Federal Benefits Open Season 2026: What FEHB Enrollees Need to Know

Federal employees and retirees occupy a unique position in the American healthcare landscape. Unlike most Medicare beneficiaries who must piece together coverage from scratch — Original Medicare, a Medigap policy, a Part D drug plan — federal workers and retirees have access to the Federal Employees Health Benefits program, one of the largest employer-sponsored health insurance programs in the world. But having access to FEHB doesn't mean your coverage is automatically complete, especially once you reach Medicare eligibility at 65. The Federal Benefits Open Season for the 2026 plan year gives FEHB enrollees a critical annual window to reassess their choices — and for many federal retirees, that reassessment should include a hard look at whether hospital indemnity coverage belongs in the mix.

The Federal Benefits Open Season typically runs from mid-November through mid-December each year. For the 2026 plan year, enrollees should watch for the official OPM announcement confirming exact dates, but historically the window opens around November 10 and closes December 9. During this period, federal employees and eligible retirees can enroll in an FEHB plan for the first time, switch from one FEHB plan to another, change from self-only to self-plus-one or self-and-family enrollment, or cancel FEHB coverage entirely. Outside of Open Season, changes are only permitted following a Qualifying Life Event — similar in concept to Medicare's Special Enrollment Periods, but governed by OPM rules rather than CMS rules.

For federal retirees who are also enrolled in Medicare Parts A and B, the coordination between FEHB and Medicare is where things get genuinely complicated — and where costly mistakes happen. When you have both FEHB and Medicare, Medicare generally pays first as the primary payer, and your FEHB plan pays second. This coordination can dramatically reduce your out-of-pocket costs, because many FEHB plans waive their deductibles and cost-sharing when Medicare has already paid its portion. Blue Cross Blue Shield's Federal Employee Program, one of the most widely enrolled FEHB plans, has historically offered enhanced benefits for retirees who carry both Medicare Part B and FEHB — including reduced or eliminated hospital copayments in many plan tiers. However, these coordination rules vary significantly from plan to plan, and they can change year to year, which is exactly why Open Season deserves your full attention.

The question federal retirees wrestle with most often is whether to keep paying FEHB premiums once they're on Medicare. FEHB premiums for retirees in 2026 vary widely by plan and enrollment type — a self-only enrollment in a standard Blue Cross Blue Shield FEP plan can run several hundred dollars per month, while some HMO options in certain regions may cost less. Medicare Part B itself costs $185.00 per month in 2025 for most beneficiaries (the 2026 premium will be announced by CMS in the fall of 2025). Carrying both means you're paying two sets of premiums. Some retirees decide to drop FEHB and rely solely on Medicare plus a Medigap policy, which can sometimes be less expensive depending on where you live and your health status. Others keep FEHB because it provides prescription drug coverage that rivals or exceeds standalone Part D plans, or because it covers dependents who aren't yet Medicare-eligible. There is no universally correct answer — the math depends on your specific plan, your zip code, your prescriptions, and how often you use healthcare services.

Here's the critical warning that too many federal retirees learn the hard way: if you drop FEHB coverage and later want to re-enroll, you generally cannot. OPM rules do not allow retirees to re-enroll in FEHB after voluntarily canceling, with very limited exceptions. This is fundamentally different from Medicare Advantage or Medigap, where re-enrollment pathways — though sometimes restricted — do exist. Dropping FEHB is a one-way door for most retirees. Before making that decision, run the numbers carefully, ideally with a benefits counselor through your agency's retirement office or through the National Active and Retired Federal Employees Association, which offers benefits counseling resources for its members.

So where does hospital indemnity insurance fit into this picture? Hospital indemnity plans are supplemental insurance products — they are not a replacement for FEHB or Medicare, but rather a financial buffer designed to pay you a fixed cash benefit when you're admitted to a hospital, undergo outpatient surgery, or spend time in an intensive care unit. These plans typically pay a set dollar amount per day of hospitalization — commonly ranging from $100 to $500 per day depending on the policy — regardless of what your primary insurance pays. The benefit goes directly to you, not to the hospital, which means you can use it to cover your FEHB deductible, your Medicare Part A inpatient cost-sharing, transportation costs, or simply lost income if you're still working part-time.

For federal retirees who have strong FEHB-plus-Medicare coordination and relatively low out-of-pocket exposure, a hospital indemnity plan may be unnecessary. But for retirees who have chosen a high-deductible FEHB plan to lower their monthly premiums — a strategy that makes sense on paper until you actually need hospitalization — a hospital indemnity policy can provide meaningful protection. In 2025, Medicare Part A's inpatient hospital deductible is $1,676 per benefit period, not per year. If you're hospitalized twice in a calendar year and those stays fall in separate benefit periods, you owe that deductible twice. A hospital indemnity plan paying $300 per day for a five-day stay generates $1,500 in cash benefits that can offset exactly that kind of exposure.

When evaluating hospital indemnity plans during or around Open Season, pay close attention to the elimination period (some plans don't pay for the first day or two of a hospital stay), the benefit period limits (how many days per stay or per year the plan will pay), and whether the plan covers skilled nursing facility stays, which are a major cost driver for older adults. Also examine whether the plan is guaranteed renewable — meaning the insurer cannot cancel your coverage as long as you pay premiums — and whether premiums are age-banded, meaning they increase as you get older. Some hospital indemnity plans sold to seniors have premiums that rise steeply after age 70 or 75, which can erode the financial value of the coverage over time.

Federal retirees should also be aware that some FEHB plans have begun incorporating supplemental benefit features that partially overlap with what hospital indemnity plans provide. During Open Season, review your plan's Summary of Benefits carefully — some plans now include limited cash benefits or waived cost-sharing for hospital admissions that may reduce your need for a separate indemnity policy. The Office of Personnel Management publishes plan brochures for every FEHB option at opm.gov/healthcare-insurance, and these brochures are the authoritative source for understanding exactly what each plan covers in the 2026 plan year.

For federal employees who are still working and approaching Medicare eligibility, Open Season is also the right time to understand how your FEHB coverage interacts with Medicare enrollment timing. Active federal employees can delay Medicare Part B enrollment without penalty while covered by FEHB through active employment — FEHB counts as creditable coverage for Medicare purposes. But once you retire, the clock starts. You generally have eight months from the end of active employment to enroll in Part B without a late enrollment penalty. Missing that window means a permanent 10% premium surcharge for every 12-month period you were eligible but not enrolled. Coordinating your retirement date, your FEHB continuation, and your Medicare Part B enrollment is one of the most consequential financial decisions a federal retiree makes — and it deserves careful planning, not a last-minute scramble.

The bottom line for the 2026 Open Season is this: federal retirees and employees have more coverage options and more complexity to navigate than almost any other group of Medicare beneficiaries. FEHB is a genuine asset — but it requires active management. Review your plan's 2026 brochure against your actual healthcare usage from the past year. If you're carrying a high-deductible plan to save on premiums, model what a hospitalization would actually cost you and whether a hospital indemnity policy closes that gap affordably. And if you're considering dropping FEHB, treat that decision with the gravity it deserves — because for most retirees, it cannot be undone.