Mr Marcos Kostalas

Mr Kostalas is a highly experienced Consultant Upper Gastrointestinal Surgeon based at Mount Stuart Hospital, offering advanced, specialist care for a wide range of benign and complex upper GI conditions. He graduated in Medicine from the University of Bristol in 2008 and went on to complete an MD in Clinical and Experimental Medicine at the University of Surrey in 2017. He achieved Fellowship of the Royal College of Surgeons of England in General Surgery in 2021.

Mr Kostalas has comprehensive specialist training in hepatobiliary, bariatric and benign upper GI surgery. He has undertaken a prestigious Royal College of Surgeons of England Fellowship, refining his advanced laparoscopic techniques, and is also formally trained in robotic surgery, enabling him to offer the latest minimally invasive surgical approaches where appropriate.

He provides expert management and surgical treatment for a broad range of conditions including gallstone disease, reflux, hernias, abdominal wall reconstruction and other upper GI disorders. His practice is centred on delivering safe, evidence-based care with a calm, compassionate approach, ensuring each patient receives personalised treatment and clear guidance throughout their surgical journey.

In addition to his clinical work, Mr Kostalas is an active member of the Association of Upper Gastrointestinal Surgeons (AUGIS) and the British Benign Upper Gastrointestinal Society (BBUGSS), where he previously served as a council member, reflecting his ongoing commitment to excellence and leadership in his field.

Mr Kostalas is dedicated to achieving the best possible outcomes using modern surgical techniques and patient-centred care, helping patients feel confident, informed and supported every step of the way.

More information available at www.devonsurgery.co.uk