Contact Us

Georgetown University Hosptial

Bruce A. Luxon, MD, PhD, Chairman
Georgetown University Medical Center
Pasquerilla Healthcare Center, 5th floor
3800 Reservoir Road, NW, Washington, D.C. 20007

Education Staff

Sean Whelton, MD
Residency Program Director

Cathy Okuliar, MD
Clerkship Program Director

Erik Ross, MHA
Residency Program Administrator
(202) 444-8492

Residency Verifications:
Please contact the MedStar Health GME office:

Mary Jennings Butler, BBA 
Fellowship Program Administrator (Heme/Onc & Rheumatology)
(202) 444-7036

Lisa Townsend
Fellowship Program Administrator (Endocrinology, Nephrology, Infectious Diseases & Transplant Hepatology)
(202) 444-4034

Sami Sfeir
Clerkship Program Administrator
(202) 444-2919

Administrative Staff

Lucia Poster, MPA, FACHE
Senior Administrator
(202) 444-4701

Christopher Betts
Accounts Analyst II
(202) 444-6254

Brianna Byrne
Executive Assistant to the Chair
(202) 444-7520

Contact the Divisions

You may contact divisions within the Department of Medicine directly.


We are located at 3800 Reservoir Road NW, right next to Georgetown University in Washington, D.C., easily accessible by car or public transportation.