About us

The Mater Misericordiae University Hospital is a level 4 teaching hospital based in Dublin's north inner city. The hospital was opened in 1861 by the Sisters of Mercy and has over 4,220 staff. In addition to the local services for our catchment area, the Mater Hospital provides a range of frontline and specialist services on a regional and national level.

Our vision is to build on our role as an international leader in the provision of complex care and specialist services with a strong academic and translational research agenda, empowering our people to deliver excellence in care to our patients while shaping the medicine of the future

We are the national centre for

• Heart surgery
• Heart and Lung transplant
• Adult Congenital Heart Disease (ACHD) Service
• Pulmonary Hypertension
• Adult Extracorporeal Membrane Oxygenation (ECMO)
• Hyperthermic Intraperitoneal Chemotherapy (HIPEC)
• Spinal injuries
• Adult scoliosis
• Isolation unit for High Consequences Infectious Diseases (HCID)
• Inherited Metabolic Disorders
• Rare diseases
• Forensic and postmortem imaging
• Bone anchored hearing aid
• Deep Brain Stimulation
• Advanced Heart Failure and Ventricular Assist Device (VAD)
• Brachial Plexus Service
• Clinical and Laboratory Cardiac Genomics / Genetics

Other specialties include but are not limited to cardiology, ophthalmology, haematology / oncology, nephrology, urology, infectious diseases, psychiatry, ear nose and throat, rheumatology, diabetes and endocrinology, neurology and stroke care, a multidisciplinary breast care centre, respiratory medicine, vascular surgery, interventional radiology, emergency and intensive care medicine, plastic surgery, general and colo-rectal surgery, orthopaedics, medicine for the elderly, pain and palliative care medicine, sole site for SIRTEX therapy in ROI, Sole site for MMMDT in ROI, Vestibular Rehab, EVLP (Ex Vivo Lung Perfusion), Emphysema Lung Volume Reduction, Thoracoscopic clip.

In 2023 we provided treatment to:

• 96,125 Emergency department attendances
• 266,148 Outpatient attendances
• 221,463 Radiological investigations / procedures
• 2,630 Cancers diagnosed
• 4,850 elective patients admitted on day of surgery
• 441 Emergency cardiac cath lab procedures
• 92,878 Radiology appointments
• 6,260 Interventional Radiology
• 3,564,308 lab tests included
• 5 Heart transplants
• 19 lung transplants

• 755 beds - 267 of these are inpatient beds are single ensuite rooms
• 211 day beds
• 14 Operating Theatres (12 Main & 2 Minor Theatres)

Education, training and research have always been at the core of the Mater Hospital. We are committed to providing excellence in healthcare for all of our patients and in order to achieve this we recognise that we must support our current and future staff to learn, grow and innovate.

Our strong academic partnerships allow us to deliver undergraduate and postgraduate education to hundreds of healthcare professionals including nurses, doctors, clinical therapists, radiographers and many more. We also work closely with academic institutions to deliver cutting edge research that has a direct impact on patient care.

Read more about our education and training and research and innovation.

• The Mater Hospital
• St Vincent’s University Hospital
• Midland Regional Hospital Mullingar
• St Luke’s General Hospital, Kilkenny
• Wexford General Hospital
• National Maternity Hospital
• Our Lady’s Hospital, Navan
• St Columcille’s Hospital
• St Michael’s Hospital, Dun Laoghaire
• Cappagh National Orthopaedic Hospital
• Royal Victoria Eye and Ear Hospital