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Medicare, Medicaid & insurance

IRMAA

Higher Medicare premiums charged to higher-income enrollees.

  • Glossary

These definitions are plain-language summaries for orientation — not legal or clinical advice. Program rules, eligibility, and rates change. Confirm details on the official sources linked below or on the related Knowledge Hub guides before making decisions.

Definition

In senior care, IRMAA refers to higher Medicare premiums charged to higher-income enrollees.

Medicare, Medi-Cal, Medicare Advantage, and private plans apply different rules. Coverage often depends on whether care is skilled versus custodial, medical necessity, network status, and the plan year.

Before assuming a service is covered, review your Summary of Benefits, call Medicare or your plan, or speak with a SHIP counselor. Program rules and cost-sharing change frequently.