General hospital · Scheemda

Ommelander Ziekenhuis Groningen

Wait times over the norm63%

62 of 98 over the norm

Result€2.8 m

2025, margin 1.4%

Solvency22%

sector average 36% (2024)

Parking per hour€0

Scheemda

Locations

Ommelander Ziekenhuis GroningenPastorieweg, 9679BJ Scheemda

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

Ommelander Ziekenhuis GroningenAll 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
Sleep apnoea treatmentENT / Respiratory medicine	300 days	17 of 17	42 days28–89 days
Septoplasty (nasal septum surgery)ENT	136 days	44 of 61	81 days57–146 days
Breast reconstructionPlastic surgery	119 days	30 of 42	79 days52–130 days
Total knee replacementOrthopaedics	119 days	46 of 60	84 days45–117 days
Apicectomy (root-end surgery)Oral and maxillofacial surgery	100 days	29 of 31	39 days19–60 days
Tooth extraction without general anaestheticOral and maxillofacial surgery	100 days	28 of 34	57 days29–64 days
Surgery for benign anal conditionsSurgery / Dermatology	98 days	46 of 55	49 days33–80 days
Gallbladder removalSurgery	98 days	57 of 63	43 days30–64 days
Umbilical hernia repair in adultsSurgery	98 days	38 of 50	53 days34–97 days
Groin hernia repairSurgery	98 days	50 of 65	49 days28–91 days
Eyelid surgeryOphthalmology	90 days	23 of 30	54 days39–89 days
Cataract surgeryOphthalmology	90 days	45 of 56	49 days30–84 days
Total hip replacementOrthopaedics	84 days	42 of 61	64 days42–90 days
Meniscus or knee ligament surgerySurgery / Orthopaedics	84 days	43 of 55	50 days33–75 days
Tonsil or adenoid removalENT	84 days	51 of 63	60 days42–82 days
Knee arthroscopyOrthopaedics	84 days	41 of 46	42 days27–63 days
Mohs surgeryDermatology	84 days	18 of 23	54 days42–83 days
Grommets (ear tubes)ENT	84 days	55 of 61	37 days29–51 days
Incontinence or prolapse surgery (women)Gynaecology	70 days	30 of 61	71 days48–117 days
HysterectomyGynaecology	70 days	34 of 58	64 days42–89 days
Varicose vein surgerySurgery	63 days	16 of 26	53 days31–87 days
Kidney stone removal through the skin (PCNL)Urology	49 days	12 of 25	49 days29–63 days
Incontinence or bladder prolapse surgery (men)Urology	49 days	9 of 17	49 days32–68 days
CircumcisionUrology / Surgery	49 days	14 of 35	50 days31–74 days
VasectomySurgery / Urology	49 days	16 of 29	43 days28–63 days
Enlarged prostate surgeryUrology	49 days	19 of 57	61 days43–99 days
Kidney stone lithotripsyUrology	49 days	20 of 22	27 days14–37 days
Pulmonary rehabilitationRehabilitation medicine	38 days	8 of 9	12 days7–28 days
Cardiac rehabilitationRehabilitation medicine	38 days	11 of 13	15 days13–29 days
Stroke rehabilitationRehabilitation medicine	35 days	10 of 13	14 days10–35 days
Cardiac catheterisationCardiology	28 days	31 of 42	21 days15–28 days
Prostate cancer surgeryUrology	28 days	11 of 29	35 days25–50 days
Female sterilisationGynaecology	28 days	4 of 26	48 days35–89 days
Trigger finger releasePlastic surgery	14 days	5 of 35	32 days23–51 days
Dupuytren's contracture surgeryPlastic surgery	14 days	1 of 45	66 days42–96 days
IUI (intrauterine insemination)Gynaecology	14 days	16 of 28	9 days2–36 days
Carpal tunnel surgerySurgery / Plastic surgery / Orthopaedics	14 days	4 of 37	44 days21–59 days
IVF/ICSIGynaecology	14 days	6 of 16	27 days8–44 days

