Skip to main content
Learning Center

Understanding Health Insurance

Everything you need to know about healthcare coverage, from choosing the right plan to understanding your benefits.

Understanding Costs
Coverage Types
Enrollment Periods
Family Coverage

Frequently Asked Questions

Common questions about health insurance

Key Terms Glossary

Premium

The amount you pay each month for your health insurance coverage.

Deductible

The amount you pay before your insurance starts to cover costs.

Copay

A fixed amount you pay for a covered service after you've met your deductible.

Coinsurance

Your share of costs after meeting your deductible, expressed as a percentage.

Out-of-Pocket Maximum

The most you have to pay in a year for covered services.

Network

The doctors, hospitals, and other providers your plan has contracted with.

Prior Authorization

Approval required from your insurer before certain services are covered.

Formulary

A list of prescription drugs covered by your plan.

Important Dates

Open Enrollment

Nov 1 - Jan 15

Coverage Begins

Jan 1 (if enrolled by Dec 15)

Ready to Find a Plan?

Browse thousands of plans and find the perfect coverage for you.

The GreatHealthcarePlans

Your centralized marketplace to compare and find the best healthcare coverage from the CMS Healthcare.gov marketplace. Making health insurance simple and transparent.

© 2026 The Great Healthcare Plans. All rights reserved.

Made with for Americans

This is an independent comparison site. We are not affiliated with Healthcare.gov or the Centers for Medicare & Medicaid Services (CMS). All plan information is sourced from the official CMS marketplace data.

Cookies on this site

We use cookies and similar tools for analytics. They load only if you click Accept.