MGMCSC closure for Martin Luther King Jr. holiday Published Jan. 13, 2014 By Kathy Canfield 779th Medical Group Marketing Office JOINT BASE ANDREWS, Md. -- Malcolm Grow Medical Clinics and Surgery Center will be closed Jan. 20 in observance of the Martin Luther King Jr. federal holiday. There will be no appointments on this day and the pharmacy will be closed. Prescription refills called in BEFORE noon Jan. 17 will be available for pickup after noon Jan. 21. The Emergent Care Center at Joint Base Andrews will remain open. If an urgent need arises, patients are welcome to use the Emergent Care Center. If the condition is not urgent and can wait for treatment, the medical group will reopen for full services Jan. 21.