Metformin ER 500 mg 500 mg/1 Medicare Part D Coverage
cover Metformin ER 500 mg
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Alternative Medications in the Same Drug Class
Other drugs in the Diabetes — Metformin that Medicare Part D plans also cover.
Frequently Asked Questions about Metformin ER 500 mg
0% of Medicare Part D plans cover Metformin ER 500 mg. Coverage varies by plan and geographic area.
Costs vary by plan. Enter your ZIP code above to see exact prices for plans in your area.
The tier placement for Metformin ER 500 mg varies by plan. Compare plans to find the best tier for your medication.
0% of plans require prior authorization for Metformin ER 500 mg. Prior authorization means your doctor must confirm the drug is medically necessary before the plan will cover it.
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Coverage statistics based on CMS formulary data for plan year 2026. Data updated regularly. Methodology →