Outpatient clinic: first appointment

For	Wait	Position	Median in the Netherlands25th–75th percentile
Dermatology (general)Dermatology	240 days	66 of 66	35 days28–70 days
CataractOphthalmology	200 days	42 of 47	20 days8–40 days
Ophthalmology (general)Ophthalmology	200 days	49 of 58	59 days21–90 days
Sleep centreOther	140 days	19 of 24	70 days43–125 days
Gastroenterology (general)Gastroenterology	130 days	46 of 66	98 days50–148 days
Oral and maxillofacial surgeryOral and maxillofacial surgery	100 days	53 of 57	31 days15–59 days
Incontinence in womenGynaecology	99 days	36 of 44	67 days49–91 days
Groin herniaSurgery	98 days	51 of 52	17 days7–28 days
Gynaecology (general)Gynaecology	91 days	43 of 68	72 days45–114 days
ENT (general)ENT	90 days	65 of 66	21 days12–30 days
Hearing loss and deafnessENT	90 days	42 of 47	25 days14–43 days
Foot and ankle problemsOrthopaedics	84 days	45 of 49	21 days11–50 days
Cardiology (general)Cardiology	70 days	61 of 68	28 days16–45 days
Neurology (general)Neurology	70 days	36 of 67	64 days48–90 days
RehabilitationRehabilitation	70 days	35 of 40	36 days21–43 days
Slipped disc in the neckNeurology	70 days	19 of 34	59 days48–94 days
Slipped disc in the backNeurology	70 days	23 of 37	57 days46–92 days
Geriatric medicineGeriatric medicine	60 days	57 of 63	28 days16–45 days
Paediatric orthopaedicsPaediatrics	56 days	19 of 27	41 days30–57 days
Back problemsOrthopaedics	56 days	34 of 42	24 days13–42 days
Respiratory medicine (general)Respiratory medicine	56 days	58 of 68	28 days13–42 days
Paediatric internal medicinePaediatrics	56 days	23 of 30	30 days17–55 days
Paediatrics (general)Paediatrics	56 days	47 of 65	35 days21–57 days
Vascular surgerySurgery	56 days	58 of 62	18 days10–30 days
Hip problemsOrthopaedics	56 days	45 of 51	14 days7–24 days
Paediatric neurologyPaediatrics	56 days	29 of 35	37 days22–47 days
Paediatric cardiologyPaediatrics	56 days	26 of 34	31 days18–55 days
Orthopaedics (general)Orthopaedics	56 days	53 of 59	14 days7–30 days
ProctologySurgery	56 days	40 of 47	25 days13–48 days
Knee problemsOrthopaedics	56 days	46 of 51	14 days7–31 days
Surgery (general)Surgery	56 days	61 of 66	14 days7–27 days
Shoulder problemsOrthopaedics	56 days	42 of 48	20 days14–29 days
NephrologyInternal medicine	55 days	41 of 51	33 days19–50 days
EndocrinologyInternal medicine	55 days	29 of 49	48 days29–67 days
ImmunologyInternal medicine	50 days	16 of 25	38 days29–60 days
Internal medicine (general)Internal medicine	50 days	42 of 68	42 days24–61 days
Plastic surgery (general)Plastic surgery	42 days	48 of 63	24 days10–42 days
Rheumatology (general)Rheumatology	28 days	11 of 60	47 days29–90 days
Fertility problemsGynaecology	25 days	8 of 55	60 days38–80 days
Urology (general)Urology	21 days	19 of 66	32 days20–60 days
Plastic surgery for cancerPlastic surgery	14 days	18 of 32	11 days7–21 days
Pain managementAnaesthesiology	7 days	4 of 65	58 days23–90 days
Suspicious skin lesionDermatology	7 days	12 of 48	13 days7–38 days
Medical oncologyInternal medicine	5 days	8 of 49	9 days6–15 days
Breast clinicSurgery	1 days	7 of 59	3 days2–5 days

