Tennessee has roughly 1.4 million Medicare enrollees and a Medicare Advantage penetration rate well above the national average.1That structural fact shapes everything else — including the most important choice your parent has to make about how to receive Medicare benefits.

What Medicare covers, and what it doesn’t

Medicare is health insurance. It is not long-term-care insurance. This is the single most expensive misconception in caregiving and it’s especially common when adult children of Tennessee parents assume Medicare will pay for memory care or in-home aide hours. It will not.

What Medicare does cover:

What Medicare does not cover:

Original Medicare vs. Medicare Advantage in Tennessee

Every Medicare-eligible person in the US chooses between two broad structures: Original Medicare (Parts A and B, usually paired with a Medigap supplement and a Part D drug plan) or Medicare Advantage (Part C, a private plan that bundles A, B, and usually D plus extras). In Tennessee, Advantage has won meaningful market share.

Tennessee Advantage penetration is among the highest in the Southeast.2Penetration is especially concentrated in the major metros — Nashville, Memphis, Knoxville, Chattanooga — where multiple national carriers compete with Tennessee-rooted plans. Rural counties in West and East Tennessee have far fewer options, and in some counties only one or two MA plans operate.

When Original Medicare + Medigap usually beats Advantage

When Advantage usually beats Original Medicare

Medigap in Tennessee

If your parent chooses Original Medicare, they almost certainly also want a Medigap (Medicare Supplement) policy to cover the deductibles and coinsurance that Original Medicare leaves behind. Medigap plans are federally standardized— Plan G in Tennessee provides the same benefits as Plan G anywhere else. Tennessee’s pricing and enrollment rules:

Medicare Savings Programs (MSPs) in Tennessee

If your parent has limited income, they may qualify for one of the federal Medicare Savings Programs, administered in Tennessee by TennCare:

Many eligible Tennesseans never apply because the application process is opaque and the state doesn’t actively promote the program. A SHIP-TN counselor can walk your parent through the application for free.

Annual Enrollment Period (AEP) in Tennessee

Medicare AEP runs from October 15 through December 7 each year. During this window your parent can:

Tennessee’s AEP marketing intensity is substantial, particularly in the major metros — TV ads, mailers, and in-person events dominate the eight weeks before December 7. Most ads are designed to drive enrollment in a specific plan rather than to help your parent compare plans. The right comparison tool is Medicare.gov’s Plan Finder, which lets you enter your parent’s ZIP code, current prescriptions, and preferred providers, then ranks every plan available to them by total annual cost.4

There is also a Medicare Advantage Open Enrollment Period (MA OEP) from January 1 through March 31 each year, during which someone already on Advantage can switch to a different Advantage plan or back to Original Medicare with Part D. This is less well-known and gives your parent a second-chance window if their AEP choice didn’t work out.

Where to get free help in Tennessee

SHIP-TN— Tennessee’s federally-funded State Health Insurance Assistance Program — provides free, unbiased Medicare counseling through volunteers across the state. They don’t sell plans, take commissions, or represent any insurer. Call 1-877-801-0044 or visit tn.gov/aging to find a counselor near your parent.

For specific Medicaid-related questions where Medicaid and Medicare interact (dual-eligibility, long-term-care benefits), see our Tennessee Medicaid guide.