Medicare Part B givebacks: which 2026 FEHB plans reimburse your premium
Here’s a benefit most federal retirees are owed and never claim: several FEHB plans pay back $800 to $1,200 of your Medicare Part B premium every year, and the Medicare Advantage plans those same carriers offer can reimburse even more — up to $1,800, or in some cases the entire premium. That “giveback” is exactly the number that can flip the agonizing “is Part B even worth it?” decision from a net loss into a net win. This guide lays out which 2026 plans reimburse what, how the money actually reaches you, and — with a break-even calculator — whether the giveback tips your own math.
1. What a “giveback” really is
“Part B giveback” is shorthand for a plan reimbursing some or all of the Medicare Part B premium you pay to Social Security. For federal retirees there are two distinct flavors, and people constantly conflate them:
- FEHB-plan reimbursement. You keep your regular FEHB plan, enroll in Medicare Part B, and the plan rebates a set dollar amount (commonly $800–$1,200/year) as a credit you claim.
- Medicare Advantage reimbursement. Your FEHB carrier also offers a Medicare Advantage plan you can pair with Part B; these often reimburse more — up to $1,800, sometimes the full premium — alongside richer cost-sharing.
Both reduce the real cost of Part B. The difference is how much, and what trade-offs (network, prior authorization) come with it.
2. The premium you’re offsetting
To value a giveback, anchor it to what Part B costs in 2026. The standard premium is $202.90/month — about $2,434.80/year per person. If your income is higher, IRMAA raises it: surcharges begin above $109,000 (individual) or $218,000 (joint), climbing to $689.90/month at the top.
Full MA reimbursement → effectively $0 net Part B premium
That framing is the whole point: a $1,000 rebate erases roughly 41% of the standard premium, and a full Medicare Advantage giveback can zero it out. The higher your IRMAA tier, the more a fixed-dollar rebate matters in absolute terms — though it covers a smaller share of a surcharged premium.
3. FEHB plans that reimburse Part B
These are the plans that rebate Part B while you keep your standard FEHB coverage (2026 figures, per Checkbook’s Guide and plan brochures — always verify your year and region):
| FEHB plan | Approx. annual Part B reimbursement (per person) |
|---|---|
| GEHA Standard & High | ~$1,000 |
| SAMBA High | ~$1,200 |
| MHBP Standard | ~$900 |
| BCBS FEP Blue Basic | ~$800 |
| BCBS FEP Standard | $0 (no reimbursement) |
| GEHA (PSHB, postal) | ~$800 (reduced from $1,000) |
If you’re in BCBS Standard with no rebate, simply switching to a reimbursing plan during Open Season can be worth $800–$1,200/year on its own.
4. The bigger MA givebacks
If you’re willing to enroll in a Medicare Advantage plan offered through your FEHB carrier, the reimbursements generally run higher — and frequently come with $0 cost-sharing on covered services:
| MA plan (via FEHB carrier) | Approx. annual Part B reimbursement |
|---|---|
| UnitedHealthcare Choice | ~$1,800 |
| Aetna Advantage, APWU High, GEHA High, SAMBA High, Compass Rose High | ~$1,200 |
| GEHA Standard, MHBP Standard, SAMBA Standard, Rural Carrier | ~$900 |
| Some Kaiser High & Standard | Full Part B premium |
| Kaiser Prosper / some Kaiser plans | None |
The trade-off is real: MA plans more often use networks and prior authorization. Weigh the giveback against provider access before you switch — see suspending FEHB for Medicare Advantage for the full decision.
5. Break-even calculator
Enter your annual Part B premium (raise it if you’re in an IRMAA tier), your plan’s annual giveback, and a rough estimate of the out-of-pocket you’d save by having Part B pay primary against your FEHB plan. The calculator shows your net Part B cost after the rebate and whether you come out ahead.
Part B giveback break-even
Net position = your expected out-of-pocket savings − (Part B premium − giveback). Estimate only.
6. How the money reaches you
The reimbursement mechanics vary by plan, and the variation is where money gets left on the table:
- Automatic credit. Some FEHB carriers apply the rebate once they have your Medicare info on file — you don’t lift a finger.
- Annual claim. Others require you to submit proof of your Part B premium each year. Miss the submission and you forfeit the benefit for that year.
- MA monthly credit. Medicare Advantage plans usually deliver the giveback as a monthly reduction to the Part B premium taken from your Social Security, or as a separate payment.
The action item is simple: call your plan, confirm whether claiming is automatic or manual, and verify you’re actually receiving it. A large share of eligible retirees never claim a rebate they’re owed.
