TRICARE For Life and Medicare: How Coverage Works for Military Retirees
Military retirees often have questions about how TRICARE For Life works once Medicare eligibility begins. Understanding how these programs coordinate is an important part of navigating Medicare for military retirees.
TRICARE For Life provides secondary coverage for eligible military retirees and their spouses who are enrolled in Medicare. When both programs are in place, Medicare typically pays first for covered services, and TRICARE For Life may cover many remaining eligible costs.
This guide explains how TRICARE For Life works with Medicare, who qualifies, and what military retirees should understand when approaching age 65.
This article is part of our guide to Medicare for veterans and military retirees.
Key Takeaways
• TRICARE For Life becomes available once eligible beneficiaries enroll in Medicare Part A and Part B.
• Medicare generally pays first for covered services.
• TRICARE For Life acts as secondary coverage and may cover remaining Medicare cost-sharing.
• Beneficiaries can usually see any provider who accepts Medicare.
• Understanding how the programs coordinate can help retirees avoid coverage gaps.
In this article…
What Is TRICARE For Life?
TRICARE For Life is a health coverage program available to many military retirees and their eligible spouses once they become entitled to Medicare.
Unlike other TRICARE plans, TRICARE For Life works alongside Medicare. It acts as secondary coverage after Medicare pays for covered medical services.
This coordination helps reduce out-of-pocket costs for many beneficiaries.
Who Is Eligible for TRICARE For Life?
Many military retirees and eligible family members qualify for TRICARE For Life once they become entitled to Medicare.
In most situations, beneficiaries must:
• Be eligible for TRICARE
• Be entitled to Medicare Part A
• Be enrolled in Medicare Part B
Once these requirements are met, TRICARE For Life coverage typically begins automatically.
How TRICARE For Life Works With Medicare

When both programs are active, coverage usually follows this order:
- 1. Medicare pays first for covered services.
- 2. TRICARE For Life acts as secondary coverage and may cover remaining eligible Medicare cost-sharing.
This coordination allows beneficiaries to access care through the nationwide Medicare provider network while maintaining TRICARE coverage.
Do Military Retirees Need Medicare Part B?
In most cases, military retirees must enroll in Medicare Part B to maintain TRICARE For Life coverage.
If Part B coverage is not maintained, TRICARE For Life eligibility may be affected.
Because enrollment timelines can be important, many retirees review their Medicare options carefully before their eligibility period begins.
Using TRICARE For Life With Medicare Providers
One advantage of TRICARE For Life is that beneficiaries can typically receive care from any provider who accepts Medicare.
When services are covered by Medicare, claims are usually processed through Medicare first and then automatically forwarded to TRICARE For Life.
This process helps simplify billing for many beneficiaries.
TRICARE For Life and Medicare Advantage
Some military retirees consider Medicare Advantage plans because they may include additional benefits such as dental, vision, or wellness programs.
However, it is important to understand how Medicare Advantage plans interact with TRICARE For Life before making coverage changes.
Because coverage coordination can vary depending on the situation, reviewing available options carefully can help retirees make informed decisions.

Frequently Asked Questions
Do TRICARE For Life beneficiaries need Medicare?
Most beneficiaries must be enrolled in Medicare Part A and Part B in order to maintain TRICARE For Life coverage.
Who pays first with TRICARE For Life?
Medicare typically pays first for covered services. TRICARE For Life then acts as secondary coverage and may cover many remaining eligible costs.
Can TRICARE For Life beneficiaries see civilian doctors?
Yes. Beneficiaries can usually receive care from providers who accept Medicare.
Does TRICARE For Life cover services overseas?
TRICARE For Life may provide coverage overseas, although Medicare generally does not cover care outside the United States.

Need Help Understanding Your Medicare Options?
Speak with Robin Directly
941-254-1608
— or —









