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Ethan Tobias, M.D.

Ethan Tobias, M.D.

Titles and Appointments

Assistant Professor

Schools
Medical School
Departments
Internal Medicine

You have reached the Academic Profile.

For more information on the doctor and patient care, please visit the clinical profile.

  • Biography

    Ethan Tobias, M.D., is an Assistant Professor in the Department of Internal Medicine at UT Southwestern and a member of its Division of Hematology and Oncology.

    Originally from Long Island, New York, Dr. Tobias holds a bachelor's degree in biology from Brown University in Providence, Rhode Island. He earned his medical degree at Washington University School of Medicine in St. Louis, and completed internal medicine residency training at UT Southwestern, where he then received advanced training through a hematology and oncology fellowship and served as Chief Fellow.

    Dr. Tobias joined the UT Southwestern faculty in 2024.

    Dr. Tobias is a member of the American Society of Clinical Oncology, the American Society of Hematology, the American College of Physicians, and the American Medical Association.

    He has delivered oral and poster presentations and published peer-reviewed academic articles related to his areas of expertise.

    Personal Note

    When he’s not at work, Dr. Tobias enjoys reading, baking bread, and spending time with his family.

  • Education
    Medical School
    Washington University School of Medicine (2017)
    Residency
    UT Southwestern Medical Center (2020), Internal Medicine
    Fellowship
    UT Southwestern Medical Center (2024), Hematology Oncology
  • Research Interest
    • General Internal Medicine
    • Hematology/Oncology
    • Quality Improvement
  • Publications

    Star Featured Publications

    Functional Annotation of ESR1 Gene Fusions in Estrogen Receptor-Positive Breast Cancer.
    Lei JT, Shao J, Zhang J, Iglesia M, Chan DW, Cao J, Anurag M, Singh P, He X, Kosaka Y, Matsunuma R, Crowder R, Hoog J, Phommaly C, Goncalves R, Ramalho S, Peres RMR, Punturi N, Schmidt C, Bartram A, Jou E, Devarakonda V, Holloway KR, Lai WV, Hampton O, Rogers A, Tobias E, Parikh PA, Davies SR, Li S, Ma CX, Suman VJ, Hunt KK, Watson MA, Hoadley KA, Thompson EA, Chen X, Kavuri SM, Creighton CJ, Maher CA, Perou CM, Haricharan S, Ellis MJ, Cell Rep 2018 08 24 6 1434-1444.e7
    Dietary and genetic effects on age-related loss of gene silencing reveal epigenetic plasticity of chromatin repression during aging.
    Jiang N, Du G, Tobias E, Wood JG, Whitaker R, Neretti N, Helfand SL, Aging (Albany NY) 2013 Nov 5 11 813-24
  • Honors & Awards
    • Academic Achievement Award for In-Service Examination
      American Society of Hematology (2024)
    • Academic Achievement Award for In-Service Examination
      American Society of Clinical Oncology (2023)
    • Academic Achievement Award for In-Service Examination
      American Society of Hematology (2023)
  • Professional Associations/Affiliations
    • American College of Physicians
    • American Medical Association
    • American Society of Clinical Oncology
    • American Society of Hematology