Wiener Privatklinik (WPK)
| Turkey | Austria | Spain | |
| Ventricular Septal Defect Surgery | from $12,000 | from $40,000 | from $30,000 |
| Open heart surgery | from $8,000 | from $70,000 | from $30,000 |
| Interventricular septal defect surgery | from $18,000 | from $60,000 | from $35,000 |
Dr. Marek Ehrlich is a cardiac surgeon at Vienna General Hospital (AKH). He has managed the hospital’s aneurysm program since 2010. Dr. Ehrlich specializes in aortic valve replacement and complex cardiac surgery. He completed international training at Stanford, Mount Sinai, and Houston.