DipSEM(GB&I) MB BCH BAO(Dist) MFSEM(UK) MFSEM(RCSI&RCPI) MFSTEd MMedSc(Dist) MD ECFMG RPVI(ARDMS) MCPhleb FRCSEd(Gen&VascSurg) FEBVS(Hon)
27 years of experience
Belfast, BT9 7GX
(+4 more)
81 connections in healthcare
Skill endorsed
by Dr Jack Andrews, Dr Divyesh Sharma and 19 other professionals
27 years of experience
Belfast, BT9 7GX
(+4 more)
81 connections in healthcare
Skill endorsed
by Dr Jack Andrews, Dr Divyesh Sharma and 19 other professionals
Areas of expertise
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Professor Mark O’Donnell is a highly accomplished Consultant Vascular and Endovascular Surgeon with extensive experience across both NHS and private healthcare sectors. His practice encompasses the full spectrum of arterial, venous, and lymphatic disease, including minimally invasive endovenous treatments such as radiofrequency ablation, ultrasound guided foam sclerotherapy, and microsclerotherapy, as well as complex and recurrent varicose vein surgery including phlebectomy / avulsions, ligation and stripping. He provides consultations and treatment across multiple private hospitals in Northern Ireland, including Kingsbridge Private Hospital Belfast, Kingsbridge North West and the Ulster Independent Clinic.
A graduate of Queen’s University Belfast with distinction, Professor O’Donnell completed his surgical training through the Northern Ireland Surgical Training Rotation, followed by a Vascular Surgery Fellowship at the Mayo Clinic, USA, where he was appointed Assistant Professor of Surgery. He achieved the UEMS Vascular Gold Medal for first place in the European Board of Vascular Surgery Examination and holds a Medical Doctorate and Master of Medical Science in Education.
Professor O’Donnell has published over 100 peer-reviewed papers, presented internationally, and remains actively involved in academic research, simulation training, and education. A Visiting Professor at Ulster University, he lectures widely and contributes to healthcare quality improvement and patient safety initiatives, including the Getting It Right First Time (GIRFT) programme.
His private practice reflects his enduring commitment to high-quality,
patient-focused care, recognised by awards including Doctify’s 2023 Healthcare
Professional of the Year (Patient Voice Award); 2024 Endovascular Surgeon of
the Year (Belfast); 2025 Winner of Best Consultant Vascular and Endovascular
Surgeon as well as Highly Commended for Cross-Border Collaboration at the 2026
All Island Private Healthcare Awards.
With over 20 years clinical experience, Professor Mark O'Donnell leads an
established vascular surgery practice performing over 850 minimally invasive
procedures for varicose veins each year with a high level of patient
satisfaction (Doctify; TrustPilot; and Google). Professor O'Donnell's precision-led minimally invasive varicose vein procedures are provided to all patients in Belfast and throughout Northern Ireland ensuring fast recovery permitting patients to feel confident in their legs and walk pain-free again.
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General Medical Council
No. 4624141
Queens University
Medicine
Graduated 1999
Bachelor of Medicine, Surgery and Obstetrics (MB BCh BAO) with distinction in Microbiology and Pharmacology The Queen's University of Belfast, Northern Ireland 1999.
Member of the Royal College of Surgeons (MRCSEd) Royal College of Surgeons, Edinburgh 2002.
Diploma in Sports and Exercise Medicine of Great Britain and Ireland (DipSEM) Intercollegiate College of Sports and Exercise Medicine of Great Britain and Ireland 2004.
Doctorate of Medicine (MD) The Queen's University of Belfast, Northern Ireland 2008.
Master of Medical Science in Education for the Health Care Professions with Distinction (MMedSc) The Queen's University of Belfast, Northern Ireland 2009.
Education Commission for Foreign Medical Graduates (ECFMG) Certification United States Medical Licensing Board Examinations (USMLE) - Step 1 August 2010, Step 2 CK July 2010, Step 2 CS January 2011 and Step 3 February 2015.
General and Vascular Surgery Exit Examination (FRCS) Intercollegiate Specialty Board of Surgery, United Kingdom 2012.
Fellow of the Royal College of Surgeons Edinburgh (FRCSEd Gen&VascSurg) 2012.
Physicians Vascular Interpretation Examination (RVPI) The American Registry for Diagnostic Medical Sonography (ARDMS) 2013.
Member of the Faculty of Surgical Trainers (MFSTEd), The Royal College of Surgeons Edinburgh (RCSEd) 2015.
Fellow of the European Board of Vascular Surgery (FEBVS Honours) European Board of Vascular Surgery 2015.
Member of the College of Phlebology (MCPhleb) 2024.
Read publications and papers written by this specialist.
20 / 02 / 2023
A scoping review of assessment methods of competence of general surgical trainees - PubMed
Published in Surgeon. 2023 Feb; 21(1): 60-69.
20 / 10 / 2019
Thromboprophylaxis for varicose vein procedures - A national survey - PubMed
Published in Phlebology. 2019 Oct; 34(9): 598-603.
20 / 05 / 2015
Portomesenteric venous thrombosis following major colon and rectal surgery: incidence and risk factors - PubMed
Published in Surg Endosc. 2015 May; 29(5):1071-9.
01 / 02 / 2015
Surgical and medical management of extracranial carotid artery aneurysms - PubMed
Published in J Vasc Surg 2015 Feb; 61(2): 389-93.
New appointment
£200Follow-up appointment
£120801-815 Lisburn Road, Belfast, United Kingdom, BT9 7GX
Church Hill house, Main Street, Ballykelly, United Kingdom, BT49 9HS
Building One Dataworks King's Hall Life Sciences Park, Belfast, United Kingdom, BT9 6GW
Windsor Avenue, Newry, United Kingdom, BT34 1EG
245 Stranmillis Rd, Belfast, United Kingdom, BT9 5JH
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This summary was created by AI based on recent reviews
Patients see Professor Mark O'Donnell as professional. He talks to them and sets them at ease. They leave the care unit with full faith in him and his plan. Main themes cover varicose veins, foam sclerotherapy, and leg pain.
I was not sure what options were available for my vein treatment and Professor O Donnell explained what was most suitable for myself going forward

