Under capitalism, there is a separation of health care and state, where the government is not permitted to interfere with the practice of medicine.
Under capitalism, the government may not grant a monopoly to a private doctor’s or union to restrict supply (and thus artificially raise prices).
Under capitalism, the government will not grant a monopoly to a licensing agency to prevent the opening of competing hospitals.
Under capitalism, the government will not ban a drug or medical practice that a doctor thinks can help their patient.
Under capitalism, the government’s sole role is to protect individual rights by enforcing contracts, and protecting the rights of doctors and patients to make decisions free from the initiation of physical force, and its corollary fraud.
Government’s job is to intervene when a doctor commits malpractice (fraud or not fulfill their contractual obligations) through the court system.