When can you enroll in Medicare?

You can first enroll during your Initial Enrollment Period, which begins 3 months before you turn 65 and ends 3 months after. Missing this window without creditable employer coverage triggers a permanent 10% Part B premium penalty for each 12-month period you were eligible but did not enroll.

What is the difference between Medicare Advantage and Original Medicare?

Original Medicare is government-administered and accepted by nearly all providers nationwide. Medicare Advantage (Part C) is offered by private insurers with narrower networks but lower premiums and often includes dental and vision. Original Medicare pairs with a Medigap supplement for the broadest coverage; Advantage is an all-in-one alternative.

Can you contribute to an HSA after enrolling in Medicare?

No. Once you enroll in any part of Medicare — including Part A — you can no longer make new HSA contributions. Existing HSA funds can still be used tax-free for qualifying expenses, including Medicare premiums for Parts B, C, and D.

What does Medicare not cover?

Original Medicare does not cover dental, vision, hearing, long-term custodial care, or care received outside the U.S. There is also no out-of-pocket maximum under Original Medicare, meaning unlimited exposure without a Medigap supplement.

What is the Medicare Part B premium in 2026?

The standard Medicare Part B premium in 2026 is $202.90 per month. Higher-income beneficiaries pay more through IRMAA surcharges, with total monthly premiums ranging from $284.10 to $689.90 based on income from 2 years prior (2024 tax returns).

Medicare & HSA Guide 2026: Coverage, Costs and Enrollment

Healthcare is the single largest unplanned expense in retirement. A 65-year-old couple retiring in 2026 can expect to spend an estimated $315,000 on healthcare over retirement — not counting long-term care. Understanding Medicare and maximizing your HSA before retirement are the two highest-leverage healthcare planning moves available.

Medicare Explained

Medicare is the federal health insurance program for Americans 65 and older. It has four main parts covering different services.

Part	What It Covers	2026 Cost
Part A (Hospital)	Inpatient hospital, skilled nursing, hospice	$0 premium if 40+ work quarters; $1,736 deductible per benefit period
Part B (Medical)	Doctor visits, outpatient, preventive care	$202.90/month standard premium; $283/year deductible
Part C (Advantage)	All-in-one private alternative to A+B	Varies; many plans $0 premium
Part D (Drugs)	Prescription drugs	Varies by plan; $2,100 annual out-of-pocket cap (2026)
Medigap	Fills Part A+B coverage gaps	Typically $100–$300/month

Medicare Explained: Parts A, B, C, D and What They Cost — the complete breakdown with 2026 premiums, deductibles, and coinsurance figures

Medicare Advantage vs. Original Medicare

The most important Medicare decision is whether to use Original Medicare (with or without a Medigap supplement) or switch to a Medicare Advantage plan.

Factor	Original Medicare + Medigap	Medicare Advantage
Provider network	Nationwide, nearly unlimited	Restricted to plan network
Out-of-pocket maximum	No cap (Medigap fills the gap)	Capped (typically $3,500–$8,850)
Monthly premiums	Higher (Part B + Medigap)	Often lower ($0–$50/month)
Dental/vision extras	Not included	Often included
Best for	Frequent travelers, complex health needs	Healthy retirees staying local

Best Medigap Plans of 2026 — Plan G vs. Plan N compared with premium ranges

HSA: The Triple-Tax-Advantaged Retirement Account

A Health Savings Account (HSA) is the most tax-efficient account in the U.S. tax code. Contributions are pre-tax, growth is tax-free, and withdrawals for qualifying medical expenses are tax-free. After 65, you can withdraw for any reason — making an HSA function like a traditional IRA with an added medical spending bonus.

The 2026 HSA contribution limits (IRS Revenue Procedure 2025-19) are $4,400 for individual HDHP coverage and $8,750 for family coverage, with a $1,000 catch-up contribution available at age 55+.

Best HSA Accounts of 2026 — top providers compared by investment fees, fund selection, and account minimums
Average HSA Balance by Age — see how your balance compares to peers

Retirement Healthcare Costs and Early Retirement

Healthcare Costs in Retirement: What to Budget — realistic projections by health status, showing how costs compound over a 20–30 year retirement
Early Retirement Healthcare: How to Get Insurance Before 65 — ACA marketplace, COBRA, spouse coverage, and HSA bridge strategies for retirees under 65

Medicare & HSA Articles

Medicare explained

Healthcare costs and planning

HSA accounts

See parent hub: Retirement

Written by WealthVieu

WealthVieu researches and writes data-driven personal finance guides using primary sources including the IRS, Bureau of Labor Statistics, Federal Reserve, and Census Bureau.

The content on Wealthvieu is for informational purposes only and should not be considered financial, tax, or investment advice. Consult a qualified professional before making financial decisions. Full disclaimer · Editorial policy