The most recent appropriations for the Department of War expired at 11:59 p.m. EST on September 30, 2025. Military personnel will continue in a normal duty status without pay until such time as a continuing resolution or appropriations are passed by Congress and signed into law. Civilian personnel not engaged in excepted activities will be placed in a non-work, non-pay status.
If you have a scheduled appointment or other business at the MTF, please verify with your provider or applicable office within the MTF to ensure there are no changes in schedule. To learn how the lapse in appropriations affects your TRICARE benefit, visit tricare.mil/shutdown.

About Us

Image of Osan Air Base

About Us

Location: 51st Medical Group, 777 Songtan Boulevard, Unit 2060, Osan Air Base, APO AP 96278-2060, South Korea

*Monday through Friday, 7 a.m. to 5 p.m. Closed the third Thursday of every month in support of readiness training day. Hours may vary by clinic. Please refer to your specific clinic for hours of operation.

Telephone: 0505-784-3627 or DSN 315-784-3627

The 51st Medical Group's mission is to maintain and ensure medical readiness for contingencies by providing high-quality, Trusted Care for approximately 8,000 enrollees and 20,000 beneficiaries. Osan’s Mustang Medics prepare daily for any contingencies if and when they occur, with the foremost priority being “ready to fight tonight.” Additionally, the 51st Medical Group provides oversight of medical materiel and independent duty medical technicians at four collocated operating bases spanning the Korean peninsula.

Don’t forget to keep your family’s information up to date in DEERS!