Questions a plan sponsor actually asks.
What is Metformin Er used for?
Metformin Er is a this drug class medication tracked in Medicare Part D.
Is there a generic for Metformin Er?
No. Metformin Er is brand-only with no generic equivalents currently in market.
How much does my plan pay for Metformin Er?
Across 329 Part D plans, Metformin Er averages $0.111/unit (NADAC). Lowest available: $0.029/unit. Highest in distribution: $0.419/unit.
Is Metformin Er on the FDA shortage list?
No. Metformin Er is not currently on the FDA Drug Shortage Database.
4 additional drug-specific questions are indexed in the page's FAQPage schema for search engines and LLM crawlers, beyond what renders visually above. View page source for the complete JSON-LD.
Sources · every number above traces back.
Drug identity, dosage forms, brand names: openFDA NDC Directory · First approval, ANDA history: FDA Orange Book · NADAC unit costs: CMS NADAC weekly file (12 NDCs benchmarked) · Formulary tier and PA placement: CMS Part D Formulary file (329 plans) · Annualized spend, claims, beneficiaries: CMS Part D Spending Dashboard · Shortage status: FDA Drug Shortage Database · 340B exposure: HRSA OPAIS. Methodology and reproducibility notes on /methodology.