Health law attorneys in United States deal with disputes between patients, health care providers such as doctors and nurses, hospitals, private entities and government entities that pay for health care serves. Health care law involves local, state, and federal regulations. Health care law is defined to encompass medical law, contract law, medical malpractice, public health law and administrative law. Health care attorneys in United States also resolve disputes with the transactional, operational and regulatory scheme between those that deliver health care services and the patients who seek treatment.