✓ Verified
Trust score 98/100
Mr Marcos Kostalas
👤 12 years of experience
11,494+
Patients seen
12
Years in practice
5
Publications
1
Languages spoken
About
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
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
“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”
— Mr Marcos Kostalas
Education & training
-
2004–2010 MD · Medicine and Surgery
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2010–2014 Residency · General Surgery
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2014–2015 Fellowship · Subspecialty training
Career & appointments
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2014-09–2015-08 Junior consultant
Licenses & insurance
Medical licenses
GB — Organización Médica Colegial de España (OMC)
Board certifications
European Board of General Surgery
Malpractice insurance:
AmTrust Europe · 1,000,000 EUR coverage · No claims on file
Procedures performed
| Procedure | Code | Lifetime count |
|---|---|---|
| GP consultation | 99213 | 1,161 |
| Annual physical exam | 99395 | 2,127 |
| Vaccination administration | 90471 | 2,487 |
| Minor procedure (skin) | 17110 | 2,304 |
Services & pricing
| Service | Duration | Modality | Price |
|---|---|---|---|
| New patient consultation (60m) | 60 min | in_clinic|telemed | 180.00 EUR |
| Follow-up consultation (30m) | 30 min | in_clinic|telemed|phone | 90.00 EUR |
| Vaccination administration | 90 min | in_clinic | 450.00 EUR |
| Minor procedure (skin) | 60 min | in_clinic | 180.00 EUR |
Office, team & in practice
Videos
Research & publications
h-index: 4 · i10: 4
-
European registry analysis of General Surgery outcomes
DOI: 10.2096/euroclin.2025.0 · PMID: 35944537 · cited by 153
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Outcomes of General Surgery in adults — a multi-centre cohort
DOI: 10.9496/euroclin.2024.1 · PMID: 38606194 · cited by 155
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European registry analysis of General Surgery outcomes
DOI: 10.4120/euroclin.2023.2 · PMID: 31122236 · cited by 77
Invited talks
- Practical updates in General Surgery European Annual Congress (General Surgery) · Vienna · 2024 · invited
- Single-centre experience in General Surgery National Society Meeting · Torquay · 2023 · oral abstract
Awards & memberships
Awards
- 🏆 Top-rated General Surgery — Torquay · EuroClinics Patient Choice · 2025 · regional
- 🏆 Excellence in Patient Care · National Society · 2024 · national
- 🏆 Young Investigator Award · European Society · 2023 · international
Society memberships
- WONCA Europe — Family Doctors — Member · Since 2015
- national college of family doctors — Member · Since 2015
- European Union of Medical Specialists (UEMS) — Member · Since 2015
Articles by this doctor
- Patient education Patient guide to General Surgery
- Awareness When should you see a general surgery?
For international patients
- Coordinator
- Patient liaison · marcos.kostalas@euroclinics.example
- Accepted international insurance
- Allianz Worldwide · AXA Global · BUPA Global · Cigna Global
Location
1 tagPatient reviews
182 verified reviews4.99
★★★★⯨
182 reviews
- Bedside Manner
- 5.0
- Knowledge
- 5.0
- Wait Time
- 4.7
- Staff Friendliness
- 5.0
- Ease Of Appointment
- 4.9
- Value For Money
- 4.9
- Would Recommend Pct
- 99.0
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Recent reviews
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★★★★★ ✓ Verified Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
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★★★★★ ✓ Verified Took time to listen and reviewed all my previous results. I would absolutely recommend.
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★★★★☆ ✓ Verified Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.