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Medigap Plan B

Plan B is Plan A plus exactly one benefit: it pays the Part A hospital deductible — $1,736 per benefit period in 2026 — in full. Everything else matches Plan A, gaps included: no skilled nursing facility coinsurance, no Part B deductible, no excess charges, no foreign travel benefit. And it isn't Medicare Part B — the matching letter is a coincidence.

What does Plan B cover?

  • Part A coinsurance and hospital costs (up to 365 extra days after Medicare benefits are used) — Covered 100%
  • Part B coinsurance or copayment — Covered 100%
  • Blood (first 3 pints) — Covered 100%
  • Part A hospice care coinsurance or copayment — Covered 100%
  • Skilled nursing facility care coinsurance — Not covered
  • Part A deductible — Covered 100%
  • Part B deductible — Not covered
  • Part B excess charges — Not covered
  • Foreign travel emergency (up to plan limits) — Not covered

Who is Plan B a good fit for?

  • People whose main worry is hospital bills: Plan B covers the Part A deductible and all the coinsurance beyond it, with up to 365 extra covered hospital days.
  • People stepping up from Plan A for one specific reason — closing the hospital deductible — without paying for benefits they've decided to self-fund.

What are the trade-offs of Plan B?

  • Skilled nursing facility coinsurance still isn't covered — the same post-hospital rehab gap Plan A has.
  • The annual Part B deductible ($283 in 2026) and any Part B excess charges are yours.
  • Most people comparing seriously also quote G or N — the letters that add skilled nursing and travel coverage — because whether the fuller letters are worth their premium difference is arithmetic for your own quotes, not a rule of thumb.

Key facts

Part A deductible
Covered 100% (2026)
Part B deductible
Not covered (2026)
Part B excess charges
Not covered (2026)
Sold by
Private insurers, standardized by federal law — same benefits at every company

Frequently asked questions

Does Plan B cover the Part B deductible?

No. You pay the annual Part B deductible yourself — $283 in 2026 — and Plan B picks up its share of covered services after that.

Does Plan B cover skilled nursing facility coinsurance?

No. From day 21 of a covered skilled nursing stay, the daily coinsurance is yours. Most other Medigap letters cover it, so it is worth checking before you choose.

Does Plan B cover Part B excess charges?

No. If a doctor does not accept Medicare assignment, the excess charge — up to 15% above the Medicare-approved amount — is yours. Not every state allows those charges.

Does Plan B cover care outside the United States?

No. Plan B includes no foreign travel emergency benefit, and Original Medicare almost never pays for care outside the United States.

Is Plan B the same at every insurance company?

Yes. Medigap benefits are standardized by law, so Plan B is the same package of benefits whoever sells it. Price, service and rate history are what differ — three states (Massachusetts, Minnesota, Wisconsin) standardize their plans differently.

Sources

Further reading

Updated September 8, 2026. Dollar figures are 2026 plan-year amounts transcribed from CMS publications and last verified by IM65 against the source for each: Parts A & B premiums, deductibles and IRMAA (August 11, 2026).

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