Aetna Health Insurance Vs. UnitedHealthcare: Which Company is Best in 2021?

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Aetna Inc. is an American managed health care company headquartered in Hartford, Connecticut. Founded in 1853 by Eliphalet Adams Bulkeley, the company sells traditional and consumer-directed health care insurance. It also offers services like medical, dental, pharmaceutical, behavioral health, long-term care, and disability plans. Aetna has been providing financial support to CVS Health since November 28, 2018.

UnitedHealth Group Incorporated or UnitedHealthcare was founded in 1977 by Richard T. Burke. It is a for-profit managed health care company located in Minnetonka, Minnesota, the U.S.A. It is the largest health care company in the world that sells health care products and insurance services.

Aetna Health Insurance Vs. UnitedHealthcare

A brief comparison between Aetna health insurance and UnitedHealthcare is given below:

Access to provider networks

Both Aetna health insurance and UnitedHealthcare give you access to a wide range of provider networks. Aetna’s provider network comprises nearly 1.2 million health care professionals. Moreover, it has over 700,000 primary care doctors and specialists and 5,700 hospitals worldwide.

On the other hand, UnitedHealthcare’s network consists of 1.3 million doctors and other health care specialists. It has nearly 6,000 hospitals and other health care facilities.

Availability of plans

Aetna health insurance and Unitedhealthcare offer similar plans, such as Medicare Advantage, Medicare Supplement, and Part D Prescription Drug Plans. Aetna’s Medicare Advantage plans are limited to 45 states and Washington DC, and its Medicare Supplement plans to 49 states. Whereas UnitedHealthcare offers each plan throughout the United States. But Part D PDPs of Aetna are available countrywide.

Medicare Advantage Plans

Medicare Advantage Plans UnitedHealthcare Aetna Health Insurance
Health Maintenance Organisation (HMO) AARP MedicareComplete SecureHorizons FocusAARP,

MedicareComplete SecureHorizons Plan 1AARP,

MedicareComplete SecureHorizons Plan 2AARP,

MedicareComplete SecureHorizons PremierAARP,

MedicareComplete SecureHorizons Essential

Aetna Medicare Prime,

Plan Aetna Medicare Select Plan

Preferred Provider Organisation (PPO) Not offered in 90067 Aetna Medicare Choice Plan
Prescription Drug Plans (PDP) AARP MedicareRx,

WalgreensAARP MedicareRx,

PreferredAARP MedicareRx Saver Plus

Aetna Medicare Rx,

SaverAetna Medicare,

Rx Value PlusAetna Medicare Rx Select


Both Aetna and UnitedHealthcare offer similar Medicare Advantage plans that include HMO, PPO, HMO-POS, and SNP. UnitedHealthcare offers an additional PFFS plan, but it does not offer Medicare Advantage in Los Angeles.

Medicare Supplement Plans

Health Insurance Companies Medigap Plans
Aetna Health Insurance A, B, C, F, G, N, HD-F
UnitedHealthcare A, B, C, F, G, K, L, N


Aetna Health Insurance offers seven Medicare Supplement plans, namely Plan A, B, C, F, G, N, and High deductible F. On the contrary, UnitedHealthcare offers eight Medicare Supplement plans. These include Plan A, B, C, F, G, K, L, and N.

Industry Ranking

S&P Global gives financial ratings to health insurance companies. UnitedHealthcare got a financial rating of AA-, whereas Aetna scored BBB. These ratings suggest that both companies are not supposed to have any problems related to bills payment or other financial issues. However, an AAA- or BBB is not the highest-ranking according to Standard and Poors.

Company size

Both Aetna Health Insurance and UnitedHealthcare ranks at the top of the US insurance market. UnitedHealthcare occupies the first position with 25% of the entire Medicare Advantage market and 23% of the Part D market. Meanwhile, Aetna stands fourth with an 8% market share for both Medicare Advantage and Part D.

Both Aetna Health Insurance and UnitedHealthcare offers Medicare Advantage plans, Part D prescription drug plans, and Medicare Supplement plans nationwide. Although both the companies are similar in their size of provider networks, UnitedHealthcare offers more benefits. But in the end, it is the consumer, i.e., your decision to choose the right plan according to your budget and needs.

Frequently Asked Questions


  • Which is better, Aetna Dental PPO or DMO?

Aetna Dental PPO and DMO offer different benefits to their consumers. The DMO plans have lower out-of-pocket costs with fixed co-payments than the PPO plans. However, with PPO plans, you can access a large number of dentists and get high-quality treatment.

  • Is Aetna part of Obamacare?

As of August 16, 2016, Aeta Health Insurance had dropped Obamacare insurance in 69% of the counties. It also dropped the insurance in 11 of 15 states where it used to offer plans. According to the Securities and Exchange Commission filing, the cuts affected 20% of Aetna’s Obamacare participants, who come from 536 counties.

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