Do I have to use a certain pharmacy to use the benefits in my Part D Prescription Drug Plan?
In short, you may go to your pharmacy of choice; however, it’s important to note that insurance companies have contracts with different pharmacies.
The best rates for Part D Prescription Drug plan holders are going to be with pharmacies that are considered preferred, or in-network to your plan and insurance company. The next best rates will come from pharmacies that are standard retailers to a specific plan or company.