Social Security & IRMAA Rules,
Verified and Explained by ARPI
Authoritative reference pages for retirees and financial professionals — every claim verified against SSA POMS, CFR Title 20, the SSA Handbook, CMS regulations, and Medicare.gov guidance.
SSA POMSCFR Title 20SSA HandbookCMSMedicare.gov
Reference
Social Security
Claiming rules, spousal and survivor benefits, WEP, GPO, earnings test, and benefit calculation — verified against SSA POMS and CFR.
Browse Social Security rules ›Reference
IRMAA & Medicare
Income-related Medicare surcharges, the two-year look-back rule, life-changing event appeals, and Part B and D enrollment.
Browse IRMAA & Medicare rules ›Recently published
Understanding Coordination of Medicare and VA BenefitsIRMAA BasicsUnderstanding Void and Putative Marriages for Social Security BenefitsClaiming RulesUnderstanding State Law Challenges for Same-Sex Couples in Social SecurityClaiming RulesUnderstanding Illegitimate Child Social Security Benefit RightsFamily BenefitsUnderstanding Protective Filing and Late Social Security ApplicationsClaiming RulesUnderstanding Administrative Finality and Reopening Social Security ClaimsFiling & EnrollmentUnderstanding Good Cause for Late Filing with Social SecurityFiling & EnrollmentHow Student Benefits Are Affected at Ages 18–19Claiming Rules