Gregory K Hartig, MD, FACS


  • Chief, Section of Head and Neck Surgical Oncology
  • Division of Otolaryngology-Head & Neck Surgery
Office: (608) 265-8207

  • Clinical Appointments: (608) 263-6190

600 Highland Ave
MC 7375
Madison, WI 53792-3284


  • MD, University of Michigan, Ann Arbor, MI
  • Internship, St. Joseph Mercy Hospital, Ann Arbor, MI
  • Residency, University of Michigan, Ann Arbor, MI
  • Fellow, Head and Neck Reconstructive Surgery, University of Pennsylvania Medical Center, Philadelphia, PA

Clinical Specialties

Dr. Hartig is certified by the American Board of Otolaryngology-Head and Neck Surgery. His practice combines traditional head and neck surgery with facial plastic and reconstructive surgery. He has extensive experience managing head and neck cancer, including tumors of the skull base, and performing microvascular free tissue transfer reconstruction. Dr. Hartig directs the head and neck oncology program at UW Hospital and Clinics.

Research Interests

Dr. Hartig has research interests in the cytogenetics of head and neck carcinoma, free flap physiology, and airway reconstruction.

Recent Publications

  • Functional Outcomes After Transoral Plus Lateral Pharyngotomy Approach for Advanced Oral and Oropharyngeal Tumors.
    Colevas SM, Merfeld EC, Pflum ZE, Gessert TG, Wieland AM, Glazer TA, Burr AR, Harari PM, Hartig GK
    OTO Open 2023; 7(1): e35
    [PubMed ID: 36998565]

  • Interstitial Brachytherapy for Lip Cancer: Technical Aspects to Individualize Treatment Approach and Optimize Outcomes.
    Merfeld EC, Witek ME, Francis DM, Burr AR, Wallace CR, Kuczmarska-Haas A, Lamichhane N, Kimple RJ, Glazer TA, Wieland AM, McCulloch TM, Hartig GK, Harari PM
    Pract Radiat Oncol 2023; 13(4): 340-345
    [PubMed ID: 36709044]

  • Patterns of failure for hypopharynx cancer patients treated with limited high-dose radiotherapy treatment volumes.
    Burr A, Harari P, Wieland A, Kimple R, Hartig G, Witek M
    Radiat Oncol J 2022 Dec; 40(4): 225-231
    [PubMed ID: 36456541]

  • Prospective Study of PET/MRI Tumor Response During Chemoradiotherapy for Patients With Low-risk and Intermediate-risk p16-positive Oropharynx Cancer.
    Witek ME, Kimple RJ, Avey GD, Burr AR, Chandereng T, Yu M, Hu R, Wieland AM, Labby ZE, Bruce JY, Brower JV, Hartig GK, Harari PM
    Am J Clin Oncol 2022 May 01; 45(5): 202-207
    [PubMed ID: 35446279]

  • The radial forearm snake flap: An underutilized technique for fasciocutaneous and osteocutaneous forearm flaps with primary closure.
    Gessert TG, Pflum ZE, Thompson JD, Hoffman MR, Sanchez R, Glazer TA, Wieland AM, McCulloch TM, Hartig GK
    Head Neck 2022 May; 44(5): 1106-1113
    [PubMed ID: 35165977]

All Publications on PubMed