A Medicare Supplement Insurance (Medigap) policy, can help pay some of the health care costs that Original Medicare doesn't cover, like copayments, coinsurance, and deductibles.

Things to know about Medigap policies 

1. You must have Medicare Part A and Part B.
2. You pay the private insurance company a monthly premium for your Medigap policy in addition to the monthly Part B premium that you pay to Medicare.
3. A Medigap policy only covers one person. If you and your spouse both want Medigap coverage, you'll each have to buy separate policies.
4. You can buy a Medigap policy from any insurance company that's licensed in your state to sell one.
5. Any standardized Medigap policy is guaranteed renewable even if you have health problems. This means the insurance company can't cancel your Medigap policy as long as you pay the premium.
6. Prescription drug coverage is a separate plan where you need to join a Medicare Prescription Drug Plan (Part D) to get
7. It's illegal for anyone to sell you a Medigap policy if you have a Medicare Medical Savings Account (MSA) Plan.
8. If you drop your entire Medigap policy and the drug coverage wasn't creditable prescription drug coverage or you go 63 days or more in a row before your new Medicare drug coverage begins, you have to pay a late enrollment penalty when you join a new Medicare drug plan.

Medigap policies generally don't cover

• long-term care
• vision
• dental care
• hearing aids
• eyeglasses
• private-duty nursing.

Some types of insurance that are not Medigap plans, they include:

• Medicare Advantage Plans (like an HMO, PPO, or Private Fee-for-Service Plan)
• Medicare Prescription Drug Plans
• Medicaid
• Employer or union plans, including the Federal Employees Health Benefits Program (FEHBP)
• TRICARE
• Veterans' benefits
• Long-term care insurance policies
• Indian Health Service, Tribal, and Urban Indian Health plans

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