Ancillary coverage

Do you need supplemental coverage?

Supplemental coverage is optional by design — it fills specific gaps your main insurance leaves, not everything. Whether dental, vision, or hospital indemnity is worth it comes down to the gaps you actually have and how easily you could cover a surprise out of pocket.

Reviewed by Scott Stafford, Licensed Insurance Agent

Last updated

Start with the gap, not the product

The useful question isn’t “should I buy dental insurance?” It’s “what does my current coverage leave uncovered, and could I comfortably absorb that cost if it hit?” Supplemental plans earn their premium when they fill a gap you’d actually feel — and they don’t when they cover something you’d barely use or could easily pay for out of pocket. So the honest answer to “do I need this?” is almost always “it depends on your gaps” — and the rest of this page is about finding yours.

Dental

Consider it if: you’re on Original Medicare, which covers no routine dental; you expect more than cleanings, with a crown, a bridge, or dentures on the horizon; or you’d simply rather pay a predictable premium than face a surprise four-figure bill.

You can probably skip it if: you have a Medicare Advantage plan whose dental allowance already covers your needs, you only get cleanings and would happily pay cash, or you have group dental through an employer. How dental plans work and what they cost go deeper.

Vision

Consider it if: you wear glasses or contacts and replace them most years — a vision plan usually pays for itself — or you value a yearly eye exam, which doubles as a health screening.

You can probably skip it if: your prescription is stable and you rarely update your eyewear, in which case paying cash with HSA or FSA dollars often costs less than the premiums. How vision plans work and what they cost have the details.

Hospital indemnity

Consider it if: you carry a high deductible — a bronze ACA plan, a high-deductible employer plan, an ICHRA individual plan, high-deductible Plan G, or Original Medicare with no Medigap — and you couldn’t easily cover that deductible out of savings if a hospital stay landed tomorrow.

You can probably skip it if: you have a low-deductible plan or a standard Medigap policy, so the hospital gap is mostly closed already, or you have enough set aside to absorb your deductible without strain. Hospital indemnity basics covers the rest.

If you can only pick one

When budget is tight, prioritize by the size of the gap, not the price of the plan. Hospital indemnity addresses the biggest financial shock — an unplanned hospital stay — so for anyone with real high-deductible exposure and thin savings, it usually comes first. Dental is next for most people: the costs are smaller but far more frequent, and major work adds up. Vision is the least expensive gap to self-fund, so it tends to be the easiest to skip or add last. That order flips, of course, if you have full Medigap (no hospital gap) but a mouthful of dental work coming.

A 60-second self-check. Four questions:

  • Does your plan cover routine dental and vision? If not — as with Original Medicare — those gaps are candidates.
  • How much dental or eyewear do you actually use in a year? More use tilts toward a plan; light use tilts toward paying cash.
  • Do you carry a high deductible, or Medicare without a supplement? If yes, a hospital stay is your biggest exposure.
  • Could you write a check for your deductible today without strain? If not, hospital indemnity earns its place; if yes, you may not need it.

None of this is all-or-nothing. Plenty of people add one product, skip the others, and revisit the question when their coverage or health changes. The goal is simply to put your money against the gaps that would actually hurt — and to leave the rest alone.

Common questions

Supplemental coverage, answered

Is supplemental insurance worth it?
It depends on your gaps and your savings. Supplemental plans fill specific holes — routine dental and vision, or cash for a hospital stay — so they’re worth it when they cover a cost you’d otherwise feel, and not when you’d barely use them or could easily pay out of pocket.
Which supplemental coverage should I get first?
Prioritize by the size of the gap. Hospital indemnity addresses the biggest shock — a hospital stay — for anyone with a high deductible and limited savings, so it often comes first. Dental is next for most people; vision is usually the easiest to self-fund.
Can I get supplemental coverage with Medicare?
Yes. Standalone dental and vision plans and hospital indemnity all work alongside Original Medicare or Medicare Advantage. Whether you need them depends on what your Medicare setup already covers.
Do I need all three?
No. Most people add only what fills a real gap for them and skip the rest. It’s common to carry one or two and revisit the question as your coverage or health changes.

Want help choosing?

Still weighing your options?

A licensed agent can walk you through dental, vision, and hospital indemnity options — what’s available where you live, what it costs, and how it fits with the rest of your coverage.

Find a licensed agent →

Or call 1-800-597-1001 (TTY 711), Mon–Fri 8am–5pm MT.