| Carolina Medical Center | Not Rated | United States | 
          
                  | Casa De Saúde São José | Not Rated | Brazil | 
          
                  | Castle Craig Hospital | Not Rated | United Kingdom | 
          
                  | Cavendish Clinic | Not Rated | United Kingdom | 
          
                  | Cedar House Clinic | Not Rated | United Kingdom | 
          
                  | Center For Embryo Medicine - Barcelona | Not Rated | Spain | 
          
                  | Center For Human Reproduction, North Shore University Hospital | Not Rated | United States | 
          
                  | Central Hospital | Not Rated | Sri Lanka | 
          
                  | Central Maine Medical Centre | Not Rated | United States | 
          
                  | Centre For Reproductive Medicine Wales (crmw) | Not Rated | United Kingdom | 
          
                  | Centre For Sight | Not Rated | India | 
          
                  | Centro Oncologico Integral | Not Rated | United States | 
          
                  | Changing Looks | Not Rated | India | 
          
                  | Charing Cross Hospital | Not Rated | United Kingdom | 
          
                  | Chennai Plastic Surgery | Not Rated | India | 
          
                  | Chinese Hospital Outpatient Services | Not Rated | United States | 
          
                  | Chris O'brien Lifehouse - Ambulatory Services | Not Rated | Australia | 
          
                  | Cirugía Plástica De Dr. Garcia-guilarte En Madrid | Not Rated | Spain | 
          
                  | Cleveland Clinic | Not Rated | United States | 
          
                  | Clifford Hospital | Not Rated | China |