Physicians, Doctors, Dentists, Orthodontists, Periodontists, Surgeons, Hospitals, Cardiologists, Physical Therapists, Veterinarians, Podiatrists, Home Health Care, Medical Device Groups, Detox Centers, Prosthetic Manufacturers, Audiologists, Chiropractors, and more! With the rise of this technology, it will be important for all people in business and politics to take steps to ensure they are safe from disinformation campaigns.
Most reviews are submitted by actual patients that are just passing on a description of their experience with the doctor in order to help other patients decide what is best for them.
In my state it is the department of public health that does these.