| WA Regenerative Medicine | China | Other services | China |
| WABI Beauty Centre | Hungary | Cosmetic surgery | Hungary |
| Warrens Dental Services | | Dentistry | Barbados |
| Wavikar Eye Institute, Mumbai: Eye surgery in India | India | Surgery – Eye | India |
| We Care Health Services | India | Cosmetic surgery, Infertility treatment, Surgery | India |
| Weatherby Healthcare | | | United States of America |
| Weatherby Healthcare | | Cancer treatment, Care of the elderly, CT and MRI scans, Infertility treatment, Medical and health spas, Stem cell treatment, Surgery - Cosmetic and plastic, Surgery – Eye, Surgery – General, Surgery... | United States of America |
| Weight Loss Surgery Group | Belgium | | United Kingdom |
| WeightLoss Solutions Australia | Australia | Surgery - Obesity | Australia |
| Welcare Hospital | India | Surgery – Hip, Surgery - Knee, Surgery - Orthopaedic, Surgery - Shoulder, Surgery - Spine | India |
| WellB Wholistic Health and Spa Retreat Centre | China | Medical and health spas | China |
| Well-Being Travel | United States of America | | United States of America |
| wellcaremedical tourism | India | | India |
| Wellness Destination India | India | Surgery - Cosmetic and plastic | India |
| Wellness Destination India | India | Dentistry, Hair transplantation, Medical and health spas | India |
| Wellness Kliniek | Belgium | Surgery - Cosmetic and plastic | Belgium |
| Wellness Kliniek | Belgium | Dentistry | Belgium |
| Wellness Kliniek | Belgium | Surgery - Obesity | Belgium |
| Wellness Plus India LLP | | Cancer treatment, Care of the elderly, Drug and alcohol rehab, Medical and health spas | India |
| Wellness Visit | Malaysia | Cosmetic surgery, Dentistry, Obesity surgery, Surgery | Malaysia |
| Westcoast International Dental Clinic | Vietnam | Dentistry | Vietnam |
| Westgate Dental Clinic | Philippines | Dentistry | Philippines |
| WhereismyDoctor.com | | Cancer treatment, CT and MRI scans, Dentistry, Hair transplantation, Infertility treatment, Medical and health spas, Stem cell treatment, Surgery - Cosmetic and plastic, Surgery – Eye, Surgery –... | United States of America |
| WHIRL INDIA | | Cancer treatment, Dentistry, Infertility treatment, Medical and health spas, Stem cell treatment, Surgery - Cosmetic and plastic, Surgery – Heart, Surgery – Hip, Surgery - Knee | India |
| Wiener Privatklinik | Austria | CT and MRI scans | Austria |
| Wintergreen Center for Rehabilitation AB | | | Sweden |
| Wockhardt Hospital, Goa | India | Surgery - Cosmetic and plastic, Surgery - Orthopaedic | India |
| Wooridul Spine Hospital | Korea South | Surgery | Korea, South |
| World Health Travel | Latvia | Surgery - Cosmetic and plastic | Latvia |
| WORLD MED NET INDIA | | Cancer treatment, Care of the elderly, CT and MRI scans, Dentistry, Drug and alcohol rehab, Hair transplantation, Infertility treatment, Medical and health spas, Stem cell treatment, Surgery -... | India |
| WorldMedAssist | Belgium, India, Turkey, Korea, Costa Rica and Mexico | | |
| www.FaceLiftMexico.com | Mexico | Cosmetic surgery | United States of America |