Onaseio
Greek name: Ωνάσειο
Official name: Ωνάσειο Καρδιοχειρουργικό Κέντρο
Καρδιοχειρουργικό Κέντρο · Public (ESY) · Health Region 2
On duty today
No confirmed on-call information
Call the hospital to confirm before you go.
All hospitals on duty in Athens today
Contact
Λεωφόρος Συγγρού 356, 17674 Καλλιθέα
- Switchboard: 2109493128
- Switchboard: 2109493113
Emergency department
Hours not available
Operating information — not duty information.
Sources
- 2dype.gov.gr · retrieved 13 October 2026(opens in a new tab)
- openstreetmap.org · retrieved 13 October 2026(opens in a new tab)
Last verified: 13 October 2026
Nearby hospitals
- Rea Maternity Chospital AE (REA Maternity Hospital S.A.) · General · Private · 186m in a straight line
- Kliniki P. Falirou · General · Private · 1.9 km in a straight line
- Persefs Ygeionomiki Merimna A.E. · General · Private · 2.4 km in a straight line
Independent service — not official. Schedules change; confirm by phone.