The period between employer coverage and Medicare eligibility can raise important healthcare and cash-flow questions for an early retiree. Available coverage, premiums, subsidies, networks, deductibles, and out-of-pocket costs depend on the household's location, income, age, family composition, plan selection, and current law.
The Healthcare Gap Is Real, But It Is Not Fixed
Marketplace premiums and premium tax credits are not fixed. Eligibility and estimated costs depend on the household's projected income, location, age, family composition, plan selection, and current federal and state rules.[^1] HealthCare.gov and the KFF calculator provide current estimate tools, but an estimate is not a coverage or subsidy determination.[^5]
How Early Retirees Can Manage Income for Subsidies
An early-retirement household may have a different mix of earned income, benefits, investment income, account distributions, and cash-flow sources. Those inputs can be relevant to marketplace eligibility and premium-tax-credit calculations, but the effect depends on current rules and household facts.
The key is understanding what counts as MAGI for ACA purposes. It includes wages, self-employment income, taxable Social Security benefits, traditional IRA and 401(k) withdrawals, capital gains, and Roth conversion amounts. It does not include Roth IRA distributions (on qualified withdrawals), return of basis from non-deductible IRA contributions, or health savings account distributions used for qualified medical expenses.[^2]
The Roth Conversion Coordination
Roth conversions can increase modified adjusted gross income and may affect marketplace eligibility or premium-tax-credit calculations. This interaction does not determine whether a conversion is appropriate. Current tax law, health-coverage rules, cash-flow needs, and qualified tax advice should be considered before a decision.
COBRA vs. ACA: The First Decision
When you leave your employer, you have the option to continue your employer-sponsored coverage through COBRA for up to 18 months. COBRA allows you to keep the same plan and network, but you pay the full premium, both your share and your employer's share, plus a 2% administrative fee.
COBRA and marketplace plans can have different costs, provider networks, formularies, deductibles, eligibility requirements, and enrollment timelines. A household may compare continuity of care, current treatment, anticipated coverage duration, and current official plan information before selecting coverage.[^3]
The Bottom Line
Healthcare coverage before Medicare is an important planning topic, but no single coverage route or income approach is appropriate for every household. Reviewing current official coverage information and discussing tax-sensitive questions with qualified professionals can help a household identify the questions relevant to its circumstances.
References
[^5]: Kaiser Family Foundation. "ACA Premium Tax Credit Calculator." KFF.org. https://www.kff.org/interactive/calculator-aca-enhanced-premium-tax-credit/
[^6]: Kaiser Family Foundation. "2025 Employer Health Benefits Survey." KFF.org. https://www.kff.org/health-costs/report/2025-employer-health-benefits-survey/
[^1]: HealthCare.gov. "Health coverage for retirees." healthcare.gov. https://www.healthcare.gov/retirees/
[^2]: Internal Revenue Service. "Questions and Answers on the Premium Tax Credit." IRS.gov. https://www.irs.gov/affordable-care-act/individuals-and-families/questions-and-answers-on-the-premium-tax-credit
[^3]: AARP. "Early Retirees Must Fill a Health Insurance Gap." AARP.org. https://www.aarp.org/social-security/retirement/health-considerations/
[^4]: Fidelity Investments. "Bridging the health care coverage gap." Fidelity.com. https://www.fidelity.com/viewpoints/retirement/transition-to-medicare
Jason Rindskopf is the founder of Two Waters Wealth Management and creator of the SMART Retirement Blueprint®. He works with high-achieving professionals and couples in the Charlotte, NC area who are within 10 years of retirement or recently retired. If you'd like to talk through your your healthcare coverage strategy in early retirement, book a complimentary consultation here.