The physicians who negotiate medical fees for the patients of their organization are called Preferred Provider Organizations (PPO) physicians.
The group of physicians who have a preferred group of members and patients belongs to their organization with whom they can negotiate the medical fees.
From the name of the organization itself, we can understand that the patients in that organization are preferred members of the physicians and are provided extra facilities by the doctors.
These patients are provided with discounts on their medical charges. This also leads the physicians to believe that they will be attracting more patients to the hospital.
The patients who are given the discounts are chosen according to the wishes of the physicians and not chosen by any particular criteria.
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