Yes. When you submit your application on HealthCare.gov, you're asked to estimate your annual income, which determines the amount of premium tax credit you receive to help pay for coverage. If your actual income ends up being less than your estimate, you may get a larger refund when you file your taxes. If your actual income ends up being more than your estimate, you may owe money when you file your taxes. The Marketplace will send you a tax form called a 1095-A, and you'll use the information on that form to reconcile your premium tax credit using IRS Form 8962.