BudgetState Hospitals / Hospitals
General hospital · Groningen
Martini Ziekenhuis
Wait times over the norm72%
49 of 68 over the norm
Result€15 m
2025, margin 3.1%
Solvency42%
sector average 36% (2024)
Parking per hour€3
Groningen
Locations
- Martini ZiekenhuisVan Swietenplein, 9728NT Groningen
Wait times
Latest report: 27 October 2026. Over the norm first. The colour measures a wait against the Treeknorm, the position against the other hospitals: position 1 is the shortest.
Over the norm, every fortnight
Martini ZiekenhuisAll hospitals
Waits against the norm, by kind
within the Treeknormover it, up to one and a half timesmore than one and a half timesnot reported
Treatments
| For | Wait | Position | Median in the Netherlands25th–75th percentile |
|---|---|---|---|
| Cataract surgeryOphthalmology | 388 days | 56 of 56 | 49 days30–84 days |
| Breast reconstructionPlastic surgery | 203 days | 40 of 42 | 79 days52–130 days |
| Septoplasty (nasal septum surgery)ENT | 189 days | 54 of 61 | 81 days57–146 days |
| Tonsil or adenoid removalENT | 167 days | 63 of 63 | 60 days42–82 days |
| Incontinence or prolapse surgery (women)Gynaecology | 140 days | 51 of 61 | 71 days48–117 days |
| Total knee replacementOrthopaedics | 133 days | 51 of 60 | 84 days45–117 days |
| Surgery for benign anal conditionsSurgery / Dermatology | 132 days | 50 of 55 | 49 days33–80 days |
| Female sterilisationGynaecology | 124 days | 22 of 26 | 48 days35–89 days |
| Umbilical hernia repair in adultsSurgery | 119 days | 42 of 50 | 53 days34–97 days |
| Groin hernia repairSurgery | 115 days | 56 of 65 | 49 days28–91 days |
| Varicose vein surgerySurgery | 108 days | 22 of 26 | 53 days31–87 days |
| HysterectomyGynaecology | 105 days | 49 of 58 | 64 days42–89 days |
| Gallbladder removalSurgery | 99 days | 58 of 63 | 43 days30–64 days |
| Meniscus or knee ligament surgerySurgery / Orthopaedics | 90 days | 46 of 55 | 50 days33–75 days |
| Total hip replacementOrthopaedics | 79 days | 41 of 61 | 64 days42–90 days |
| Prostate cancer surgeryUrology | 73 days | 29 of 29 | 35 days25–50 days |
| Enlarged prostate surgeryUrology | 73 days | 34 of 57 | 61 days43–99 days |
| CircumcisionUrology / Surgery | 71 days | 26 of 35 | 50 days31–74 days |
| Knee arthroscopyOrthopaedics | 66 days | 36 of 46 | 42 days27–63 days |
| Dupuytren's contracture surgeryPlastic surgery | 61 days | 21 of 45 | 66 days42–96 days |
| Slipped disc or spinal stenosis surgeryNeurosurgery / Orthopaedics | 36 days | 10 of 44 | 55 days42–71 days |
Outpatient clinic: first appointment
| For | Wait | Position | Median in the Netherlands25th–75th percentile |
|---|---|---|---|
| Neurology (general)Neurology | 365 days | 67 of 67 | 64 days48–90 days |
| CataractOphthalmology | 210 days | 43 of 47 | 20 days8–40 days |
| Ophthalmology (general)Ophthalmology | 210 days | 52 of 58 | 59 days21–90 days |
| Sleep centreOther | 200 days | 23 of 24 | 70 days43–125 days |
| Gynaecology (general)Gynaecology | 200 days | 64 of 68 | 72 days45–114 days |
| Hearing loss and deafnessENT | 150 days | 46 of 47 | 25 days14–43 days |
| Geriatric medicineGeriatric medicine | 130 days | 62 of 63 | 28 days16–45 days |
| Pain managementAnaesthesiology | 126 days | 58 of 65 | 58 days23–90 days |
| ImmunologyInternal medicine | 120 days | 24 of 25 | 38 days29–60 days |
| AllergyInternal medicine | 120 days | 15 of 23 | 72 days34–143 days |
| Surgery (general)Surgery | 120 days | 65 of 66 | 14 days7–27 days |
| Internal medicine (general)Internal medicine | 120 days | 62 of 68 | 42 days24–61 days |
| Gastroenterology (general)Gastroenterology | 95 days | 33 of 66 | 98 days50–148 days |
| Incontinence in womenGynaecology | 90 days | 28 of 44 | 67 days49–91 days |
| Urology (general)Urology | 90 days | 56 of 66 | 32 days20–60 days |
| Oral and maxillofacial surgeryOral and maxillofacial surgery | 84 days | 47 of 57 | 31 days15–59 days |
| Fertility problemsGynaecology | 80 days | 41 of 55 | 60 days38–80 days |
| Paediatrics (general)Paediatrics | 77 days | 55 of 65 | 35 days21–57 days |
| Dermatology (general)Dermatology | 75 days | 52 of 66 | 35 days28–70 days |
| RehabilitationRehabilitation | 60 days | 33 of 40 | 36 days21–43 days |
| Vascular surgerySurgery | 60 days | 59 of 62 | 18 days10–30 days |
