Home Contact Contact Contact Us! Thank you for choosing M.R. Khalifeh, MD. Please call our office or use the contact form below. Or you can schedule yourself online by visiting our scheduling page Enter the characters below: Office location: Chevy Chase 5454 Wisconsin Avenue suite 1710 Chevy Chase, Maryland 20815 Click here for map Tyson's Corner (McLean, VA) 7601 Lewinsville Rd, #300 McLean, VA 22102 Click here for map Gainesville (With Katie Williar, P.A) 7500 Iron Bar Lane, #100, Gainesville, VA 20155 Click here for map Phone: (703) 543-9252 (301) 244-0148 Fax: (866) 206-6747 Thank you for choosing our practice. We will contact you and send you informational materials.