Tests

For	Wait	Position	Median in the Netherlands25th–75th percentile
Sleep study (polysomnography)ENT / Respiratory medicine / Neurology	300 days	32 of 32	46 days25–68 days
Sleep apnoea testingENT / Respiratory medicine / Neurology	300 days	40 of 40	45 days25–70 days
GastroscopyGastroenterology	40 days	45 of 61	26 days15–40 days
ColonoscopyGastroenterology	40 days	44 of 61	28 days17–42 days
Bone density scan (DEXA)Radiology	15 days	19 of 60	18 days12–38 days
Abnormal cervical smearGynaecology	14 days	10 of 46	17 days14–30 days
CT scanRadiology	2 days	6 of 63	14 days9–22 days
Ultrasound scanRadiology	2 days	3 of 66	13 days8–17 days
Hip or leg MRIRadiology	2 days	3 of 64	20 days10–33 days
Shoulder or arm MRIRadiology	2 days	2 of 59	20 days13–34 days
Back MRIRadiology	2 days	2 of 62	20 days13–33 days
Neck MRIRadiology	2 days	1 of 60	22 days13–33 days
Brain MRIRadiology	2 days	2 of 61	21 days11–35 days
X-rayRadiology	1 days	27 of 61	1 days0–1 days
MammogramRadiology	1 days	3 of 62	5 days2–10 days

Quality per treatment

Report year 2025, as the hospital reported it, beside the median of all hospitals.

Tonsil or adenoid removal

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Re-operation for bleeding within 14 days (tonsils)lower is better	1.5%	2.6%
Re-operation for bleeding within 14 days (adenoids)lower is better	0.0%	0.0%

Breast implants

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Removed or replaced for a complication within 60 days (reconstruction)lower is better	2.9%	2.6%
Removed or replaced for a complication within 60 days (cosmetic)lower is better	0.0%	0.0%
Removed or replaced for a complication, day 61 to 365 (reconstruction)lower is better	2.8%	3.3%
Removed or replaced for a complication, day 61 to 365 (cosmetic)lower is better	0.0%	0.0%

Breast cancer

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Breast cancer patients operated onnumber per year	167	216
Surgical oncologists treating breast cancernumber of specialists	3	4
Plastic surgeons treating breast cancer patientsnumber of specialists	5	3
Median days from diagnosis to start of treatmentlower is better	31	32

Bowel cancer

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Colon cancer resectionsnumber per year	49	78
Rectal cancer resectionsnumber per year	—	30
Died within 90 days of rectal surgerylower is better	—	0.0%
Complicated recovery after colon surgerylower is better	9.1%	11.6%
Complicated recovery after rectal surgerylower is better	—	20.2%
Died within 90 days of colon surgerylower is better	2.7%	2.2%
Median days from diagnosis to treatment (colon)lower is better	26	36.8

Diabetes

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Diabetes patients treated by the paediatriciannumber per year	48	99
Diabetes patients treated by the internistnumber per year	881	1,350
Paediatrician: blood sugar on target (HbA1c below 58)higher is better	31.2%	47.8%
Internist: blood sugar on target (HbA1c below 58)higher is better	33.1%	42.3%
Paediatrician: blood sugar far too high (HbA1c above 86)lower is better	18.8%	5.9%
Internist: blood sugar far too high (HbA1c above 86)lower is better	12.4%	5.3%

Peripheral arterial disease

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Certified vascular surgeonsnumber of specialists	3	4
Vascular interventional radiologistsnumber of specialists	3	4

Gallbladder removal (gallstones)

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Readmitted for a complication within 30 days of surgerylower is better	0.0%	2.8%

