcommittee MemberNRG Oncology
  11. 2014 - present
    Board MemberFlorida American Society of Clinical Oncology
  12. 2011 - present
    MemberAmerican Society of Clinical Oncology