Planning for Healthcare Costs in Retirement

Healthcare is one of the biggest wildcards in San Diego retirement spending. A little planning turns it from a worry into a line item you can manage with confidence.

• Healthcare is a major, lifelong retirement expense — it belongs in your plan.
• Retiring before 65 means bridging coverage until Medicare planning eligibility.
• At 65, Medicare begins — and your income can raise your premiums through IRMAA.
• Long-term care is a separate risk worth planning for deliberately.

In this article

• How much does healthcare cost in retirement?
• What if you retire before 65?
• How do Medicare and IRMAA work?
• How can an HSA help with retirement healthcare?
• What about long-term care?
• How can you estimate your own healthcare costs?
• What are the parts of Medicare, briefly?
• How do you choose between Medigap and Medicare Advantage?
• How does healthcare affect when you can retire?
• How does healthcare fit into the whole plan?

Over a full retirement, healthcare is one of the largest expenses a couple will face — and one of the hardest to predict, because it depends on your health, your coverage choices, and how long you live. Estimates of lifetime costs run well into the hundreds of thousands of dollars for a couple, and that figure climbs with inflation.

The goal is not to memorize a scary number, but to build a realistic, inflating estimate into your income plan so it does not derail your other goals. When healthcare is planned for, it becomes a manageable line item rather than a source of anxiety.

Medicare eligibility starts at 65, so retiring earlier means bridging the gap with another form of coverage — typically COBRA from a former employer, a plan from the health insurance marketplace, or coverage through a spouse who is still working. None of these is free, and the cost can be significant.

That bridge cost is often a deciding factor in when someone can comfortably retire. We model it explicitly, because an early retirement that ignores five years of private health insurance is not a complete plan.

At 65 you enroll in Medicare, and missing your Initial Enrollment Period can mean lifelong premium penalties, so the timing matters. Most retirees pair Original Medicare with a supplement (Medigap) and a Part D drug plan, or choose a Medicare Advantage plan — the right choice depends on your doctors, prescriptions, and travel.

Higher income from two years prior also raises your Part B and D premiums through IRMAA surcharges. That two-year look-back is exactly why Medicare and tax planning belong together: a large Roth conversion or capital gain today can raise your premiums later. See our Medicare planning guide.

If you have access to a Health Savings Account while working, it is one of the most tax-advantaged accounts available: contributions are deductible, growth is tax-free, and withdrawals for qualified medical expenses are tax-free too. Used well, an HSA becomes a dedicated, triple-tax-advantaged healthcare fund for retirement.

The strategy many overlook is to pay current medical costs out of pocket while working, let the HSA grow invested, and tap it later for the larger healthcare expenses that come with age. It is a quiet but powerful piece of a tax-diversified plan.

The possibility of needing extended care — at home or in a facility — is a separate and significant risk that Medicare largely does not cover. It is also one of the most emotionally and financially difficult topics families face, which is why planning ahead matters so much.

There is no single right answer: some clients self-fund, some use traditional or hybrid long-term care insurance, and many blend approaches. We review the options as part of insurance planning, so the decision is deliberate rather than left to chance.

Rather than relying on a scary national average, build an estimate from your own situation: your current premiums and out-of-pocket spending, your health and family history, when you plan to retire, and how you will be covered before and after 65. That personalized figure is what belongs in your plan.

Then inflate it. Healthcare costs have historically risen faster than general inflation, so a realistic projection grows the number over time rather than holding it flat. Underestimating here is a common and costly planning error.

We build this into your income plan as its own inflating line item, so it is visible and funded rather than a vague worry lurking in the background.

Original Medicare has two main parts: Part A covers hospital care (usually premium-free if you have enough work history) and Part B covers outpatient and doctor services (with a monthly premium). Part D covers prescription drugs through a private plan.

Part C, or Medicare Advantage, is a private alternative that bundles A, B, and usually D into one plan, often with extra benefits but a more restricted network. Many retirees instead pair Original Medicare with a Medigap supplement to limit out-of-pocket costs.

Each path has trade-offs around cost, flexibility, and provider choice. The right answer is personal, and worth thinking through before your enrollment window rather than under deadline pressure.

Medigap (with Original Medicare) tends to offer broad provider access and predictable out-of-pocket costs, in exchange for higher monthly premiums. Medicare Advantage often has lower premiums but uses networks and may require referrals — a trade of cost for flexibility. Your decision should weigh your doctors, your prescriptions, how much you travel, and your tolerance for variable out-of-pocket costs. Switching later can be possible but is not always guaranteed, so the initial choice carries weight. This is a coverage decision rather than an investment one, but it interacts with your budget and cash flow, so we factor it into the broader plan and coordinate with your insurance review.

For many people, the single biggest obstacle to retiring before 65 is health insurance. The cost of bridging coverage — COBRA, a marketplace plan, or a spouse’s plan — can be substantial, and it has to be funded from your assets during those gap years. Done thoughtfully, there can even be planning angles: keeping taxable income lower in early retirement may qualify you for marketplace premium subsidies, though that has to be balanced against Roth conversion goals. These levers can pull against each other. Modeling the bridge honestly is what turns "I think I can retire at 62" into a confident decision. It is one of the first things we pressure-test for clients considering an early exit.

Healthcare touches everything: the age you can retire, how much you can spend, your tax and Medicare decisions, and the legacy you leave. Treating it as an afterthought is how it becomes a crisis; building it into the plan from the start is how it becomes manageable. That is the through-line of everything we do — coordinating the pieces so a single decision does not create an unintended problem somewhere else. A plan that accounts for healthcare is simply a more honest, more durable plan.

Healthcare costs are uncertain, but they are not unplannable. Build them into your retirement projections, coordinate them with your tax and Medicare decisions, and the biggest wildcard in retirement becomes just another part of a plan you can trust. Want this applied to your numbers? Schedule a complimentary introductory call with a San Diego fee-only fiduciary. Schedule a Free Call