Joe Namath Joe Namath is a well-known celebrity athlete who endorses Medicare Advantage (Medicare Part C) plans, particularly during the fall Medicare open enrollment period (also called the Annual Election Period, or AEP).

Together, UnitedHealthcare and Humana account for nearly half (47%) of all Medicare Advantage enrollees nationwide. In nearly a third of counties (32%; or 1,013 counties), these two firms account for at least 75% of Medicare Advantage enrollment.

AARP/UnitedHealthcare is the most popular Medicare Advantage provider with 28% of all enrollment. Plans are well-rated and have affordable premiums and add-on benefits, a valuable combination that could account for AARP/UHC having the largest number of Medicare Advantage enrollees.

Plan F has the most enrollees overall. But Plan G has the second most enrollees. While these plans are the most popular, it's essential to consider your healthcare needs and not enroll in something just because everyone else has that policy.

With a Medicare Advantage Plan, you may have coverage for things Original Medicare doesn't cover, like fitness programs (gym memberships or discounts) and some vision, hearing, and dental services (like routine check ups or cleanings).

• Best Medicare Advantage Plans and Providers of 2023.
• Blue Cross Blue Shield.
• Humana.
• Aetna.
• UnitedHealthcare.
• Cigna.
• Anthem.
• Methodology: How We Picked the Best Medicare Advantage Providers of 2023.

Top 10 U.S. states based on number of Medicare beneficiaries in 2021

Medicare is the single largest payer for health care services in the United States. In FY2021, Medicare processed more than 1.1 billion fee-for-service (FFS) claims from over 1.5 million health care providers, making over $424 billion in Medicare payments.

UnitedHealthcare and Humana account for nearly half (47%) of all Medicare Advantage enrollees nationwide, and in nearly a third of counties (32%; or 1,013 counties), these two firms account for at least 75% of Medicare Advantage enrollment.

A Medicare Advantage Plan is another way to get your Medicare Part A and Part B coverage. Medicare Advantage Plans, sometimes called “Part C” or “MA” Plans, are offered by Medicare-approved private companies that must follow rules set by Medicare. Most Medicare Advantage Plans include drug coverage (Part D).

Sources of Coverage among Medicare Beneficiaries, 2020

Visit Medicare.gov/eligibilitypremiumcalc/ or call 1-800-MEDICARE (1-800-633-4227 or TTY 1-877-486-2048). Review the “Deciding Whether to Enroll in Medicare Part A and Part B When You Turn 65” fact sheet to help you make these decisions.