| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 5.0 / 5 (3) | Madrid, Spain | — | — | Doppler sonography (ultrasonography, duplex angioscanning) vessels, Lab tests | — | — | Joint Commission International , International Organization for Standardization |