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, Pennsylvania. He returned to Florida to continue 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

Jacksonville, Florida

  1. 2014
    FellowHematology/Oncology, Programs in Florida, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine


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