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Having More Than One Health Plan

Robin Gelburd, JD, is the president of FAIR Health, a national, independent, nonprofit organization with the mission of bringing transparency to healthcare costs and health insurance information. FAIR Health possesses the nation’s largest collection of private healthcare claims data, which includes over 28 billion claim records contributed by payers and administrators who insure or process claims for private insurance plans covering more than 150 million individuals. CMS as a national Qualified Entity, FAIR Health also receives data representing the experience of all individuals enrolled in traditional Medicare Parts A, B and D; FAIR Health houses data on Medicare Advantage enrollees in its private claims data repository. Gelburd is a nationally recognized expert on healthcare policy, data and transparency.
Suppose you’re starting a new job that offers health insurance. But, you’re already covered under the health plan that your spouse has through his or her job. Should you take the extra coverage your employer offers?

Every case like this is different, and the decision will be up to you. But, 1 thing is certain: Being covered under two health plans doesn’t mean the two plans will pay the same amount twice for the same doctor visit. The plans will never pay the doctor—or you—more than 100% of the cost of a medical or dental service.

Even so, you may save money from having two (or more) plans. Here are the basics about how such situations work, and what to think about in deciding whether to have more than 1 plan.

Coordination of Benefits
When you are covered by more than 1 health plan, there are rules about which plan pays what, known as “coordination of benefits.” The rules vary among states and insurers. But, the general idea is that 1 plan will be primary, and the other is secondary. When a claim is filed, the primary plan will pay whatever it’s responsible for paying under the terms of the plan. It will act as if the secondary plan didn’t exist. Then, the secondary plan will pay whatever it covers that the primary plan hasn’t already paid, up to 100% of the bill.

You don’t choose which plan is primary. That is set by the coordination of benefit rules. Usually, your employer’s plan is primary. If you also are covered by your spouse’s plan, that plan is usually secondary. Or, suppose you have a child under age 26 who is a dependent covered under your employer’s plan. Let’s say that child gets a job and is now also covered by his or her employer’s plan. That child’s employer’s plan becomes his or her primary plan; your employer’s plan becomes his or her secondary plan.

There are many more rules for other situations. Some of them may seem strange. If your child is a dependent on two plans, those of you and your spouse, the “birthday rule” usually applies. This states that the plan of the parent whose birthday comes first in the calendar year is primary.

One situation that often comes up involves Medicare, the government health insurance program for people age 65 and older. (It also covers disabled people and those with end-stage renal disease.) When you turn 65, you’re eligible for Medicare. But you may still be working, and getting coverage from your employer’s plan. If you enroll in Medicare, who is the primary insurer?

The answer probably depends on how big your company is. If your company has 20 or more employees, the company plan is primary, and Medicare is secondary. If your company has fewer than 20 employees, Medicare is generally primary—but there are exceptions. To see the different ways Medicare coordinates with other coverage, click here.

Medical and Dental Coordination
A special case of coordination of benefits may come up if you have both medical and dental insurance. If you have a procedure such as oral surgery or gum surgery, the line between which services are covered under medical and which are covered under dental may not be clear. The language of the health plans (medical and dental) will help determine if a service is covered under the medical plan, dental plan or both.

Coordination of benefits is easier if the same insurer administers both your medical and dental coverage. The administrator/insurer will define which services are medical and which are dental, and may list the services to help you understand what the plans cover. In some cases, the service may be listed under both your medical and dental plan. In that case, both plans may pay for the service and you’ll need to know which plan is primary. The language of the plans can help here as well, telling you which plan is primary.

Some plans are self-insured. That means the employer takes on the financial risk for providing health benefits to its employees. In such cases, the employer decides on a policy of which services are medical and which are dental, and whether the medical or dental plan is primary. If your employer’s plans are insured, then the administrator/insurer has most of the say on what services are covered by each plan. (See Insured and Self-Insured Plans.)

If two different insurers issue your medical and dental plans, they each will need to look at their plan language to determine if they are primary. Generally, if there is no explicit provision in either policy, then the medical insurer is usually primary and the dental insurer secondary.

You may find yourself in still another situation where you or a family member are covered by two plans. If so, and if you aren’t sure which is primary, check your plans’ documents or ask your plans’ member service representatives.

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