Mr Niall Sullivan
Hip and trauma surgeon
B Med Sci (Hons), BM BS, M Ed & DIC, FRCS
Mr Niall Sullivan is a highly skilled and compassionate Consultant Orthopaedic Hip and Trauma Surgeon. With over three years of consultant experience, he is dedicated to restoring mobility and improving quality of life. He specialises in hip replacement and complex hip revision surgery, with a particular focus on hip arthritis, avascular necrosis, metastatic cancer, and post-traumatic conditions.
After training in Bristol, Mr Sullivan undertook an advanced arthroplasty fellowship in Auckland, New Zealand, where he gained expertise in robotic and navigation-assisted hip surgery. He went on to complete further fellowships in advanced hip arthroplasty and major trauma at Southmead Hospital.
He currently serves as the Hip Fracture Lead at Bristol Royal Infirmary and is the Orthopaedic Lead for Silver Trauma. Niall also contributes to the regional centre for prosthetic hip joint infection at Southmead Hospital.
Passionate about education, he plays a key role in surgical training, teaching over 100 trainees through Health Education England. He also collaborates on clinical research with the University of Bristol and has received multiple research awards.
Having undergone hip surgery himself, Niall brings a unique perspective to his work. He understands the patient journey and is committed to delivering compassionate, patient-centred care.

Specialist treatments
- Total hip replacement
- Revision (redo) total hip replacement
- Greater trochanter pain syndrome treatment
Useful links
Curriculum vitae
Education
- Nottingham University, 2002–2007
- Imperial College, 2013–2015
- North Shore Hospital, Auckland, NZ (Fellowship), 2018
Qualifications
- FRCS (Tr & Orth), Royal College of Surgeons, 2017
- M Ed & DIC (distinction), Imperial College, 2015
- MRCS, Royal College of Surgeons, 2010
- BM BS, Nottingham University, 2007
- B Med Sci (Hons), Nottingham University, 2005
Positions
- Member, British Hip Society
- Orthopaedic Surgeon, University Hospitals Bristol & Weston
- Orthopaedic Surgeon, North Bristol NHS Trust
- Orthopaedic Surgeon, Spire Hospital, Bristol
- Orthopaedic Surgeon, Nuffield Hospital, Bristol
Awards
- Acumed BOA Congress Poster Prize – BOA Congress, Liverpool, September 2017
- Dean’s Prize (for Masters Degree) – Imperial College London, May 2016
- Bristol Orthopaedic Trust Research Grant – May 2016
- The Dr Amit Mishra Bursary 2015/16 – Association of Surgeons in Training, January 2016
- Masters in Surgical Education Distinction – Imperial College London, December 2015
- Solomon Prize – Severn Deanery Research Presentation Award, December 2015
- Severn Deanery Trainee of the Year – Shortlisted, 2014/15
- Musgrove Park Postgraduate Centre Bursary Fund Award – October 2013
- Severn Deanery Trainee of the Year – Shortlisted, 2010–2011
Publications
- The tyrosine kinase inhibitor Dasatinib reduces cardiac steatosis and fibrosis in obese, type 2 diabetic mice. Y Gu, E Avolio, VV Alvino, AC Thomas, A Herman, PJ Miller, N Sullivan, Cardiovascular Diabetology 22 (1), 214
- Are vegans being overlooked in our prescribing practices: An orthopaedic perspective from Bristol, United Kingdom. G Silk, N Vetharajan, A Blohm, F Teeling, K Keen, N Sullivan, M Kiran, Journal of Clinical Orthopaedics and Trauma, 102250
- IMPACT-Global Hip Fracture Audit: Nosocomial infection, risk prediction and prognostication, minimum reporting standards and global collaborative audit: Lessons from an … AJ Hall, ND Clement, H Abdul-Jabar, R Abu-Rajab, A Abugarja, K Adam, …the surgeon 20 (6), e429-e446
