How Medicare works with VA benefits and TRICARE — what veterans need to know
This is a straightforward guide to how Medicare interacts with VA health benefits and TRICARE for veterans and military retirees approaching age 65 — or for those who became eligible for Medicare before 65 due to a disability. The decisions you make at this point follow you for the rest of your life, so understanding how these programs do and do not work together is important.
- IMPORTANT: The single most important thing to understand before reading any further: VA health care and Medicare are completely separate programs. They do not pay each other's bills. If you see a doctor at a VA facility, Medicare will not cover any portion of the cost. If you see a doctor outside the VA system at a Medicare-approved provider, your VA benefits will not cover it either. You are using one or the other for each visit, not both at the same time. This surprises many veterans.
Other options exist as well that may help veterans. For help with prescription drug costs through Medicare, see the pages on selecting a Medicare Part D prescription plan. Another underutilized program is Extra Help for income qualified Medicare beneficiaries.
Some key phone numbers to know of. The VA benefits line is 1-800-827-1000 for questions about VA health care eligibility and services. For Medicare questions, call 1-800-633-4227. For TRICARE questions, call 1-800-444-5445 (East) or 1-844-866-9378 (West).
Free Help Navigating These Decisions
The programs will explain below, in a clear way, interact in ways that are still genuinely confusing, and the decisions made at 65 can be difficult or impossible to reverse without penalty. Free help is available from multiple sources.
Your State Health Insurance Assistance Program, or SHIP, provides free one-on-one counseling from trained volunteers who specialize in exactly these Medicare decisions, including how they interact with VA and TRICARE benefits. Call 1-877-839-2675 or visit https://www.shiphelp.org/ to reach your state program. We also have additional information on what SHIP does.
If You Have TRICARE for Life
Military retirees and their eligible dependents who are entitled to both Medicare Part A and Part B automatically have TRICARE for Life. There is nothing to enroll in and no enrollment fee — it kicks in the moment you have both Parts A and B active. TRICARE for Life functions as wraparound coverage, meaning Medicare pays first and TRICARE for Life covers most or all of the remaining cost. For services that both Medicare and TRICARE cover, you typically pay nothing out of pocket.
To have TRICARE for Life, you must have both Medicare Part A and Medicare Part B. This is a firm requirement. If you have Medicare Part A but delay enrolling in Part B, you lose TRICARE eligibility during that gap — and delayed Part B enrollment also triggers a permanent late enrollment penalty. Enroll in Medicare Parts A and B at least two months before turning 65 to avoid any gap in TRICARE coverage.
You do not need Medicare Part C (Medicare Advantage) or Medicare Part D prescription drug coverage to maintain TRICARE for Life. The TRICARE pharmacy benefit remains available to you regardless. If you do choose to enroll in a Medicare Advantage plan, be aware that you will generally need to file claims with the TRICARE contractor yourself rather than having claims filed automatically. TRICARE for Life contact and claims information is available through WPS Government Services at 866-773-0404.
One nuance worth knowing: VA facilities are not Medicare-authorized providers, even if a particular VA location happens to be in the TRICARE network. Medicare cannot pay for care at a VA facility. If you receive care at a VA facility for a non-service-connected condition under TRICARE for Life, TRICARE can pay only up to 20% of its allowable charge — meaning you would owe the rest. For service-connected conditions, get care at a VA facility and use your VA benefits. For everything else, using a Medicare-certified provider will generally leave you with no out-of-pocket costs when TRICARE for Life is in place.
If You Have VA Benefits Only
Every veteran who was honorably discharged is potentially eligible for VA health care, though priority groups and copays vary based on your disability rating, income, and other factors. Many veterans approaching 65 wonder whether they need Medicare if they already have VA coverage. The short answer for most is yes — and the decision about Part B is the one to think through carefully.
Medicare Part A covers hospital care. Most people get it free if they or their spouse worked and paid Social Security taxes for at least ten years. If Medicare Part A is free for you, taking it costs you nothing and gives you hospital coverage outside the VA system. There is no meaningful reason to decline it.
