Final answer:
The best answer is Health Maintenance Organization (HMO)
Step-by-step explanation:
The best answer for this question is Health Maintenance Organization (HMO).
HMOs require policyholders to visit doctors and surgeons on a preapproved list.
HMOs are an alternative method of organizing health care where medical care providers receive reimbursement according to the number of patients they handle.
For example, if someone has an HMO insurance plan and needs to see a specialist, they would first need to get a referral from their primary care physician who is part of the HMO network.