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Understanding the Idaho Medicare Birthday Rule: A Guide to Med Sups

If you're nearing your 65th birthday or have a parent who is, you may be wondering how Medicare works and what options are available for additional coverage. In Idaho, there's a special rule called the Medicare Birthday Rule that allows beneficiaries to switch to a different Medicare Supplement (Med Sup) plan without medical underwriting during their birthday month. In this post, we'll explain what Med Sups are, how the Idaho Medicare Birthday Rule works, and the benefits it provides.

What are Medicare Supplements (Med Sups)?

Original Medicare (Part A and Part B) provides basic health insurance coverage for hospital and medical services, but it doesn't cover all of the costs. Medicare Supplements, also known as Medigap policies, are private insurance plans that help fill in the gaps by covering some of the out-of-pocket expenses, such as deductibles, copayments, and coinsurance. There are ten standardized Med Sup plans (A, B, C, D, F, G, K, L, M, and N) available in most states, each with different levels of coverage and premiums.

How does the Idaho Medicare Birthday Rule work?

The Idaho Medicare Birthday Rule is a special provision that applies to Med Sups. During the beneficiary's birthday month, they can enroll in a different Med Sup plan or switch to a different insurance company that offers Med Sup plans without having to go through medical underwriting. This means that the insurance company cannot deny coverage or charge higher premiums based on the beneficiary's health status or pre-existing conditions. However, the new plan must provide the same or less coverage as the previous plan, and the beneficiary must continue to pay their monthly premiums.

For example, let's say, Reese Phillips, a 65-year-old Idaho resident, is enrolled in a Med Sup Plan F with Insurance Company A. During his birthday month, Reese decides to switch to a Plan G with Insurance Company B, which has a lower premium. He ca

n do so without undergoing medical underwriting and without being charged higher premiums because of his health status or pre-existing conditions. However, Plan G must provide the same or less coverage than Plan F, and Reese must continue to pay his monthly premiums.

The Idaho Medicare Birthday Rule provides several benefits for beneficiaries, including:

  • More flexibility: Beneficiaries have the freedom to switch to a different Med Sup plan or insurance company during their birthday month without worrying about medical underwriting. This allows them to explore their options and find a plan that better suits their needs and budget.

  • Savings on premiums: Beneficiaries can save money on their monthly premiums by switching to a different Med Sup plan or insurance company that offers the same or similar coverage at a lower cost.

  • Protection against unexpected health care costs: Med Sups help protect beneficiaries from unexpected out-of-pocket costs that can add up quickly, especially if they have a serious illness or injury. By switching to a different plan or company that provides more comprehensive coverage, beneficiaries can reduce their financial risk and gain peace of mind.


The Idaho Medicare Birthday Rule is a valuable tool for beneficiaries who want to switch to a different Med Sup plan or insurance company without undergoing medical underwriting. By taking advantage of this rule during their birthday month, beneficiaries can gain more flexibility, save money on premiums, and protect themselves against unexpected healthcare costs. If you or a loved one is approaching 65 and considering Med Sups, be sure to explore your options and consult with a licensed insurance agent to find the best plan for your needs.

About Preferred Senior Benefits in Meridian, Idaho

Medicare is a federal program that provides healthcare coverage to individuals 65 years or older. Original Medicare coverage is broken into two parts—Part A and Part B—and is accepted by nearly every doctor and hospital in the country. Medicare Part A covers inpatient or hospital stays, while Part B covers outpatient or medical care. Together, Part A and B cover about 80% of the typical healthcare costs seniors face. This leaves a few significant gaps in coverage. Medicare Supplement (Medigap) and Medicare Advantage plans are policies designed to help extend coverage, lessen costs, and ultimately give beneficiaries peace of mind. If you or someone you know would like more information about how to enroll in Original Medicare or one of the Medicare Advantage plans, call now to speak with a licensed agent (208) 818-2523. We can’t wait to help you learn about your options.

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