Andrew T. Day, M.D., M.P.H., is an Assistant Professor of Otolaryngology – Head and Neck Surgery at UT Southwestern Medical Center. He is also a member of the Population Science and Cancer Control program at the Harold C. Simmons Comprehensive Cancer Center.

Dr. Day earned his medical degree at the University of Minnesota Medical School. Following his residency in Otolaryngology – Head and Neck Surgery at Washington University in St Louis School of Medicine, he received advanced training in Head and Neck Oncologic Surgery and Microvascular Reconstruction at Johns Hopkins University School of Medicine. He then earned a Master of Public Health degree from the Johns Hopkins Bloomberg School of Public Health.

His clinical interests primarily include the management of benign and malignant tumors of the head and neck. He has specific expertise in complex ablative surgery, transoral laser microsurgery (TLM), transoral robotic surgery (TORS), reconstructive surgery, skin cancer and melanoma management, sentinel lymph node biopsy, open and minimally-invasive salivary gland surgery, and thyroid and parathyroid surgery.

Dr. Day is a national leader in the fields of head and neck cancer, cancer survivorship, and cancer prevention.  He is the Vice Chair of the National Comprehensive Cancer Network (NCCN) Survivorship Panel.  He co-led the Cancer Center (Tobacco) Cessation Initiative at the University of Texas Southwestern Medical Center (UTSW), which was a National Cancer Institute Cancer Moonshot program.  He is also serves on committees of the NRG, American Head and Neck Society (AHNS), and Head and Neck Cancer International Group (HNCIG). 

He also conducts research to screen for head and neck cancer and reduce the burden of head and neck cancer in survivors.  Dr. Day and his colleagues have been awarded $2.4 million in grants from the National Cancer Institute, Cancer Prevention Research Institute of Texas, American Cancer Society, UTSW, and Harold C. Simmons Comprehensive Cancer Center.  He has teamed up with many collaborators and is currently leading or co-leading several projects in these fields.  He is building a head and neck cancer care pathway which uses the electronic health record to improve the quality of cancer and survivorship care administered to patients.  He is designing an intervention to coach head and neck cancer patients through the cancer treatment and survivorship journey.  He is also co-leading a study to develop a cohort of at-risk middle-aged men in Dallas and screen them for HPV-mediated cancers. 

Dr. Day has authored over 50 peer-reviewed publications.  He serves as an ad-hoc reviewer for Oral Oncology, Head Neck, and JAMA Otolaryngology – Head and Neck Surgery.


Medical School
University of Minnesota (2010)
Washington University in St. Louis School of Medicine (2015), Otolaryngology
Other Post Graduate Training
Johns Hopkins Bloomberg School of Public Health (2017)
Graduate School
Johns Hopkins Bloomberg School of Public Health (2017), Public Health
Johns Hopkins Hospital (2017), Head & Neck Oncology & Microvascular Reconstructive Surgery

Research Interest

  • Early Detection of HPV-mediated Oropharyngeal Cancer
  • Head and Neck Cancer Outcomes
  • Head and Neck Cancer Survivorship


Featured Publications LegendFeatured Publications

Impact of a tobacco treatment program on abstinence and survival rates among current smokers with head and neck squamous cell carcinoma.
Day AT, Dahlstrom KR, Lee R, Karam-Hage M, Sturgis EM, Head Neck 2020 Sep 42 9 2440-2452
Care in the time of coronavirus: Ethical considerations in head and neck oncology.
Gordin EA, Day A, Stankova L, Heitman E, Sadler J, Head Neck 2020 Jul 42 7 1519-1525
Considerations in Human Papillomavirus-Associated Oropharyngeal Cancer Screening: A Review.
Day AT, Fakhry C, Tiro JA, Dahlstrom KR, Sturgis EM, JAMA Otolaryngol Head Neck Surg 2020 May
Palatine Tonsilloliths and Actinomyces: A Multi-institutional Study of Adult Patients Undergoing Tonsillectomy.
Arvisais-Anhalt S, Quinn A, Bishop JA, Wang CS, Mitchell RB, Johnson RF, Schultz B, Day AT, Otolaryngol Head Neck Surg 2020 May 194599820921392
Head and neck oncology during the COVID-19 pandemic: Reconsidering traditional treatment paradigms in light of new surgical and other multilevel risks.
Day AT, Sher DJ, Lee RC, Truelson JM, Myers LL, Sumer BD, Stankova L, Tillman BN, Hughes RS, Khan SA, Gordin EA, Oral Oncol. 2020 Apr 105 104684
Submental flap practice patterns and perceived outcomes: A survey of 212 AHNS surgeons.
Tang L, Day AT, Lee R, Gordin E, Emerick K, Patel UA, Deschler DG, Richmon JD, Am J Otolaryngol 2020 Jan - Feb 41 1 102291
Regional flap practice patterns: A survey of 197 head and neck surgeons.
Day AT, Yang AM, Tang L, Gordin EA, Emerick KS, Richmon JD, Auris Nasus Larynx 2019 Dec
Perioperative outcomes after tracheoplasty: A NSQIP analysis 2014-2016.
Johnson RF, Eaviz N, Truelson JM, Day AT, Laryngoscope 2019 Sep
Vincristine-induced vocal cord paresis and paralysis in children.
Zavala H, Roby BB, Day A, Bostrom B, Sidman J, Chinnadurai S, Int. J. Pediatr. Otorhinolaryngol. 2019 Aug 123 1-4
A Review of and Algorithmic Approach to Soft Palate Reconstruction.
Britt CJ, Hwang MS, Day AT, Boahene K, Byrne P, Haughey BH, Desai SC JAMA Facial Plast Surg 2019 Mar


Featured Books Legend Featured Books

Regional flaps. In Facial Plastic and Reconstructive Surgery: Clinical Reference Guide

Day AT, Chaudhary HA, Richmon JD. (2016). San Diego, Plural Publishing, Inc.

Radioiodine sialadenitis. In Gland-Preserving Salivary Surgery ? A Problem-Based Approach

Day AT, Eisele DW. (2017). Berlin, Springer