$17,447 in CY2024 Part D spend3K claims · 942 beneficiaries · 329 plans surveyed
Questions a plan sponsor actually asks.
What is Phentermine used for?
Phentermine is a Sympathomimetic Amine Anorectic medication tracked in Medicare Part D.
Is there a generic for Phentermine?
Yes. 28 ANDAs filed at FDA, 12 generic manufacturers currently shipping.
How much does my plan pay for Phentermine?
Across 329 Part D plans, Phentermine averages $0.075/unit (NADAC). Lowest available: $0.070/unit. Highest in distribution: $0.086/unit.
Is Phentermine on the FDA shortage list?
Phentermine has been discontinued by its manufacturer(s).
6 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 (10 approvals on file) · NADAC unit costs: CMS NADAC weekly file (20 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.