Thank you for your kind feedback. I’m delighted that I was able to explain the treatment options available and help you understand which approach would be most suitable for you moving forward. It is important to me that every patient feels informed, comfortable and confident in the decisions made about their care. Thank you for placing your trust in my vascular clinic - kind regards Mark
Had another great experience with Professor O'Donnell. He is very friendly and professional.

Thank you for your continued trust and kind feedback. I’m delighted to hear that you have had another positive experience. I always aim to make my patients feel welcome, comfortable and well cared for and it is lovely to know this has been your experience. Thank you for your recommendation! Best wishes Mark
Looked after very well

I am so pleased you felt well looked after - please let me know anytime if I can assist further - regards Mark
After a worrying weekend with a sore and inflamed leg, I was relieved to be able to get an expert opinion from Professor O’Donnell. He immediately diagnosed thrombophlebitis, confirmed by a scan, and prescribed the appropriate treatment. Both then and at my 3-monthly review, Professor O’Donnell explained things very clearly and he followed up with the information in writing to my GP. Professor O’Donnell took time to answer all my questions fully and I very much welcome the option to contact him again if I need to. An excellent service!

Thank you very much for your thoughtful feedback. I’m pleased that I was able to provide reassurance and support during what must have been a worrying time for you. Clear communication and ensuring patients feel informed and supported throughout their treatment and follow-up are very important to me. I’m glad you found the written follow-up helpful and please do not hesitate to get in touch if you have any further concerns. Thank you again for your kind words. Best wishes and let me know anytime if I can assist further - Mark
Excellent service.Professor O'Donnell has a great bedside manner and put me at ease.Procedure went well.

