Dr. Tobias is originally from Long Island, New York and received his initial medical training at Washington University in St. Louis. He then moved to Dallas to complete his Internal Medicine residency at UT Southwestern where he developed a passion for patient centered care and quality improvement. After residency, Dr. Tobias decided to stay on as faculty in Hospital Medicine. Dr. Tobias’s interests outside of medicine include, cooking, reading, board games and crossword puzzles.


Medical School
Washington University School of Medicine (2017)
UT Southwestern Medical Center (2020), Internal Medicine

Research Interest

  • General Internal Medicine
  • Hematology/Oncology
  • Quality Improvement


Featured Publications LegendFeatured 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

Professional Associations/Affiliations

  • American College of Physicians (2016)
  • American Medical Association (2013)