Aetna

Aetna’s total network includes more than one million health care professionals and 5,300 hospitals nationwide.

Illinois residents who buy an Aetna exchange plan may not have access to the entire network of doctors and hospitals. Aetna offers PPO exchange plans in Catastrophic through Gold tiers.

BlueCross BlueShield of Illinois

BlueCross BlueShield of Illinois is the largest and most popular health insurance company in the state. They boast the largest PPO provider network of over 23,000 physicians.

Cigna

Cigna is one of four insurance companies offered through the hc.gov marketplace in Illinois. Cigna’s Connect 4000 was typically most affordable in the seven counties where it is offered (Cook, Dupage, Gundy, Kane, Kankakee, Will, and Lake).

Humana

Humana is one of the largest U.S. health insurance companies with over 11.5 million members. Humana Insurance and its subsidiary, Humana Health Plan Inc., are only available to residents living in Cook, Lake and McHenry counties, according to Chicago Business.

The two companies are the only insurers in the state to offer Platinum exchange plans. Humana Insurance offers PPO exchange plans and Humana Health Plan offers HMO exchange plans in every tier.

BlueCross BlueShield of Illinois

BlueCross BlueShield of Illinois is the largest and most popular medicare supplement health insurance company in the state. They boast the largest PPO provider network of over 23,000 physicians.