Mazowiecki Szpital Onkologicznysp. z o.o.
Other human health activities not elsewhere classified
Overview
Mazowiecki Szpital Onkologiczny provides oncology care and radiological, endoscopic and laboratory diagnostics. Its services include mammography, computed tomography, magnetic resonance imaging, ultrasound and X-ray examinations, as well as clinical trials and care provided under agreements with the Polish National Health Fund.
Financials
Revenue history (in m)
Financial insight
- Estonian CIT: Equity (Pasywa A) includes non-zero line items under Art. 28d of the Accounting Act — the filing indicates the lump-sum tax on company income.
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
Bank accounts
Registered as a VAT taxpayer on 2018-09-01. Active
39 2490 0005 0000 4530 0045 4892
29 1050 1025 1000 0090 3143 9871- 35 1050 1025 1000 0024 4871 5280
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jan 9, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | — | PGE Obrót S.A. | |
| Nov 26, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | — | E.ON Polska S.A. |
Tenders
No recorded participation in tenders.
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Authorized Representatives
Manner of representation
Authorized to make declarations of will on behalf of the company are the President of the Management Board and the Vice-President independently, or two members of the management board acting jointly.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Aleksandra Anna Cienkowska (21) | 24 | $324.15 | 24% |
Ewa Sylwia Cienkowska (59) | 24 | $324.15 | 24% |
Mirosław Cienkowski (56) | 28 | $378.17 | 28% |
Paweł Cienkowski | 24 | $324.15 | 24% |
Mirosław Cienkowski, Aleksandra Anna Cienkowska, Ewa Sylwia Cienkowska and Paweł Cienkowski hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Aleksandra Anna Cienkowska (21)  | Shareholder of a limited liability company, 1250.0 PLN |
Mirosław Cienkowski (56) | Shareholder of a limited liability company, 1350.0 PLN |
Competitors
| Name | Revenue | Website | |
|---|---|---|---|
| Mazowiecki Szpital Wojewódzki Im. Św. Jana Pawła II w Siedlcachsp. z o.o. | $167,121,525.40 | szpital.siedlce.pl | |
| LUX Med Onkologiasp. z o.o. | $121,974,338.96 | onkologia.luxmed.pl | |
| Miedziowe Centrum ZdrowiaS.A. | $75,720,015.92 | mcz.pl | |
| Szpital w Puszczykowie Im. Prof. S.T. DąbrowskiegoS.A. | $67,672,403.11 | szpitalwpuszczykowie.com.pl | |
| VoxelS.A. | $53,719,762.23 | voxel.pl | |
| Szpital Czerniakowskisp. z o.o. | $53,133,134.99 | szpitalczerniakowski.waw.pl | |
| Sosnowiecki Szpital Miejskisp. z o.o. | $47,399,674.90 | szpital.sosnowiec.pl | |
| Szpital Grochowski Im.Dr Med. Rafała Masztakasp. z o.o. | $46,519,561.61 | grochowski.com.pl | |
| Tomma Diagnostyka ObrazowaS.A. | $41,423,915.29 | tomma.com.pl | |
| NU - Med GrupaS.A. | $25,775,184.94 | nu-med.pl |
Change history
| Date | Event |
|---|---|
| 2018-10-03 | Address change (Ul. Łabiszyńska 25, 03-204, Warszawa → Aleja "solidarności" 12, 03-411, Warszawa) |
| 2018-02-13 | Entered in the register |
FAQ
Last updated: 2026-09-10