| ENT (general)ENT | 54 days | 59 of 66 | 21 days12–30 days |
| Orthopaedics (general)Orthopaedics | 50 days | 51 of 59 | 14 days7–30 days |
| Rheumatology (general)Rheumatology | 44 days | 30 of 60 | 47 days29–90 days |
| NephrologyInternal medicine | 42 days | 34 of 51 | 33 days19–50 days |
| Sports medicineSports medicine | 35 days | 15 of 26 | 26 days11–43 days |
| Cardiology (general)Cardiology | 30 days | 37 of 68 | 28 days16–45 days |
| EndocrinologyInternal medicine | 28 days | 12 of 49 | 48 days29–67 days |
| Respiratory medicine (general)Respiratory medicine | 21 days | 27 of 68 | 28 days13–42 days |
| Suspicious skin lesionDermatology | 20 days | 28 of 48 | 13 days7–38 days |
| Neurosurgery (general)Neurosurgery | 14 days | 4 of 41 | 42 days22–63 days |
| Breast clinicSurgery | 14 days | 55 of 59 | 3 days2–5 days |
| Plastic surgery (general)Plastic surgery | 14 days | 22 of 63 | 24 days10–42 days |
| Medical oncologyInternal medicine | 7 days | 14 of 49 | 9 days6–15 days |
Tests
| For | Wait | Position | Median in the Netherlands25th–75th percentile |
|---|---|---|---|
| Sleep apnoea testingENT / Respiratory medicine / Neurology | 200 days | 38 of 40 | 45 days25–70 days |
| Bone density scan (DEXA)Radiology | 36 days | 42 of 60 | 18 days12–38 days |
| ColonoscopyGastroenterology | 21 days | 20 of 61 | 28 days17–42 days |
| GastroscopyGastroenterology | 14 days | 14 of 61 | 26 days15–40 days |
| Back MRIRadiology | 14 days | 17 of 62 | 20 days13–33 days |
| Neck MRIRadiology | 14 days | 17 of 60 | 22 days13–33 days |
| Brain MRIRadiology | 14 days | 19 of 61 | 21 days11–35 days |
| Hip or leg MRIRadiology | 13 days | 20 of 64 | 20 days10–33 days |
| Shoulder or arm MRIRadiology | 13 days | 15 of 59 | 20 days13–34 days |
| Ultrasound scanRadiology | 12 days | 28 of 66 | 13 days8–17 days |
| CT scanRadiology | 11 days | 23 of 63 | 14 days9–22 days |
| MammogramRadiology | 9 days | 43 of 62 | 5 days2–10 days |
| X-rayRadiology | 1 days | 27 of 61 | 1 days0–1 days |
Quality per treatment
Report year 2025, as the hospital reported it, beside the median of all hospitals.
Tonsil or adenoid removal
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Re-operation for bleeding within 14 days (tonsils)lower is better | 2.6% | 2.6% |
| Re-operation for bleeding within 14 days (adenoids)lower is better | 0.0% | 0.0% |
Abdominal aortic aneurysm
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Aortic aneurysm or dissection repairsnumber per year | 52 | 69 |
| Died within 30 days after repair of a ruptured aneurysmlower is better | 30.0% | 24.2% |
| Died within 30 days after repair of an intact aneurysmlower is better | 2.2% | 1.5% |
| Uncomplicated recovery after planned repair (textbook outcome)higher is better | 80.3% | 76.0% |
Stroke
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Stroke patientsnumber per year | 671 | 570 |
| Median minutes from arrival to clot-busting treatmentlower is better | 40 | 29 |
Breast implants
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Removed or replaced for a complication within 60 days (reconstruction)lower is better | 1.2% | 2.6% |
| Removed or replaced for a complication within 60 days (cosmetic)lower is better | 1.9% | 0.0% |
| Removed or replaced for a complication, day 61 to 365 (reconstruction)lower is better | 8.9% | 3.3% |
| Removed or replaced for a complication, day 61 to 365 (cosmetic)lower is better | 0.0% | 0.0% |
Breast cancer
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Breast cancer patients operated onnumber per year | 355 | 216 |
| Surgical oncologists treating breast cancernumber of specialists | 7 | 4 |
| Plastic surgeons treating breast cancer patientsnumber of specialists | 5 | 3 |
| Median days from diagnosis to start of treatmentlower is better | 35 | 32 |
Chronic kidney disease and dialysis
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Started dialysis with a working fistula or PD catheterhigher is better | 76.3% | 64.2% |
Bowel cancer
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Colon cancer resectionsnumber per year | 129 | 78 |
| Rectal cancer resectionsnumber per year | 72 | 30 |
| Died within 90 days of rectal surgerylower is better | 0.0% | 0.0% |
| Complicated recovery after colon surgerylower is better | 15.2% | 11.6% |
