Robert Kalfus, MD  
            Helene A. Emsellem, MD, FAASM
            Medical Director

            John R. Ruddy, MD
            Linda C. Croom, ANPC
            Annemarie Zabbara, PA-C
            Tina Sullivan, ACNP-BC






  Robert Kalfus, MD received his bachelor’s degree from the University of Pennsylvania and went on to complete a combined MD/MBA program at Robert Wood Johnson Medical School and Rutgers University. During residency in Internal Medicine at Georgetown in Washington, DC, Dr. Kalfus was first exposed to the field of Sleep Medicine. He enjoyed seeing patients experience an improved quality of life with treatment of their sleep disorders. With the desire to work in a field with the potential for quick patient improvement, Dr. Kalfus returned to Philadelphia to pursue a fellowship in Sleep Medicine at Hahnemann University Hospital/Drexel University College of Medicine.  He is excited to be a part of The Center for Sleep & Wake Disorders team.  In his free time, you can find him bowling, playing golf, watching football, and spending time with his wife and two young children at the local park.




5454 Wisconsin Ave.,
Suite 1725
Chevy Chase, MD 20815

Phone: 301-654-1575
Fax: 301-654-5658