As of 2015, TRICARE is the insurance provider for active duty service members and National Guard and Reserve members, explains TRICARE. The Defense Health Agency oversees the TRICARE system and contracts with other providers to help deliver benefits, according to the Military Health System and the Defense Health Agency.Continue Reading
As of 2015, the agencies with which DHA contracts for TRICARE purposes do not include GEHA, according to TRICARE.
GEHA is a self-insured and not-for-profit association founded in 1937, according to GEHA. As of 2015, GEHA is the second-largest national health plan and the second-largest national dental plan serving federal employees, federal retirees and their families. GEHA stands for Government Employees Health Association, and it was among the first insurance providers eligible to provide coverage to federal employees under the Federal Employees Health Benefits Act of 1959.Learn more about Health Insurance