| Complicated recovery after rectal surgerylower is better | 6.5% | 20.2% |
| Died within 90 days of colon surgerylower is better | 2.5% | 2.2% |
| Median days from diagnosis to treatment (colon)lower is better | 28.5 | 36.8 |
Diabetes
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Diabetes patients treated by the paediatriciannumber per year | — | 99 |
| Diabetes patients treated by the internistnumber per year | 1,350 | 1,350 |
| Paediatrician: blood sugar on target (HbA1c below 58)higher is better | — | 47.8% |
| Internist: blood sugar on target (HbA1c below 58)higher is better | 45.3% | 42.3% |
| Paediatrician: blood sugar far too high (HbA1c above 86)lower is better | — | 5.9% |
| Internist: blood sugar far too high (HbA1c above 86)lower is better | 4.4% | 5.3% |
Coronary angioplasty (PCI)
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Died within 30 days of angioplasty (PCI)lower is better | 100.0% | 2.6% |
| Died within 1 year of angioplasty (PCI)lower is better | 0.0% | 5.1% |
| Unplanned repeat procedure on the same vessel within 1 yearlower is better | 0.0% | 2.6% |
Peripheral arterial disease
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Certified vascular surgeonsnumber of specialists | 4 | 4 |
| Vascular interventional radiologistsnumber of specialists | 1 | 4 |
Gallbladder removal (gallstones)
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Readmitted for a complication within 30 days of surgerylower is better | 2.5% | 2.8% |
Hip fracture
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Hip fractures treatednumber per year | 474 | 293 |
| Mobility score after 3 months, fully mobile before (1 = best)lower is better | 2.3 | 2.6 |
| ADL help needed after 3 months, independent before (0 = none)lower is better | 0.9 | 1.3 |
Gynaecological cancer
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Debulking operations for ovarian cancernumber per year | — | 60 |
| Operations for endometrial cancernumber per year | 97 | 64 |
| Tumour fully removed at primary debulking (ovary)higher is better | — | 90.8% |
| Complicated recovery after ovarian debulking (adjusted)lower is better | — | 6.9% |
| Complicated recovery after keyhole hysterectomy (adjusted)lower is better | 0.0% | 0.0% |
| Died within 30 days of ovarian debulking (adjusted)lower is better | — | 0.0% |
| Median days from first visit to debulking surgerylower is better | — | 35.2 |
Carotid artery surgery
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Carotid artery proceduresnumber per year | 48 | 48 |
| Died within 30 days of the procedurelower is better | 0.8% | 0.8% |
| Bleeding within 30 dayslower is better | 5.8% | 2.5% |
| Neurological event within 30 dayslower is better | 1.6% | 2.0% |
| Uncomplicated recovery (textbook outcome)higher is better | 80.2% | 79.8% |
Slipped disc or spinal stenosis
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Re-operation within 30 dayslower is better | 0.0% | 0.4% |
| Spinal fluid leak during surgerylower is better | 0.0% | 0.3% |
| Deep wound infectionlower is better | 0.0% | 0.0% |
| More muscle weakness right after surgerylower is better | 0.0% | 0.0% |
Hip replacement
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Hip replacementsnumber per year | 878 | 421 |
| Orthopaedic surgeons performing hip revisionsnumber of specialists | 4 | 4 |
| Orthopaedic surgeons placing hip replacementsnumber of specialists | 9 | 5 |
| Deep wound infection within 90 dayslower is better | 1.8% | 0.7% |
| Average hip score gain (OHS) after 12 monthshigher is better | 16.8 | 18.6 |
| Average drop in pain when active after 12 monthshigher is better | 5.0 | 5.8 |
| Revision within 1 year (adjusted)lower is better | 1.1% | 0.9% |
Cancer care (general)
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Kidney cancer operationsnumber per year | 81 | 54 |
| Colon resectionsnumber per year | 129 | 131 |
| Rectal resectionsnumber per year | 72 | 46 |
| Resections of liver metastasesnumber per year | — | 36 |
| Thyroid cancer patients operated onnumber per year | 0 | 18 |
| Gynaecologic oncologists in FTEnumber of specialists | — | 2.6 |
Knee replacement
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Total knee replacementsnumber per year | 580 | 310 |
| Partial knee replacementsnumber per year | 298 | 79 |
