aetna vs unitedhealth medicare is one of the most common comparisons among seniors shopping for coverage. Both companies rank among the largest Medicare insurers in the United States. Aetna, now part of CVS Health, serves roughly 4.2 million Medicare Advantage members.
UnitedHealthcare covers nearly 10 million under the UnitedHealth Group umbrella. Each carrier offers Medigap supplement plans, Medicare Advantage, and Part D drug coverage. However, they differ in network size, pricing, state availability, and extra benefits. Your best choice depends on where you live and what you need most. This guide breaks down the aetna vs unitedhealth medicare debate with current ratings, plan details, and a clear recommendation.
Aetna Vs Unitedhealth Medicare: Quick Comparison
| Feature | Aetna (CVS Health) | UnitedHealthcare (UHG) |
|---|---|---|
| AM Best Rating | A (Excellent) | A (Excellent) |
| CMS Star Rating (Avg) | 4.19 Stars | 4.10 Stars |
| NAIC Complaint Index | 1.47 | 0.24 |
| J.D. Power Score | 655 / 1,000 | 617–663 / 1,000 |
| Medigap Plans Offered | A, B, F, G, High-Ded G, N | A, B, C, F, G, K, L, N |
| MA Plan Types | HMO, HMO-POS, PPO, SNPs | HMO, HMO-POS, PPO, PFFS, SNPs |
| MA States | 43 + D.C. | 46 + D.C. |
| Medigap States | 44 + D.C. | All 50 + D.C. |
| Fitness Program | SilverSneakers | Renew Active |
| OTC Allowance | $25–$150 / quarter | $40–$300+ / quarter |
| Part D Standalone Plans | 1 (SilverScript Choice) | 2 (AARP Rx Preferred, Rx Saver) |
| MA Enrollment | ~4.2 Million | ~9.9 Million |
The aetna vs unitedhealth medicare comparison reveals two strong but different carriers. Aetna edges ahead in CMS star ratings with a 4.19 average. UnitedHealthcare wins on complaint ratios and geographic reach. Aetna scores higher in J.D. Power satisfaction studies. Both hold an A (Excellent) financial strength rating from AM Best.
UnitedHealthcare offers Medigap in all 50 states plus Washington, D.C. Aetna covers 44 states for supplement plans. For Medicare Advantage, UnitedHealthcare reaches 46 states. Aetna is available in 43. In most cases, UnitedHealthcare provides broader nationwide access. For most seniors, the aetna vs unitedhealth medicare choice depends on local plan availability.
Both companies are backed by major health care corporations. Aetna is a subsidiary of CVS Health, the largest pharmacy chain in America. UnitedHealthcare is part of UnitedHealth Group, the largest health insurer globally. For seniors, this means strong networks and stable benefits over time.
Medicare Plan Options: Aetna vs Unitedhealth
When evaluating aetna vs unitedhealth medicare plan options, Medigap is a key starting point. Aetna offers Plans A, B, F, G, High-Deductible G, and N. UnitedHealthcare offers Plans A, B, C, F, G, K, L, and N under the AARP brand. Plan G is typically the most popular choice for new enrollees with both carriers.
For Medicare Advantage, both carriers offer HMO, HMO-POS, and PPO plan types. UnitedHealthcare also provides PFFS plans for added flexibility. Aetna has been reducing its MA footprint for 2026. It dropped contracts across 34 states, mostly affecting rural PPO coverage. On the other hand, UnitedHealthcare remains available to 94% of Medicare-eligible beneficiaries according to CMS data. Both carriers offer $0 premium plans in competitive markets.
Both carriers offer all three types of Special Needs Plans. These include D-SNP, C-SNP, and I-SNP options. Aetna is expanding C-SNPs to 18 states for 2026. UnitedHealthcare is the most-chosen D-SNP brand nationally based on total enrollment.
Part D pricing varies between the two. UnitedHealthcare’s AARP Rx Preferred plan has no deductible but costs more per month. The AARP Rx Saver plan has lower premiums with a $615 deductible for 2026. Aetna’s SilverScript Choice offers $0 premiums for Extra Help recipients in 18 states. For most enrollees, integrated MAPD plans include drug coverage at no additional cost.
Rates and Enrollment: Aetna vs Unitedhealth
Comparing aetna vs unitedhealth medicare rates requires checking your specific ZIP code. Premiums vary significantly by state and county. Many Medicare Advantage plans from both carriers offer $0 monthly premiums. Roughly 82% of Aetna MAPD plans carry no monthly premium. UnitedHealthcare offers similar $0 premium options in most markets. Even zero-premium plans charge copays and coinsurance for services.
For Medigap, both companies use attained-age pricing in most states. This means premiums increase as you get older. However, Aetna offers issue-age pricing in five states. This can lock in a lower rate at enrollment. UnitedHealthcare Medigap premiums rose roughly 10% between 2025 and 2026. You can compare plan costs directly on medicare.gov Plan Finder.
Enrollment is straightforward with both companies. Aetna allows online enrollment through aetnamedicare.com. UnitedHealthcare offers enrollment at aarpmedicareplans.com. Both accept enrollment by phone or through licensed agents. In most cases, working with an independent agent lets you compare both carriers side by side. The annual enrollment period runs from October 15 to December 7 each year.
