Does Medicare Secondary cover the primary insurance deductible?

Asked by: Prof. Theodore Frami DVM  |  Last update: October 24, 2025
Score: 4.2/5 (39 votes)

Usually, secondary insurance pays some or all of the costs left after the primary insurer has paid (e.g., deductibles, copayments, coinsurances). For example, if Original Medicare is your primary insurance, your secondary insurance may pay for some or all of the 20% coinsurance for Part B-covered services.

Does Medicare Secondary pay primary deductible?

Medicare as secondary insurance often referred to as “Medigap” or Medicare Supplement Insurance plan, works by filling the gaps left by Original Medicare. It covers deductibles, co-payments, and other out-of-pocket costs that the primary insurance doesn't cover, reducing the financial burden.

Do you have to pay the deductible if you have secondary insurance?

The other plan can pick up the tab for anything not covered, but it won't pay anything toward the primary plan's deductible. If both plans have deductibles, you'll have to pay both before coverage kicks in. You don't get to choose which health plan is primary, meaning the one that pays first.

What is the secondary payer rule for Medicare?

In certain situations, however, federal Medicare Secondary Payer (MSP) law prohibits Medicare from making payments for an item or service when payment has been made, or can reasonably be expected to be made, by another insurer such as a liability plan.

Will secondary pay if primary denies?

It depends on which insurance is considered “primary” and which is “secondary.” The insurance that pays first (primary payer) pays up to the limits of its coverage. The insurance that pays second (secondary payer) only pays if there are costs the primary insurance didn't cover.

8 Reasons to DELAY Medicare Past 65 That Will Save You Thousands and Avoid ALL Penalties

29 related questions found

What is the primary secondary insurance rule?

The insurance that pays first is called the primary payer. The primary payer pays up to the limits of its coverage. The insurance that pays second is called the secondary payer. The secondary payer only pays if there are costs the primary insurer didn't cover.

Can I have both employer insurance and Medicare Part B?

Can I combine employer health insurance with Medicare? If you or your spouse are working and covered through an employer, you can also decide to keep this coverage and enroll in Original Medicare, Part A and/or Part B to get additional health coverage.

What is the 2 2 2 rule in Medicare?

Introduced in the Fiscal Year 2014 Inpatient Prospective Payment System (IPPS) Final Rule, the two-midnight rule specifies that Medicare will pay for inpatient hospital admissions when a physician reasonably expects the patient's care to require a stay that crosses two midnights, and the medical record supports this ...

What is the penalty for being a secondary payer for Medicare?

Penalties against an RRE are up to $1,000 (as adjusted) per instance of noncompliance for each calendar day that a record is late, with a maximum annual penalty of $365,000 per instance. Penalties may be waived if RREs can show “good faith efforts” to report any records identified by CMS as being noncompliant.

Will the other person's insurance pay my deductible?

In California, determining fault is crucial in deciding who ultimately pays the deductible. California follows a “fault” insurance system, meaning the driver responsible for causing the accident pays for the damages through their insurance company.

Does Medicare automatically bill secondary insurance?

Medicare doesn't automatically know if you have other coverage. But your insurers must report to Medicare when they're the primary payer on your medical claims. In some situations, your healthcare provider, employer or insurer may ask questions about your current coverage and report that information to Medicare.

Can I have a high-deductible health plan and a secondary insurance?

Other coverage that is allowed in addition to an HDHP

The IRS does allow you to have some types of coverage in addition to your HDHP, without jeopardizing your eligibility to contribute money to your HSA.

How does secondary insurance work with deductibles?

Primary insurance pays first for your medical bills. Secondary insurance pays after your primary insurance. Usually, secondary insurance pays some or all of the costs left after the primary insurer has paid (e.g., deductibles, copayments, coinsurances).

What is the best secondary insurance if you have Medicare?

The best Medicare supplement plan providers
  • Best for extra plan benefits: Humana.
  • Best for straightforward coverage: State Farm.
  • Best for extensive medical care coverage: AARP by UnitedHealthcare.
  • Best for a range of Medigap plans: Blue Cross Blue Shield.

Who is responsible for determining whether Medicare is the primary or secondary payer?

Medicare statute and regulations require that all entities that bill Medicare for items or services rendered to Medicare beneficiaries must determine whether Medicare is the primary payer for those items or services.

What is the Medicare 85% rule?

Medicare pays for medical and surgical services provided by PAs at 85 percent of the physician fee schedule. This rate applies to all practice settings, including hospitals (inpatient, outpatient and emergency departments), nursing facilities, homes, offices and clinics. It also applies to first assisting at surgery.

What is the Medicare secondary payer rule?

Medicare Secondary Payer (MSP) provisions protect Medicare from paying when another entity should pay first. Any entity providing items and services to Medicare patients must determine if Medicare is the primary payer.

What is the 30 day rule for Medicare?

You must enter the SNF within a short time (generally 30 days) of leaving the hospital and require skilled services related to your hospital stay. After you leave the SNF, if you re-enter the same or another SNF within 30 days, you don't need another 3-day qualifying hospital stay to get additional SNF benefits.

Can I use my secondary insurance as primary?

The short answer is no, you can't. As outlined above, an individual's employer-sponsored plan will always be primary. Even if a spouse or parent's plan has better coverage or maybe a lower deductible, you can't submit claims to them first.

Does everyone have to pay $170 a month for Medicare?

Most people pay no premiums for Part A. For Medicare Part B in 2025, most beneficiaries will pay $185 per month. Certain factors may require you to pay more or less than the standard Medicare Part B premium in 2025.

How to bill Medicare as secondary insurance?

When Medicare is the secondary payer, submit the claim first to the primary insurer. The primary insurer must process the claim in accordance with the coverage provisions of its contract.

What happens to my younger wife when I go on Medicare?

Medicare is individual insurance, so spouses cannot be on the same Medicare plan together. Now, if your spouse is eligible for Medicare, then he or she can get their own Medicare plan.