Defense Health Agency, Great Lakes

The Defense Health Agency–Great Lakes (formerly known as the Military Medical Support Office) (DHA-GL) assists with the coordination of medical care in the United States and District of Columbia for:

• Active duty service members enrolled in TRICARE Prime or TRICARE Prime Remote that qualify under the DoD/VA Memorandum of Agreement (MOA) for a  Spinal Cord Injury (SCI), Traumatic Brain Injury (TBI) or Blindness
• Active duty service members enrolled in TRICARE Prime Remote
• Non-enrolled active duty service members not managed by a military hospital or clinic 
• Reserve Component service members in remote areas with Service-approved line of duty (LOD) injuries, illnesses or diseases
• To find out if you are within 50 miles of an MTF go to: www.tricare.mil/MTF (Enter home zip code and change mileage to 75 miles)
• If you are within 50 miles of an MTF and need assistance go to: www.tricare.mil/bcacdcao (Enter name of nearest military base)

What We Do

The DHA-GL:

• Coordinates civilian health care services for remotely-located active duty service members
• Provides pre-authorization for civilian line of duty (LOD) medical care
• Collaborates with unit representatives regarding LOD care for remotely-located service members
• Provides authorization (pre-, concurrent and retro-) for VA medical care for active duty service members accepted under the DoD/VA MOA for diagnosis for SCI, TBI or blindness
• Authorizes the payment of civilian medical claims