Additional Benefits Compared
The aetna vs unitedhealth medicare comparison gets interesting with additional benefits. Both carriers include dental, vision, and hearing coverage on most MA plans. However, the scope and value of these extras differ between them.
| Benefit | Aetna | UnitedHealthcare |
|---|---|---|
| Preventive Dental | $0 exams on all plans | $0 exams on most plans |
| Vision Allowance | Varies by plan | $100–$450 / year |
| Hearing Aid Benefit | Included | $500–$2,000 allowance |
| Fitness Program | SilverSneakers | Renew Active |
| OTC Allowance | $25–$150 / quarter | $40–$300+ / quarter |
| Telehealth | Available | Expanded through 2026 |
| Transportation | D-SNP plans | Select MA plans |
| Meal Delivery | Select plans | Select plans |
Both carriers offer preventive dental exams at no extra cost. UnitedHealthcare typically provides higher vision allowances, ranging from $100 to $450 per year. Aetna includes SilverSneakers fitness on all MA plans except I-SNPs. UnitedHealthcare uses its own Renew Active program instead. Renew Active offers gym access at over 25,000 locations nationwide.
For OTC allowances, UnitedHealthcare is generally more generous. Its UCard provides $40 to over $300 per quarter. Aetna offers $25 to $150 per quarter. Both carriers provide telehealth services on MA plans. UnitedHealthcare maintained expanded telehealth even after Original Medicare scaled back coverage in early 2026. Many Medicare beneficiaries also carry a life insurance policy to protect their family. You can compare life insurance rates at Life Insure Guide to explore affordable options.
Transportation and meal delivery benefits are growing in importance. Both carriers offer rides to medical appointments on select plans. D-SNP members with either company may qualify for meal delivery after hospital stays. Aetna’s Extra Benefits Card covers food, OTC products, and utilities for dual-eligible members. UnitedHealthcare’s UCard offers similar combined spending flexibility.
Financial Strength and Stability
Financial stability matters when choosing between aetna vs unitedhealth medicare carriers. Both companies currently hold an A (Excellent) rating from AM Best. However, their recent trajectories differ. UnitedHealthcare was downgraded from A+ to A in August 2025. AM Best cited $6.5 billion in additional medical expenses. Aetna has maintained its A rating with a stable outlook.
In CMS star ratings, Aetna leads slightly with a 4.19 enrollment-weighted average. UnitedHealthcare averages 4.10 stars. Both exceed the industry average of 3.98 stars. Roughly 81% of Aetna members are in plans rated 4 stars or higher. For UnitedHealthcare, that figure is 78%. These ratings directly affect quality bonuses each company receives from CMS.
In J.D. Power’s 2025 Medicare Advantage study, both carriers scored above average. Aetna earned 655 out of 1,000 points in key markets. UnitedHealthcare scored between 617 and 663 depending on the region. The industry average was 623 points. UnitedHealthcare ranked highest in Georgia and North Carolina. Aetna ranked second in Pennsylvania, Florida, and Ohio.
UnitedHealthcare excels in complaint ratios. Its NAIC complaint index is just 0.24. That means 76% fewer complaints than expected for its size. Aetna’s main entity scores 1.47, close to the industry average. For example, this suggests UnitedHealthcare resolves customer issues more effectively. This data is publicly available through the NAIC Consumer Information Source. Retirees should also review homeowners coverage alongside Medicare choices. You can compare home insurance rates at Home Insure Guide for current quotes.
Which Medicare Carrier Should You Choose?
Deciding the aetna vs unitedhealth medicare question comes down to your priorities.
Choose Aetna if: You want SilverSneakers gym access included with your plan. You prefer a carrier with slightly higher CMS star ratings. You value CVS pharmacy integration for prescriptions and OTC items. You are shopping in a state where Aetna offers competitive Medigap rates.
Choose UnitedHealthcare if: You need Medigap coverage in a state Aetna does not serve. You want broader provider networks and nationwide availability. You prefer higher OTC allowances and more Part D plan choices. You value a low complaint ratio and strong customer service.
Ultimately, the aetna vs unitedhealth medicare decision is personal. Both carriers are financially strong and nationally recognized. Your best plan depends on local availability and pricing. Typically, seniors benefit from comparing both carriers in their ZIP code before enrolling.
Neither company is universally better. In some areas, Aetna offers lower Medigap premiums. In others, UnitedHealthcare wins on price and benefits. The right choice varies by state and even by county. The J.D. Power scores confirm both companies satisfy members above the industry average.
Frequently Asked Questions
Is Aetna or UnitedHealthcare better for Medicare Advantage?
It depends on your location and health needs. Aetna has slightly higher average star ratings for 2026. However, UnitedHealthcare serves more states and has a much lower complaint ratio. Both carriers earn above-average scores from CMS. In most cases, comparing both in your ZIP code on medicare.gov gives the clearest answer.
Does UnitedHealthcare Medicare include SilverSneakers?
No. UnitedHealthcare uses its own Renew Active fitness program. Renew Active provides gym access at over 25,000 locations. It also includes brain health tools through AARP Staying Sharp. This program replaced SilverSneakers, which UnitedHealthcare phased out several years ago. On the other hand, Aetna includes SilverSneakers on most Medicare Advantage plans.
How do I decide between aetna vs unitedhealth medicare for Medigap?
Start by checking which plans each company offers in your state. UnitedHealthcare sells Medigap in all 50 states under the AARP brand. Aetna covers 44 states. Typically, comparing Plan G quotes from both carriers reveals which is more affordable. Plan G is the best value for most new enrollees. Compare monthly premiums and check rate increase history in your state.
Compare More Medicare Insurance Companies
Looking for more Medicare carrier reviews, plan comparisons, and enrollment guides? Browse our complete library of Medicare resources.
Official Sources & Resources
For verified information on Medicare plans, ratings, and enrollment:
- Medicare.gov (Official): medicare.gov
- CMS.gov (Centers for Medicare & Medicaid): cms.gov
- AM Best (Financial Strength Ratings): ambest.com
- NAIC (Complaint Ratios): naic.org
- State Health Insurance Assistance Program (SHIP): shiphelp.org
- Kaiser Family Foundation (KFF): kff.org
Content last reviewed April 2026. If you notice any outdated information, please contact us.