2026-20281RuleSignificantWallet

Medicare Launches GLOBE Model to Tame Drug Price Hikes

Published Date: 10/2/2026

Rule

Summary

Starting November 30, 2026, Medicare will use the new GLOBE Model to help lower the cost of certain drugs for people on Original Medicare. This model changes how drug price increases are calculated, aiming to save money for both patients and the Medicare program without cutting care quality. If you’re on Medicare Part B, expect smarter drug pricing that helps keep your healthcare affordable.

Analyzed Economic Effects

5 provisions identified: 4 benefits, 1 costs, 0 mixed.

Selected Medicare beneficiaries pay less coinsurance

About 25 percent of Original Medicare (OM) Part B beneficiaries in randomly selected ZIP Code Tabulation Areas (ZCTAs) will be placed in the GLOBE Model cohort and may pay reduced coinsurance for certain Part B drugs. The model begins collecting data January 1, 2027, performance years run April 1, 2027 through March 31, 2032, and beneficiary coinsurance is computed using the lesser of the GLOBE benchmark amount or the inflation-adjusted payment amount (the rule gives an example where coinsurance could be reduced from 20% to 10%).

Medicare program expects multi-year cost savings

CMS estimates the GLOBE Model will reduce Medicare Part B net spending by $440 million over the 7-year payment period (April 1, 2027 through March 31, 2034), including $298 million in Original Medicare Part B benefit savings, $288 million in Medicare Advantage payment savings, and a $147 million premium offset impact; the rule also estimates $39 million in Medicaid savings over the period.

GLOBE applies only to specific high‑spend Part B drugs

The model will apply to a subset of Part B rebatable single-source drugs and sole-source biological products within specified USP categories (Antigout Agents, Antineoplastics, Blood Products and Modifiers, Central Nervous System Agents, Immunological Agents, Metabolic Bone Disease Agents, and Ophthalmic Agents). To be included, a drug must have OM Part B spending greater than $100 million over a 12-month period ending 6 months before the start of the applicable calendar quarter; the rule also lists explicit exclusions (for example, drugs subject to Medicare Drug Price Negotiation, drugs designated for rare diseases under 21 U.S.C. 360bb, FDA-listed cellular and gene therapy products, and plasma-derived products).

Manufacturers must pay GLOBE rebates; data collection starts January 2027

Manufacturers of Part B rebatable drugs that are GLOBE Model drugs are mandatory model participants and will be required to pay incremental GLOBE Model rebates when the benchmarked amount exceeds the statutory inflation-adjusted payment amount. CMS will begin collecting voluntary manufacturer-submitted international drug net pricing data on January 1, 2027, and the model uses two benchmark methods (Method I using commercial international price sources and Method II using manufacturer-submitted net prices). The set of reference countries includes Australia, Canada, France, Germany, Japan, the United Kingdom, and others listed in the rule.

Providers must reduce beneficiary coinsurance and will receive adjusted payments

Providers and suppliers who furnish GLOBE Model drugs to GLOBE Model beneficiaries will continue to bill and be paid under Medicare Part B, but when reduced beneficiary coinsurance applies the provider must lower the coinsurance charged and Medicare’s program payment to the provider will be adjusted upward accordingly (the rule gives an example where a $100 allowed amount with coinsurance reduced from 20% to 10% yields a Medicare payment of $90 and beneficiary responsibility of $10). Providers are not model participants and beneficiary selection and rebate determinations are not subject to appeal.

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Key Dates

Published Date
Rule Effective
10/2/2026
11/30/2026

Department and Agencies

Department
Independent Agency
Agency
Health and Human Services Department
Centers for Medicare & Medicaid Services
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