The agreement comes days before Sutter Health providers would have gone out-of-network for Aetna commercial members.

PPO plans often cover both in- and out-of-network services, though the client may pay more for out-of-network services. What is a Superbill? A superbill is a receipt for therapy services.

Aetna has the highest premiums of the companies we reviewed, though it also has lower-than-average deductibles. Learn more about Aetna health insurance.

Considering an Aetna Medicare Advantage plan? Learn the options, coverage, costs, and eligibility requirements for these Aetna plans.

Aetna PPO plans Aetna’s Preferred Provider Organization (PPO) plans let you use any doctor, in and out of network, provided that they accept Medicare and Aetna’s plan terms.

Aetna was founded in 1853 in Hartford, Connecticut. The company paid its first Medicare claim in 1966 and began offering HMO and PPO plans in the 1970s and 1980s.

If Aetna and Sutter Health fail to reach a contract covering a group of commercial patients, hundreds could be forced to switch doctors.

Aetna health plans include basic dental coverage, with options for comprehensive insurance, as well as standard Medicare coverage.

Aetna said in a statement that commercial HMO members will be assigned to a new doctor on July 1, but commercial PPO members are allowed a six-month transition period.

Leaders of Aetna and the North Carolina treasurer, who oversees the State Health Plan, say the transition to a new TPA has been smooth.

Aetna is a good choice for cheap Medicare Advantage plans. The plans have good coverage and perks. But Aetna's customer satisfaction is just average.