| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 2.7 / 5 | Minato City, Japan | — | — | Drug therapy, blood purification therapy (apheresis), physical therapy, exercise therapy, topical medications, joint X-ray and MRI | Collagen disease patients seeking blood purification (apheresis) | Dedicated rheumatology outpatient clinic with an NIH-trained, dual board-certified rheumatologist; JCI-accredited outpatient program. On-site lab returns blood results in about an hour, with 3.0 Tesla MRI and 80-slice CT. | Joint Commission International |