What title is given to the physician who authorizes EMTs to provide medical care in the field?

The title given to the physician who authorizes EMTs to provide medical care in the field is the Medical Director. This role is crucial because the Medical Director is responsible for overseeing the pre-hospital care provided by EMTs and ensuring that they operate within the protocols established for patient care.

The Medical Director typically develops and evaluates the treatment protocols and standards that EMTs follow, providing medical oversight to ensure that care aligns with current best practices. This can include training for EMTs, quality assurance of patient care, and updates on the latest medical guidelines.

The other titles mentioned do not typically carry the same level of authority or responsibility regarding direct medical oversight of ambulance services. Therefore, the Medical Director is the correct and relevant role for authorizing EMTs in the field.