3551 Roger Brooke DriveBldg 3600Fort Sam Houston, TX 78234-6200. Get Directions. Brooke Army Medical Center website. 1-210-916-4141. 24 hours, 7 days a week including holidays. Brooke Army Medical Center. Goes to the MTF website. at Fort Sam Houston, Texas, is proud to provide safe, quality care to our military service members, their families, ....