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Medigap Plan M

Plan M is Plan D with one twist: it pays 50% of the Part A hospital deductible instead of all of it. Hospital and skilled nursing coinsurance, Part B coinsurance, blood, and hospice cost-sharing are covered in full, foreign travel emergencies at 80% — but each benefit period, half of the $1,736 Part A deductible is yours.

What does Plan M 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 — Covered 100%
  • Part A deductible — Covered 50%
  • Part B deductible — Not covered
  • Part B excess charges — Not covered
  • Foreign travel emergency (up to plan limits) — Covered 80%

Who is Plan M a good fit for?

  • People willing to split the hospital deductible with the plan — the design trades that 50% exposure for whatever premium difference your state's quotes actually show.
  • People who rarely expect inpatient stays: if the Part A deductible seldom happens, half of it seldom happens either.
  • People who want skilled nursing and foreign travel coverage without paying for excess-charge protection.

What are the trade-offs of Plan M?

  • Half the hospital deductible is real money — 50% of $1,736 per benefit period in 2026, and benefit periods can repeat within a year.
  • The annual Part B deductible and any Part B excess charges are still yours.
  • Not every carrier offers every letter — ask your advisor whether Plan M is actually quotable in your state before anchoring on it.

Key facts

Part A deductible
Covered 50% (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 M cover the Part B deductible?

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

Does Plan M 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 M cover care outside the United States?

Partly. Plan M pays 80% of foreign travel emergency care, after a separate deductible and up to the plan's lifetime limit. Routine care abroad is not covered.

Is Plan M the same at every insurance company?

Yes. Medigap benefits are standardized by law, so Plan M 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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