Katherine M. Gast, MD, MS

Assistant Professor

(608) 262-7906

600 Highland Ave.
Madison, WI 53792-0001


  • MS, University of Michigan School of Public Health, Ann Arbor, MI, 2009
  • MD, University of Michigan Medical School, Ann Arbor, MI, 2010
  • Integrated Residency, Plastic Surgery, University of Michigan, Ann Arbor, MI, 2016
  • Subspecialty Fellowship in Gender Affirming Surgery and Microsurgical Breast Reconstruction, University Hospital, Ghent, Belgium, 2017

Clinical Specialties

Dr. Gast specializes in reconstructive plastic surgery and has advanced training in gender affirming surgery (vaginoplasty, phalloplasty, breast augmentation, and mastectomy) and autologous microsurgical breast reconstruction (DIEP flaps). She also performs a wide range of adult reconstructive and cosmetic surgery. Dr. Gast is the medical director of the UW Health Comprehensive Gender Services Program.

Dr. Gast provides a wide range of services including Abdominal Wall Reconstruction, Abdominoplasty, Breast Augmentation, Breast Reconstruction, Breast Reduction, Chest Wall and Thoracic Reconstruction, Facial Feminization Surgery, Gender Mastectomy, Labiaplasty, Lower Extremity Reconstruction, Penile Inversion, Vaginoplasty, Phalloplasty, Sternal Wound Reconstruction, Tracheal Shave.

Research Interests

Dr. Gast’s research is focused on patient reported outcomes in gender affirming surgery.

Recent Publications

  • Training of Male and Female Surgical Residents-Reply.
    Babchenko O, Gast K
    JAMA Surg 2020 10 01; 155(10): 1001-1002
    [PubMed ID: 32725194]

  • Should We Train Female and Male Residents Slightly Differently?
    Babchenko O, Gast K
    JAMA Surg 2020 05 01; 155(5): 373-374
    [PubMed ID: 32129814]

  • Gender Imbalance at Academic Plastic Surgery Meetings.
    Santosa KB, Larson EL, Vannucci B, Lapidus JB, Gast KM, Sears ED, Waljee JF, Suiter AM, Sarli CC, Mackinnon SE, Snyder-Warwick AK
    Plast Reconstr Surg 2019 06; 143(6): 1798-1806
    [PubMed ID: 31136497]

  • Creation of Clitoral Hood and Labia Minora in Penile Inversion Vaginoplasty in Circumcised and Uncircumcised Transwomen.
    Opsomer D, Gast KM, Ramaut L, De Wolf E, Claes K, Sommeling C, Monstrey S
    Plast Reconstr Surg 2018 11; 142(5): 729e-733e
    [PubMed ID: 30511988]

  • Female-to-Male Gender-Affirming Chest Reconstruction Surgery.
    Ammari T, Sluiter EC, Gast K, Kuzon WM
    Aesthet Surg J 2019 01 17; 39(2): 150-163
    [PubMed ID: 29945235]

All Publications on PubMed