| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | 33+ years23,000+ treatments | Cultured mesenchymal stem cell (MSC) therapy, intra-articular stem cell injection, adipose-derived cells, bone marrow-derived MSCs | Knee osteoarthritis patients seeking non-surgical options | Offers advanced cultured stem cell techniques with 250+ million cells, includes MRI follow-ups and personalized rehab programs. JCI-accredited with 90% patient recommendation rate. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 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 | ||
| #3 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | Stem cell therapy for knees | — | — | Joint Commission International , European Society for Medical Oncology |