Reviewed by Russell Noga, Licensed Medicare Insurance Broker (all 50 states) | Last updated October 8, 2026
CMS set the 2027 High-Deductible Plan G deductible at $3,050, an increase from $2,950 in 2026. Each year you cover Medicare-covered costs up to that amount, and then the plan pays the same way regular Plan G does for the remainder of the year.
High-Deductible Plan G (HDG) provides the same benefits as standard Plan G, the most complete Medigap plan available to people new to Medicare. What differs is when coverage kicks in. Because you carry the deductible, HDG premiums are usually much lower than Plan G premiums, which may make it the cheapest route to full Medigap protection in a healthy year.
This guide explains how the 2027 deductible works, what counts toward it, how to compare HDG with regular Plan G, and who it fits. See High-Deductible Plan G and Medicare Supplement plans 2027.
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