Primary and secondary payers - Medicare Interactive (2024)

Coordination of benefits basics

When you have Medicare and another type of insurance, Medicare will either pay primary or secondary for your medical costs.

  • 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). 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. You may find secondary insurance useful in lowering your health costs depending on how much coverage your primary insurer offers and its costs.
    • If your primary insurance denies coverage, secondary insurance may or may not pay some part of the cost, depending on the insurance.
    • If you do not have primary insurance, your secondary insurance may make little or no payment for your health care costs.

If you are considering delaying Part B enrollment because you have insurance, make sure to ask your benefits manager or human resources department how your insurance works with Medicare. In cases where Medicare is primary to your current insurance, you should enroll in Part B to avoid incurring high costs for your care. This is because when Medicare is primary to your other insurance, your other insurance may not pay for costs until Medicare pays—so you would be responsible for paying these costs out of pocket. When Medicare is secondary, your current insurance will pay the majority of the cost for covered services.

You can also confirm how Medicare works with your current insurance by contacting the Social Security Administration (SSA) or Medicare.

Primary and secondary payers - Medicare Interactive (2024)

FAQs

What is the difference between primary payer and secondary payer? ›

What it means to pay primary/secondary. The insurance that pays first (primary payer) pays up to the limits of its coverage. The one that pays second (secondary payer) only pays if there are costs the primary insurer didn't cover.

What is the Medicare secondary payer rule? ›

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.

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

Part B Providers (Physicians, Practitioners, and Suppliers)

Gather accurate MSP data to determine if Medicare is the primary payer by asking Medicare beneficiaries, or their representatives, for MSP information. Bill the primary payer before billing Medicare.

How to bill Medicare secondary claims electronically? ›

Medicare Secondary Payer (MSP) claims can be submitted electronically to Novitas Solutions via your billing service/clearinghouse, directly through a Secure File Transfer Protocol (SFTP) connection, or via Novitasphere portal's batch claim submission.

Why is Medicare secondary payer? ›

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.

Can claims be sent to the primary and secondary payer at the same time? ›

Healthcare practices cannot submit a claim to both insurance companies at the same time. Instead, you'll need to submit to the primary insurance, wait to see how much the primary insurance will pay, and then submit to secondary insurance.

What is the formula for Medicare secondary payer reimbursem*nt? ›

If the gross amount payable by Medicare in this case is $850, then as secondary payer, Medicare pays the lowest of the following amounts: (i) The gross amount payable by Medicare minus the Medicare deductible: $850−$520 = $330. (ii) The gross amount payable by Medicare minus the primary payment: $850−$450 = $400.

What is the 2 2 2 rule in Medicare? ›

The two-midnight rule is used when a clinician believes that a Medicare beneficiary needs hospital care that will likely eclipse two midnights—requiring inpatient care instead of cheaper outpatient care, Regan Tankersley, an attorney at the law firm Hall Render who advises healthcare systems, told Healthcare Brew.

How do you determine which insurance is primary and which is secondary? ›

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.

How do I know if my Medicare is a secondary payer? ›

If the employer has 20 or more employees, then the group health plan pays first, and Medicare pays second . If the employer has fewer than 20 employees and isn't part of a multi-employer or multiple employer group health plan, then Medicare pays first, and the group health plan pays second .

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.

Who is required to complete the Medicare secondary payer questionnaire? ›

Providers are required to complete a Medicare Secondary Payer Questionnaire (MSPQ) upon admission of each Medicare patient. A sample of the MSPQ can be found in the Centers for Medicare & Medicaid Services' (CMS) Internet-Only Manual (IOM), Publication 100-05, Medicare Secondary Payer Manual, Chapter 3, Section 20.2.

How do you bill a secondary claim? ›

After the primary insurance processes the claim, note the allowable amount, the patient responsibility and any adjustments. Submit the claim to the secondary insurance. Make sure to include the original claim amount, how much the primary insurance paid and reasons why they didn't pay the entire claim.

What is the timely filing limit for Medicare secondary payer? ›

Answer: The timely filing requirement for primary or secondary claims is one calendar year (12 months) from the date of service.

How long are providers required to retain Medicare secondary payer records? ›

Providers are required to retain copies of completed MSP Questionnaires and other MSP information for 10 years after the date of service.

How do you determine primary payer? ›

Each type of coverage is called a “payer .” When there's more than one payer, “coordination of benefits” rules decide who pays first . The “primary payer” pays what it owes on your bills first, then you or your health care provider sends the rest to the “secondary payer” (supplemental payer) to pay .

What does primary payer mean? ›

Primary payers are those that have the primary responsibility for paying a claim. Medicare remains the primary payer for beneficiaries who are not covered by other types of health insurance or coverage. Medicare is also the primary payer in certain instances, provided several conditions are met.

What are the two types of payer? ›

Types of Healthcare Payers

Commercial payers are insurance companies that are publicly traded, private payers are private insurance companies, and government/public payers are government plans such as Medicaid and Medicare.

What are the two common payer types in healthcare? ›

Healthcare costs are paid for by private payers or public payers. Private payers are insurance companies and public payers are federal or state governments.

References

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