This glossary explains terms in the Medicare program.
The facilities, providers, and suppliers your health insurer or plan has contracted with to provide health care services.
Pharmacies that have agreed to provide members of certain Medicare plans with services and supplies at a discounted price. In some Medicare plans, your prescriptions are only covered if you get them filled at network pharmacies.
A pharmacy that's part of a Medicare drug plan's network, but isn't a preferred pharmacy. You may pay higher out-of-pocket costs if you get your prescription drugs from a non-preferred pharmacy instead of a preferred pharmacy.
This glossary explains terms in the Medicare program, but it isn't a legal document. The official Medicare program provisions are found in the relevant laws, regulations, and rulings.