Make sure your provider is in-network. Most health plans contract with a specific list of doctors and hospitals. You will pay much less to see one of those providers, called “in-network” for insurance purposes. You can find out if a provider is in-network by contacting your health plan or calling your doctor’s office.
https://specialistmedicals1.blogspot.com/2021/08/way-to-choose-right-medical-specialist.html