The Military Health System is comprised of providers at military hospitals and clinicsgoes to TRICARE augmented by civilian TRICARE-authorized providers. As the health care delivery arm of the MHS, the Defense Health Agency is crucial to supporting the Department of Defense’s integrated system of readiness and health. DHA manages a global health care network of military and civilian medical professionals and military hospitals and clinics around the world.

What's New?

TRICARE Contract Transition

The TRICARE contracts are changing in 2025. TriWest Healthcare Alliance will replace Health Net as the regional contractor, and six states are moving from the East Region to the West Region. If you’re a current West Region provider, or practice in one of the six East Region states moving to the West Region, find out how to join the TriWest provider network. Visit the TRICARE Contract Transition page for more information.

Anomalous Health Incidents

Our understanding of the causes and prognosis of AHI is evolving. There's a clear need for a systematic approach to evaluating reported cases. DHA has developed an AHI-specific tool called Anomalous Health Incident Acute Assessment (DHA Form 244). >>Learn More

Transgender Education References and Training Resources

Get education references and training resources for transgender patients that are built on evidence-based practice guidelines and standards of care. >>Learn More

Education & Training

The Military Health System includes a robust, innovative, enterprise-wide system to maximize education and training opportunities so we ensure a Ready Medical Force and a Medically Ready Force. 

Our Training Opportunities

• Continuing Education Program Office
• Defense Medical Modeling and Simulation Office
• Defense Medical Readiness Training Institute 
• DHA Learning Management System
• Leadership, Education, Analysis, Development, Sustainment
• Medical Education and Training Campus