na196 Thomas Johnson Drive, Suite 235, Frederick, MD 21702naFrederick196 Thomas Johnson Drive, Suite 235Frederick, MD 21702Hours Of Operation: Monday:8:00 AM - 5:00 PM Tuesday:8:00 AM - 5:00 PM Wednesday:10:00 AM - 6:00 PM Thursday:8:00 AM - 5:00 PM Friday:9:00 AM - 5:00 PM Saturday:By Appointment Only Sunday:Closed Book Online301-732-7277