- Subchondral Bone Microarchitectural and Mineral Properties and Expression of Key Degradative Proteinases by Chondrocytes in Human Hip Osteoarthritis. Y Li, Y Liem, Z Zamli, N Sullivan, E Dall’Ara, H Ahmed, GM Sellers, A Blom, M Sharif. Biomedicines 9 (11), 1593 2021
- Subchondral bone microarchitecture and mineral density in human osteoarthritis and osteoporosis: A regional and compartmental analysis. Y Li, Y Liem, E Dall’Ara, N Sullivan, H Ahmed, A Blom, M Sharif. Journal of Orthopaedic Research® 2021
- Activation of bone marrow adaptive immunity in type 2 diabetes: Rescue by co-stimulation modulator Abatacept. M Santopaolo, N Sullivan, AC Thomas, VV Alvino, LB Nicholson, Y Gu, G Spinetti, M Kallikourdis, A Blom, P Madeddu. Frontiers in Immunology 12, 353 2021
- Quick and accurate evaluation of cartilage histopathology on undecalcified osteochondral tissue. Y Li, Y Liem, N Sullivan, D Tucker, S Florio, D Martin, H Ahmed, A Blom, M Sharif. Osteoarthritis and Cartilage 28, S178-S179 2020
- No Difference in Five-Year Clinical and Radiographic Outcomes Between Kinematic and Mechanical Alignment in TKA – A Randomised Controlled Clinical Trial. S Young, NPT Sullivan, S Holland, A Bayan, M Walker, W Farrington. Clinical orthopaedics and related research 478 (6), 1271
- Bone Marrow Pericyte Dysfunction in Patients with Type II Diabetes. G Mangialardi, D Ferland McCullough, D Maselli, M Santopaolo, A Cordaro, G Spinetti, M Sambataro, NPT Sullivan, A Blom, P Madeddu. Diabetologia 62 (7), 1275-1290
- MCP-1 Feedback Loop between Adipocytes and Mesenchymal Stromal Cells Causes Fat Accumulation and Contributes to Hematopoietic Stem Cell Rarefaction in the Bone Marrow of Diabetic Patients. D Ferland-McCollough, D Masseli, G Spinetti, M Sambataro, NPT Sullivan, A Blom, and P Madeddu. Diabetes. 2018 Apr 27:db180044
- Large diameter total hip arthroplasty modular heads require greater assembly forces for initial stability. AR MacLeod, NPT Sullivan, MR Whitehouse, HS Gill. Bone Joint Res 2016;5:338–346. DOI: 10.1302/2046-3758.58.BJR-2016-0044.R1
- Assessing the quality of operation notes: a review of 1092 operation notes in 9 UK hospitals. SARCO collaborative. Blackburn J, Audit S. Assessing the quality of operation notes: a review of 1092 operation notes in 9 UK hospitals. Patient safety in surgery. 2016 Dec 1;10(1):1-6. Contribution – writing group
- Early complications following cemented modular hip hemiarthroplasty. NPT Sullivan, AW Hughes, RL Halliday, AL Ward, TJS Chesser. Open Orthop J. 2015; 9: 15–19
- Bristol Index of Patella Width to Thickness (BIPWiT): a reproducible measure of patella thickness from adult MRI. NPT Sullivan, PW Robinson, A Ansari, M Hassaballa, A Porteous, JR Robinson, JD Eldridge, JR Murray. Knee. 2014 Dec;21(6):1058-62
- Direct thrombin inhibitor (DTI) vs. Aspirin in primary total hip and knee replacement using wound ooze as the primary outcome measure. A Prospective Cohort Study. A Aquilina, L Brunton, M Whitehouse, NPT Sullivan, A Blom. Hip Int 2012 Jan-Feb;22(1):22-7
- Case Report: Alveolar Soft Part Sarcoma causing perianal abscess. NPT Sullivan, TA McCulloch, Leverton D. Ann R Coll Surg Engl. 2011 Jul;93(5):e35-6
- Non-Invasive Ventilation for Junior Doctors. NPT Sullivan & W Kinnear. A peer-reviewed teaching module published on BMJLearning.com, September 2010 (updated 2013)
Book chapters
- Advancing Surgical Education – Theory, Evidence and Practice. Chapter 12 – Constructing surgical identities – Being and becoming a surgeon. NPT Sullivan & R Di Napoli. Springer Singapore (2019) ISBN 978-981-13-3127-5
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