Medicare Part B covers outpatient care — doctor visits, tests, specialists, durable medical equipment, and most outpatient services outside a hospital. In 2026, the standard Part B premium is $202.90 per month for most people. There is also an annual deductible of 283, after which you pay 20% of covered services.
Part B is where veterans have a real choice to make: If you are satisfied getting all of your care within the VA system and never expect to see providers outside it, you could decline Part B and save the premium. However, there are serious risks to this.
- VA funding is set by Congress each year and can change.
- If you ever need to see a specialist the VA cannot provide in a reasonable timeframe, or if you need care in an area where VA facilities are not nearby, you would be without coverage and paying out of pocket.
- The late enrollment penalty for Part B is 10% added permanently to your premium for every full 12-month period you were eligible but not enrolled — and you pay that penalty every year for the rest of your life.
While each case varies, generally speaking for most veterans, the peace of mind that comes with having Medicare Part B available is worth the monthly premium.
The VA Community Care Program
One reason some veterans feel comfortable with VA coverage alone is the VA Community Care Program, which allows the VA to authorize care from community providers outside the VA system when VA cannot provide care in a timely way, does not offer the service you need, or when you and your VA provider agree that outside care is in your best interest.
The VA pays those community providers, often at Medicare rates. This program replaced the older VA Choice Program in 2019 and has significantly expanded veterans' access to non-VA providers — but it requires VA authorization before the visit in most cases, and it is the VA paying the bill, not Medicare.
VA Copay Hardship Assistance
Veterans who are enrolled in VA health care but struggling to pay VA copays or medical bills have specific programs available to help — including a hardship determination that can eliminate copays for the rest of the calendar year if your income has dropped, repayment plans for existing debt, and waivers that can forgive all or part of what you owe.
Veterans previously denied VA health care due to income may also be able to reapply if their financial situation has changed. Find full details on the VA Medical Care Hardship Program page.
Prescription Drugs
The VA pharmacy benefit is often better priced than what Medicare Part D would cost, particularly for veterans with service-connected conditions or low incomes who qualify for free or low-cost VA medications. Many veterans with VA benefits skip Part D enrollment entirely and get all their medications through the VA. This is a legitimate choice — VA coverage counts as creditable drug coverage, meaning you will not face a late Part D enrollment penalty if you later decide to join a Part D plan.
That said, some medications are not available through the VA formulary (i.e. the list of covered medications), and some veterans prefer the convenience of a local pharmacy. If you ever need a drug outside the VA system, Part D would cover it. The decision about whether to enroll in Part D comes down to what medications you take and how you access them. More on choosing a Medicare Part D plan..
Medigap Supplemental Coverage
Medicare Part B leaves you responsible for 20% of outpatient costs with no cap, which can add up significantly over a year. A Medicare supplement plan, often called Medigap, covers most or all of that 20%. The only time you can enroll in Medigap without health questions — meaning no insurer can deny you or charge you more due to a pre-existing condition — is during your Medigap open enrollment window: the six months starting the month you are both 65 and enrolled in Part B. Missing that window means you can be turned down or charged more later. Veterans who rely entirely on VA care today sometimes find out too late that they need a Medigap plan when their health changes.
CHAMPVA for Certain Veterans' Dependents
CHAMPVA is a separate VA program for spouses and children of veterans who are permanently and totally disabled due to a service-connected condition, or who died from a service-connected condition. It is not the same as TRICARE. CHAMPVA functions somewhat like a health insurance plan and, once you are Medicare-eligible, becomes secondary to Medicare. If you are a CHAMPVA beneficiary approaching 65, you need to enroll in both Medicare Parts A and B for CHAMPVA to continue covering your remaining costs.
This page provides general information about how Medicare, VA benefits, and TRICARE interact. Rules, costs, and premium amounts change each year. Always verify current figures and your specific eligibility with the relevant program before making enrollment decisions.
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