7. Does it flip the decision?
Often, yes. The classic Part B decision turns on a cost-benefit: a healthy retiree in a high IRMAA bracket can lose $3,000–$4,000/year paying for Part B they barely use, while a chronically ill retiree typically saves $1,500–$6,000 in out-of-pocket because Medicare pays primary. The giveback shifts that ledger.
For a moderate user near break-even, an $800–$1,200 rebate — or a full MA reimbursement — is frequently the difference between “Part B costs me money” and “Part B pays for itself.” It rarely makes Part B worthwhile for a very healthy, very high-income retiree, but for most everyone else it materially improves the case. Run your own number above before deciding.
8. The catches
Three things that quietly undermine a giveback strategy:
- IRMAA can swamp the rebate. A fixed $1,000 giveback against a $689.90/month top-tier premium ($8,279/year) covers only a sliver. High earners should weigh the rebate against the full surcharged cost.
- The spousal SEP trap. If your spouse turns 65 covered only under your retiree FEHB, they generally must take Part B then — retiree FEHB doesn’t grant a Special Enrollment Period. Miss it and you trigger the lifelong late penalty.
- PSHB differences. Postal retirees under the new PSHB program may see smaller rebates and a mandatory Part B requirement; non-postal retirees are never required to take Part B to keep FEHB.
9. Frequently asked questions
Which FEHB plans reimburse the Medicare Part B premium in 2026?
Several do, and the amounts vary. For 2026, GEHA Standard and High reimburse about $1,000 per Medicare-enrolled person per year, BCBS FEP Blue Basic reimburses around $800, MHBP Standard about $900, and SAMBA High roughly $1,200. BCBS FEP Standard offers no reimbursement. These are credits or rebates you claim once you have both the FEHB plan and Medicare Part B. Separately, the Medicare Advantage plans these carriers offer through FEHB often reimburse more, from $900 up to $1,800 a year, with some Kaiser plans covering the full Part B premium. Always confirm the current amount and the claim process directly with your plan.
What is the 2026 Medicare Part B premium I’d be offsetting?
The standard Part B premium for 2026 is $202.90 per month, or about $2,434.80 per year per person. Higher earners pay more through the income-related monthly adjustment amount, or IRMAA, which begins above $109,000 in income for individuals and $218,000 for joint filers, and can push the premium up to $689.90 per month at the top tier. A $1,000 FEHB reimbursement offsets roughly 41 percent of the standard annual premium, while a full Medicare Advantage reimbursement can wipe it out entirely, which is why the giveback can change the whole Part B math.
Does a Part B giveback make enrolling in Part B worth it?
It often tips the balance. Without a giveback, a healthy retiree in a high IRMAA bracket can lose several thousand dollars a year paying for Part B they rarely use. A reimbursement of $800 to $1,200, or a full Medicare Advantage giveback, shrinks or erases that net cost, and when you add the out-of-pocket savings from Medicare paying primary against your FEHB plan, many retirees come out ahead. The honest answer depends on your health, your income, and your specific plan, so run your own numbers rather than assuming. The calculator on this page is built for exactly that.
How is the Part B reimbursement actually paid?
It depends on the plan. Some FEHB carriers credit the reimbursement automatically once they have your Medicare information, while others require you to submit proof of your Part B premium each year to claim it. Medicare Advantage plans offered through FEHB typically apply the reimbursement as a monthly credit toward your Part B premium through Social Security or as a separate payment. Because the mechanics differ, you should contact your plan directly, confirm whether claiming is automatic or manual, and make sure you actually receive the money, since many enrollees never claim a benefit they are owed.
Do postal retirees under PSHB get the same Part B reimbursement?
Not always the same amount. Postal retirees are now in the Postal Service Health Benefits program, and some PSHB plan reimbursements differ from their FEHB counterparts. For example, GEHA's PSHB plan reimburses about $800 toward Part B for 2026, down from the $1,000 offered by GEHA's FEHB plans. Postal retirees who became Medicare-eligible after January 1, 2025 also face a mandatory Part B enrollment requirement to keep certain PSHB coverage, unlike non-postal federal retirees, who are never required to take Part B to keep FEHB. Check your specific PSHB plan brochure for the current figure.
- Checkbook’s Guide to Health Plans, FEHB & Medicare Advantage reimbursements
- FedTools, FEHB + Medicare Part B 2026 reimbursement amounts
- Government Executive, costs and trade-offs of FEHB vs Medicare Advantage
- GEHA, Medicare and FEHB plans (Part B subsidy)
- Federal News Network, 2026 FEHB and PSHB plan update