Drug price hike at refill time

AARP.org - 01/09/2025 - 25 Top Medicare Part D Drugs Have Nearly Doubled in Price 

Xarelto is one of those drugs that Medicare negotiated a new price for in 2024 and this price becomes effective in 2026 but the price you are paying now is even lower than that.

CMS.gov- Medicare Drug Price Negotiation Program: Negotiated Prices for Initial Price Applicability Year 2026 

If you are buying your drugs under a Medicare Part D plan or one that is included in a Medicare Advantage plan then Plan designs affect the insurance program.  Your deductible, if any, where you buy your drugs also makes a difference in price.

The best place to ask your question would be to your Prescription Drug Plan insurer.