| Orthopaedic surgeons performing knee revisionsnumber of specialists | 5 | 3 |
| Orthopaedic surgeons placing knee replacementsnumber of specialists | 9 | 5 |
| Deep wound infection within 90 dayslower is better | 0.4% | 0.4% |
| Average knee score gain (OKS) after 12 monthshigher is better | 15.2 | 15.3 |
| Average drop in pain when active after 12 monthshigher is better | 4.8 | 4.9 |
| Revision within 3 years (adjusted)lower is better | 0.9% | 1.3% |
Lung cancer
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Lung resectionsnumber per year | 64 | 64 |
| Lung cancer patients given curative radiotherapynumber per year | — | 174 |
| Died within 90 days of stereotactic radiotherapylower is better | — | 0.8% |
| Died within 30 days of lung surgerylower is better | 1.4% | 0.9% |
| Complicated recovery after lung surgerylower is better | 3.1% | 12.6% |
| Died within 90 days of chemoradiotherapylower is better | — | 1.1% |
Surgery for children
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Groin and scrotal operations in childrennumber per year | 20 | 43 |
| Operations for pyloric stenosisnumber per year | 0 | 15 |
Emergency department
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Patients with severe multiple injuries receivednumber per year | 47 | 33 |
Cataract surgery
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Better sight after surgery (at least 1 line gained)higher is better | 97.1% | 94.5% |
| Within 0.5 dioptre of the target strength after 4-6 weekshigher is better | 82.3% | 77.7% |
Spinal fusion
| Indicator | Martini Ziekenhuis | Median in the Netherlands |
|---|---|---|
| Re-operation within 30 dayslower is better | 0.0% | 3.1% |
| Spinal fluid leak during surgerylower is better | 0.9% | 0.7% |
| Deep wound infectionlower is better | 0.0% | 2.0% |
| More muscle weakness right after surgerylower is better | 0.0% | 0.0% |
Annual accounts
Consolidated figures of Stichting Martini Ziekenhuis, from its public annual accounts.
| Year | Revenue | Costs | Result | Margin | Equity | Solvency | Cash |
|---|---|---|---|---|---|---|---|
| 2025filed 28 May 2026 | €492 m | €475 m | €15 m | 3.1% | €137 m | 41.8% | €74 m |
| 2024filed 27 May 2025 | €447 m | €433 m | €12 m | 2.7% | €122 m | 38.4% | €34 m |
| 2023filed 28 May 2024 | €418 m | €414 m | €936,000 | 0.2% | €110 m | 34.9% | €21 m |
| Sector average, General hospital (2024) | |||||||
| 2024 | — | — | — | 2% | — | 36% | — |
Staff
| Year | Care staff | Sick leave | Long-open vacancies |
|---|---|---|---|
| 2025 | 2,686 | 6.5% | 9 |
| 2024 | 1,920 | 8.0% | 25 |
| 2023 | — | — | — |
Care staff: the average number of people in care. Sick leave: the care staff's sickness absence. Long open: vacancies open for three months or more.
Board and supervision
As the register lists them with the annual accounts for 2025.
Board of directors
- Henk André SnapperVoorzitter Raad van Bestuur · since 15 January 2024
- Fleurisca Joyce Nieuwenhuis - Korteweglid raad van bestuur · since 22 August 2024
Supervisory board
- Arie Korstiaan in 't VeldLid van de raad van toezicht · since 1 January 2018
- Johanna Maria Wilhelmina HazesLid van de raad van toezicht · since 1 January 2018
- Wilhelmus Josephus Maria SpaanLid van de Raad van Toezicht · since 1 June 2020
- Trijntje Stellema - LangiusLid van de Raad van Toezicht · since 1 July 2021
- Madelon Patricia de WildeCommissaris · since 1 July 2024
- Anje Geertine Maria Busstra - Doornboslid Raad van Toezicht · since 1 January 2025
- Dirk Jan Klein Essinklid Raad van Toezicht · since 1 January 2025
Proxies and others
- Joannes Louis NijhofManager Facilitair Bedrijf · since 1 January 2019
- Machiel van der SchaafGevolmachtigde · since 1 September 2020
- Albert-Jan Martin BoerStafdirecteur · since 1 October 2021
- Hendrik Martin HemmenStafdirecteur · since 1 February 2022
- Laura SolStafdirecteur · since 1 October 2022
- Annet Dirkina TonkesProcuratiehouder · since 30 November 2022
- Wouter LoefGevolmachtigde · since 1 May 2024
Parking
Groningen
€3 an hour. The first 25 minutes free. For patients or regular visitors: €5.50 a day.
Steps from €2.50 (26–55 minutes) to €5.50 (after 325 minutes), then €2.90 per hour; patients and companions at most €5.50 per day.
Read on the hospital's website, 2 November 2026.