I’m delighted to hear that you felt at ease and that your procedure went well. Making sure my patients feel comfortable, reassured and well cared for throughout their treatment is very important to me. Thank you for taking the time to share your experience and for taking time to review your experience - Mark.
I recently had varicose vein treatment by Professor O’Donnell and his team. The process from initial consultation through to treatment was excellent. I wouldn’t hesitate to highly recommend Professor O’Donnell and his nursing team. Results this far are great and I can’t thank them enough

Thank you so much for your kind words and recommendation. I’m delighted to hear that your experience from the initial consultation through to treatment was so positive and that you are already seeing great results. I will be sure to share your lovely feedback with the nursing team, who will really appreciate it. Providing excellent care and ensuring our patients feel supported throughout their treatment journey is very important to us. Thank you again for taking the time to share your experience. I wish you continued progress and all the very best. Best wishes Mark
I contacted Kingsbridge for a follow up review with Mark, I was seen 4 days later, where upon I had some additional injections into my calf area. Mark gave me a very clear description of what was needed and what was done. I can’t speak highly enough about the friendly professional experience.

Thank you very much for your lovely feedback. I’m delighted we were able to arrange your follow-up review promptly and that you were happy with the treatment provided. It’s important to me that every patient understands their treatment and feels comfortable and reassured throughout their care. I really appreciate you taking the time to share your experience and your kind words about the team at Kingsbridge. Thank you for your recommendation, and I wish you all the very best. Regards Mark
Excellent follow up appointment following RFA treatment for varicose veins Ultrasound showing great improvement; painless foam injection to close off last remaining patent tributary

Thank you for your kind feedback. I’m delighted that your follow-up ultrasound showed such a good improvement following your RFA treatment. It’s great to hear that the foam sclerotherapy was also comfortable. We aim to achieve the best possible outcome for every patient, and I wish you continued progress and good health. Please let me know anytime if I can assist further - best wishes Mark
Absolutely delighted with Professor Mark O Donnell s work and follow up appointment. Would fully recommend him to anyone that has to go threw varicose vein surgery.

I am so pleased you had a great outcome and experience ay my vascular surgery clinic. Please let me know anytime if I can ever assist further - best wishes Mark
Excellent surgeon
07 Oct 2026
Dr Jack Andrews
CardiologistSkills
22 Jul 2026
Dr Divyesh Sharma
CardiologistWould recommend Mr O'Donnell at Kingsbridge Belfast
22 Jul 2026
Dr Edward McKeever
Diabetes & Endocrinology SpecialistMark is an excellent surgeon, easily approachable and very kind doctor.
20 Jun 2026
Mr Ramesh Kumar Gurunathan
ENT Surgeon
Explore videos from Professor Mark O'Donnell explaining process of procedures and other important things you should know before choosing your provider.

Many thanks for watching my introduction video - I hope to convey a very informal relaxed approach to high quality vascular surgery care at all of my Northern Ireland clinics. Best wishes Mark
08 November 2025
Find out more on the Doctify Health hub for Professor Mark O'Donnell's specialty, Vascular Surgery.
What are Professor Mark O'Donnell's reviews like?
Professor Mark O'Donnell's overall patient rating is 4.98 out of 5 stars on Doctify. This is based on 1,424 reviews.
What languages does Professor Mark O'Donnell speak?
Professor Mark O'Donnell speaks English
Where is Professor Mark O'Donnell located?
Professor Mark O'Donnell primarily practices at Kingsbridge Private Hospital Belfast, located at 801-815 Lisburn Road, Belfast, United Kingdom, BT9 7GX
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What are Professor Mark O'Donnell working hours?
Professor Mark O'Donnell is working Tuesday (13:30 - 16:30), Wednesday (14:00 - 17:00), Thursday (08:30 - 12:30)
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Does Professor Mark O'Donnell accept new patients?
Professor Mark O'Donnell generally accepts new patients.
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