$136.1M in CY2024 Part D spend13K claims · 2K beneficiaries · 329 plans surveyed
Questions a plan sponsor actually asks.
What is Interferon Beta-1B used for?
Interferon Beta-1B is a this drug class medication tracked in Medicare Part D.
Is there a generic for Interferon Beta-1B?
No. Interferon Beta-1B is brand-only with no generic equivalents currently in market.
How much does my plan pay for Interferon Beta-1B?
Across 329 Part D plans, Interferon Beta-1B averages $725.44/unit (NADAC). Lowest available: $725.44/unit. Highest in distribution: $725.44/unit.
Is Interferon Beta-1B on the FDA shortage list?
No. Interferon Beta-1B 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 (1 NDCs benchmarked) · Formulary tier and PA placement: CMS Part D Formulary file (329 plans) · Annualized spend, claims, beneficiaries: CMS Part D Spending Dashboard (CY2024) · Shortage status: FDA Drug Shortage Database · 340B exposure: HRSA OPAIS. Methodology and reproducibility notes on /methodology.