Your plan determines the provider you see, according to TRICARE. The three sites that help you locate a provider are Heath Net Federal Services, Humana Military and United Healthcare. The site you land on depends on whether you click the North, South or West region link.
You have the option to search for a network provider, a non-network provider, an overseas provider, or military hospitals and clinics. The North region link directs you to Health Net Federal Services for both network and non-network providers. On the site, you provide details such as ZIP Code and address and the type and specialty of the provider you want.
If you are in the South region, the link you click directs you to Humana Military. On this site, you click on a button that directs you to a new page, where you enter your ZIP Code and address and select the circle for either a medical specialist or a behavioral specialist.
If you are in the West region, the link on TRICARE directs you to United Healthcare, where you can search for both network and non-network providers. You can find hospitals and multi-service markets by clicking on the links under the respective names on the TRICARE website. You can find overseas providers by clicking on the links under overseas providers.