What is the difference between in-network and out-of-network providers?

Answer
The correct answer is that in-network providers have signed contracts with insurance companies. In-network providers have agreements with the insurance plan to accept negotiated, lower rates for their services, which generally makes them more cost-effective for the patient. Out-of-network providers do not have these contracted agreements with the insurance company, meaning they can bill higher rates and may not be covered by the plan, or may require higher out-of-pocket costs.