| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 3.4 / 5 (0 reviews) | Madrid, Spain | 32+ years | Stem cell therapy for knees, minimally invasive procedure with cell harvesting from bone marrow or adipose tissue, processing/concentrating cells, precise imaging-guided injection | Athletes with knee joint pathologies | Dr. Manuel Leyes specializes in advanced treatments for knee osteoarthritis and regenerative therapies, with 1,100+ procedures performed. Clinic offers JCI-accredited care with follow-up included. | Joint Commission International |