| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 2.7 / 5 | Minato City, Japan | — | — | Inhaled bronchodilators, inhaled corticosteroid therapy | Outpatient COPD control with inhaled steroid and bronchodilator therapy | JCI-accredited outpatient clinic, the first in Japan, with on-site 80-slice CT, 3.0 Tesla MRI and same-day blood results; respiratory specialists certified by the Japanese Respiratory Society. | Joint Commission International | |
| #2 | 3.5 / 5 | Chuo City, Japan | — | — | Inhalation therapy, oxygen therapy, non-invasive positive pressure ventilation, high-flow therapy, mechanical ventilation, respiratory rehabilitation | Patients needing outpatient inhaler training and respiratory therapy | Dedicated Respiratory Center offering NIV, high-flow therapy and inpatient plus home respiratory rehabilitation, with a team of nurses, pharmacists and physiotherapists. JCI accredited. | Joint Commission International , European Society for Medical Oncology | |
| #3 | — / 5 | Japan, Japan | — | — | — | — | — | ISO 9001:2015 Quality management systems |