Formulary

Browse our articles about formulary

August 7, 2026

How to Request a Part D Formulary or Tiering Exception

If your drug is not on the formulary or sits on an expensive tier, you can ask the plan to make an exception. The clock, the forms, and what the prescriber must provide.

Part D Pharmacy Networks: Preferred, Standard, and Mail Order

The same drug on the same plan can cost different amounts at two pharmacies across the street from each other. How Part D pharmacy tiers and mail order actually work.

Medicare Drug Price Negotiation: Which Drugs Are Affected

Learn how Medicare's new drug price negotiation program works, which medications have negotiated prices, and how these changes affect your prescription costs.

The Out-of-Pocket Cap on Medicare Part D

Understand how the annual out-of-pocket cap on Medicare Part D works ($2,100 in 2026), who benefits most, and the Prescription Payment Plan option.

Medicare Part D Drug List: How Formulary Tiers and Coverage Work

Understand how Part D formularies are structured, how medications are grouped into tiers, and how to verify your drugs are covered.

Medicare Part D Plan Structure: Coverage Phases and How Plans Work

Understand how Part D prescription drug plans are organized, including coverage phases, formularies, and pharmacy networks.

Medicare Part D Explained: How Prescription Drug Coverage Works

Find out how Medicare Part D prescription drug coverage works, what it includes, and why it is important for Medicare beneficiaries.

Does Medicare Cover Ozempic and Weight-Loss Drugs?

Find out which GLP-1 drugs like Ozempic, Wegovy, Mounjaro, and Zepbound Medicare covers, what conditions qualify, and what you may pay in 2026.

Mid-Year Medicare Checkup: Is Your Plan Still Right for You?

A guide to reviewing your Medicare coverage mid-year, checking for formulary changes, network updates, and plan switch options.

A Guide to $0 Premium Medicare Plans

Learn how $0 premium Medicare Advantage and Part D plans function, what benefits they offer, and what trade-offs to keep in mind.

How to Compare Medicare Plans: A Step-by-Step Guide

A practical step-by-step guide to comparing Medicare plans, covering premiums, deductibles, drug costs, provider networks, and star ratings.

AEP Checklist: What to Review Before December 7

A practical checklist for the Medicare Annual Enrollment Period to help you evaluate your plan and make informed decisions.

This content is for educational purposes only and does not constitute a recommendation of any specific Medicare plan. Benefits, costs, and availability vary by plan and location. For complete information about your Medicare options, visit Medicare.gov or call 1-800-MEDICARE (1-800-633-4227), TTY: 1-877-486-2048, available 24 hours a day, 7 days a week.