na77 Thomas Johnson Drive, Suite K, Frederick, MD 21702naFrederick77 Thomas Johnson Drive, Suite KFrederick, MD 21702Hours Of Operation:Monday: 8:30 AM - 5:00 PMTuesday: 8:30 AM - 5:00 PMWednesday: 8:30 AM - 5:00 PMThursday: 8:30 AM - 5:00 PMFriday: 8:30 AM - 4:00 PMSaturday: ClosedSunday: ClosedRequest Appointment301-381-4306