Hip fracture

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Hip fractures treatednumber per year	284	293
Mobility score after 3 months, fully mobile before (1 = best)lower is better	2.8	2.6
ADL help needed after 3 months, independent before (0 = none)lower is better	1.6	1.3

Gynaecological cancer

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Debulking operations for ovarian cancernumber per year	—	60
Operations for endometrial cancernumber per year	44	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

Hip replacement

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Hip replacementsnumber per year	313	421
Orthopaedic surgeons performing hip revisionsnumber of specialists	4	4
Orthopaedic surgeons placing hip replacementsnumber of specialists	5	5
Deep wound infection within 90 dayslower is better	0.9%	0.7%
Average hip score gain (OHS) after 12 monthshigher is better	19.5	18.6
Average drop in pain when active after 12 monthshigher is better	6.0	5.8
Revision within 1 year (adjusted)lower is better	0.6%	0.9%

Incontinence or prolapse in women

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Much or very much better after surgeryhigher is better	77.3%	90.8%

Cancer care (general)

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Kidney cancer operationsnumber per year	—	54
Colon resectionsnumber per year	99	131
Rectal resectionsnumber per year	—	46
Resections of liver metastasesnumber per year	—	36
Thyroid cancer patients operated onnumber per year	—	18
Gynaecologic oncologists in FTEnumber of specialists	—	2.6

Knee replacement

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Total knee replacementsnumber per year	218	310
Partial knee replacementsnumber per year	41	79
Orthopaedic surgeons performing knee revisionsnumber of specialists	3	3
Orthopaedic surgeons placing knee replacementsnumber of specialists	4	5
Deep wound infection within 90 dayslower is better	1.3%	0.4%
Average knee score gain (OKS) after 12 monthshigher is better	16.7	15.3
Average drop in pain when active after 12 monthshigher is better	5.5	4.9
Revision within 3 years (adjusted)lower is better	1.3%	1.3%

Surgery for children

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Groin and scrotal operations in childrennumber per year	31	43
Operations for pyloric stenosisnumber per year	—	15

Emergency department

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Patients with severe multiple injuries receivednumber per year	11	33

Cataract surgery

Indicator	Ommelander Ziekenhuis Groningen	Median in the Netherlands
Better sight after surgery (at least 1 line gained)higher is better	95.4%	94.5%
Within 0.5 dioptre of the target strength after 4-6 weekshigher is better	74.7%	77.7%

Annual accounts

Figures of Ommelander Ziekenhuis Groningen B.V., from its public annual accounts.

Year	Revenue	Costs	Result	Margin	Equity	Solvency	Cash
2025filed 29 May 2026	€200 m	€195 m	€2.8 m	1.4%	€28 m	21.7%	€17 m
2024filed 16 October 2025	€187 m	€185 m	−€105,000	-0.1%	€25 m	19.3%	€22 m
2023filed 30 May 2024	€164 m	€165 m	−€2.4 m	-1.5%	€26 m	19.3%	€7.9 m
Sector average, General hospital (2024)
2024	—	—	—	2%	—	36%	—

Staff

Year	Care staff	Sick leave	Long-open vacancies
2025	897	6.1%	16
2024	961	8.1%	11
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

Bastiaan Melchior Wallis de VriesAlgemeen bestuurder · since 1 July 2022
Roelof Jan Venemalid Raad van Bestuur · since 1 April 2025

Supervisory board

Ulco VermeulenCommissaris · since 1 March 2018
Herma Inge Citha van der WalCommissaris · since 1 October 2020
Audrey Antuma - KoopsCommissaris · since 1 December 2022
Ruurd Jan RoordaCommissaris · since 1 January 2024
Jacobus WijmaCommissaris · since 1 October 2025

Owner

Academisch Ziekenhuis GroningenEnig aandeelhouder · since 17 December 2015

Parking

Scheemda

€0 an hour. Daily maximum €0.

Parking is free on the car park with over 700 spaces.

Read on the hospital's website, 2 November 2026.