Brooks City Base About » Locations and Maps » Brooks City Base GENERAL INFORMATION MAP Mission Trail Medical Plaza3327 Research Plaza, #404San Antonio, TX 78235 Request an appointment: Call 210-281-9595 Schedule Online: Book Now Hours of Operation Main Clinic – Monday through Friday: 8am – 5pm Hand Therapy – Tuesday, Thursday, Friday: 7am – 4pm Physical Therapy – Monday through Thursday: 7am – 6pm; Friday: 7am – 4pm