Brambleton Location Located on the 3rd floor above the Loudoun County Public Library at Brambleton Plaza. Laboratory Laboratory Services available in-house and send-out labs. Location Located on the 3rd floor above the Loudoun County Public Library at Brambleton Plaza. Fairfax Pediatric Associates Brambleton Office 22850 Brambleton Plaza Suite #300 Brambleton, VA 20148 (703) 391-0900 (703) 391-2919 fax We are located above the Loudoun County Public Library at Brambleton Plaza. OFFICE HOURSMon – Fri: 8:20am – 5:00pmSat: ClosedSun: ClosedWe are closed from 1:00pm – 2:00pm Facebook Twitter Instagram Youtube Facebook Twitter Instagram Youtube