This site is not optimized for Internet Explorer 8 (or older).
Please upgrade to a newer version of Internet Explorer or use an alternate browser such as Chrome or Firefox.
Gregory Norman Messner, DO
Southwest Missouri State University BS
AT Still University
University of North Texas Health Science Center General Surgery Residency 1995-2000
Texas Heart Institute Fellow in Mechanical Assist Devices and Cardiopulmonary Transplant
Texas Heart Institute Cardiothoracic Residency
Minimally Invasive Cardiac Surgery
Mechanical Assist Devices
Minimally Invasive Thoracic Surgery