For many Americans, enrolling in Medicare is like finally forming a safety net after decades of hard work. It is often described as health insurance to help people through retirement. Sadly, the reality may surprise many new beneficiaries. It helps pay for a wide range of hospital and medical expenses, but Medicare was never designed to cover all the health care needs a senior may face.
This gap can lead to unexpected bills. Some services are completely not covered by Medicare, while others are only partially covered, resulting in high out-of-pocket costs for patients.
According to recent data, retirees spend thousands of dollars each year on medical expenses not covered by Medicare. Understanding that these gaps exist can help people plan wisely, select supplemental coverage, and avoid future financial surprises.
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Some Americans may believe that Medicare will cover the cost of a long-term nursing home stay, but this is not the case. Medicare only covers short-term skilled nursing care under certain circumstances, usually after a hospitalization.
The Centers for Medicare and Medicaid Services makes this clear in its beneficiary guidance. “Most long-term care is custodial care,” the agency explains. “Medicare doesn’t cover long-term care if that’s the only care you need.”
This means that help with daily activities such as bathing, dressing, and eating is generally not covered by Medicare. Planning is crucial for retirees who may ultimately need this level of support. Long-term care insurance, Medicaid eligibility, or personal savings are often the primary ways families pay for these costs.
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Routine dental care is one of the most common health expenses that seniors must pay out of pocket. Because oral health affects everything from nutrition to heart health, many retirees choose to purchase a stand-alone dental insurance plan or a discount dental membership. Others budget annual dental expenses directly.
“In most cases, Medicare does not cover dental services such as routine cleanings, fillings, extractions (tooth extractions), or dentures and implants,” reads the official Medicare page . Lifelong good habits backed by a private dental insurance plan are the way forward.
Vision changes naturally as we age, but routine eye exams and corrective lenses are typically not covered by health insurance. Things like contact lenses or eye exams don’t fall under the usual jurisdiction.
There are some exceptions, such as eye exams related to diabetes or glaucoma screening for high-risk patients. Medicare may also cover a pair of glasses after cataract surgery where a lens is implanted. Still, most seniors pay out of pocket for regular vision care unless they are enrolled in a Medicare Advantage plan that includes vision benefits.
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Hearing loss becomes more common as we age, but health insurance often doesn’t cover hearing aids. This result may be surprising considering that one-third of adults aged 65 to 74 have hearing loss. Even some private insurance companies don’t cover this issue.
Additionally, with hearing aids costing thousands of dollars, this disparity is a growing concern for policymakers. Some Medicare Advantage plans offer limited hearing benefits, and new FDA-approved over-the-counter hearing aids may help lower costs.
Thankfully, the National Council on Aging (NCOA) also lists charities that can help those without proper insurance.
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Foot problems can affect mobility and quality of life, but health insurance often doesn’t cover routine foot care, such as nail trimming or callus removal. However, there are conditions that may not exempt certain claimants.
A small rule from the U.S. Department of Health and Human Services (HHS) applies. Those with “systemic medical conditions that increase the risk of infection or injury if services are not provided promptly” no Performed by a lay medical practitioner” may qualify.
Medicare may also cover medically necessary foot care for people with certain conditions, such as diabetes-related nerve damage. For others, routine maintenance podiatry visits are often out of pocket.
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Most cosmetic surgery, or plastic surgery, is not covered by Medicare or private insurance because it covers the cost of improving a person’s appearance. Surgery performed purely for cosmetic reasons and not for medical necessity is generally not covered by Medicare.
However, there are exceptions. Medicare may provide coverage if the surgery is medically necessary, such as reconstructive surgery after an accident or cancer treatment. Still, lip fillers or a tummy tuck are personal expenses.
“It may cover plastic surgery when it’s necessary to repair damage caused by illness, accident, or developmental issues with a body part,” Medical News Today notes. Certain conditions qualify, such as after an accident or mastectomy surgery, and cosmetic correction of certain deformities.
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Living overseas may come with wonderful fringe benefits, but health insurance is unlikely to be one of them, even for members of the foreign armed forces. For retirees who like to travel or even live abroad part-time, private or foreign country insurance is a necessity. There are some limited exceptions, such as urgent care near the U.S. border.
Because of this gap, travelers often purchase travel medical insurance before traveling abroad. There is a TRICARE option, although it may come with complications.
“Medicare does not cover health care outside the United States or U.S. territories, so TRICARE is the primary payer,” the website says. That means you’ll be responsible for a deductible, and you may need to pay up front so you can be reimbursed later.
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There is a clear upward trend in alternative medicine treatments, many of which are now standard. Complementary and alternative therapies such as acupuncture, naturopathic medicine, and herbal medicine are popular among many older adults. However, most of these services are not covered.
Healthline’s Tess Catlett confirms this in a guide to alternative medicine coverage. She added that “Medicare Advantage (Part C) plans may offer broader coverage for alternative treatments.” However, their specific plans must be researched and a licensed practitioner must be involved.
As always, there are some minor exceptions. Medicare now covers acupuncture treatments for chronic low back pain in certain circumstances. But many other alternative treatments remain outside the scope of the program’s benefits.
Some doctors have a “concierge” or membership-based approach, in which patients pay an annual fee for more services or extended appointments. Of course, being able to afford this means you’re in a better financial position than most. Therefore, such expenses are generally not reimbursed by Medicare.
Additionally, the Medicare Concierge Care Guide warns that people must also be careful. “Your doctor may recommend services that are not covered by Medicare or are provided too frequently,” it reads. “Be sure to ask your doctor why these recommendations are made and what Medicare actually covers.”
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Medicare does cover some home health services, but only if they are medically necessary and provided by a skilled professional. Medicare usually doesn’t pay for daily help, such as help with cooking, dressing, or housework.
The American Association of Retired Persons (AARP) confirms that “Medicare will cover part-time or intermittent skilled nursing care, therapy, and other assistance,” but only as ordered by your doctor.
It does not include care for daily activities, which may ultimately require home or privately covered in-home assistance. Getting older is no joke, so preparing for it before it’s too late can bring peace of mind.
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Prescription drugs can be one of the largest medical expenses for retirees. While Medicare provides drug coverage through Part D plans, people without the plan can face high out-of-pocket costs.
Industry research platform PhRMA reported in 2025 that some Medicare Part D plans were denying up to 70% of claims for four chronic conditions.
“Pharmaceutical benefit managers (PBMs) and plans are increasingly using aggressive tactics to deny coverage,” writes Caroline Dunne. She listed “excluding doctor-prescribed medications from coverage” as well as other serious conditions.
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