To contact this location call: 202-741-2650 Welcome to The GW Medical Faculty Associates (GW MFA) Primary Care practice at M Street. We are located at 2300 M Street NW 9th floor, at the corner of M Streets and 23rd Streets, between 23rd and 24th Streets. The entrance is on M Street. Our office number is 202-677-6990. Our fax number is 202-677-6995. Being affiliated with the GW School of Medicine & Health Sciences and the GW Hospital, the GW MFA uses evidence-based care to train our staff. We ensure that we are using a team-based, patient-centered approach to coordinate care for you and your loved ones. With over 50 different specialties located all through the DC, Maryland, and Virginia area, we work with you to provide a smooth tr...