I.R.M.A.A.IncomeRelatedMonthly Adjustment Amount(Applies to Part B + Part D) 2025 A+B Premiums per cms.gov request ssa.gov to lower irmaa If you have questions specific to your situation, please contact the Social Security Administration 1.800.772.1213,the entity managing Part B, IRMAA Part B and IRMMA Part D premiums on behalf of Centers for Medicare & Medicaid Services. MyMedicareHero is not the government.
