Physicians

Pulmonology is classified as an internal medicine subspecialty. All of our physicians are certified by the American Board of Internal Medicine (ABIM) in pulmonary medicine with special qualifications in critical care medicine. As pulmonologists, our physicians possess specialized knowledge and skill in the diagnosis and treatment of lung conditions and diseases. Some conditions that a pulmonologist will diagnose and treat include asthma, chronic cough, COPD (chronic obstructive pulmonary disease), lung cancer, and sarcoidosis.

Pulmonologists may serve as consultants to other physicians as well as provide long-term care to patients with chronic conditions.
Our medical staff includes the following physicians:


Robert Bloom, M.D.

Robert Bloom, M.D.

Dr. Bloom grew up in New Jersey and attended Tufts University and Tufts Medical School in Boston, Massachusetts. He subsequently did his internship and residency in internal medicine at George Washington University and a fellowship in pulmonary medicine at Georgetown University. He has been in practice in the Northern Virginia community since 1978. Current special interests within the field of pulmonary medicine involve education of dyspnea, interstitial lung disease, and treatment of resistant asthma. He has been recognized by The Washingtonian Magazine and Washington Consumers’ Checkbook as one of the regions “Top Doc’s”. Outside the office Dr. Bloom enjoys rooting for the Capitals as well as long-distance cycling.




Ellen C. Vaughey, M.D.

Ellen C. Vaughey, M.D.

Dr. Vaughey attended Georgetown University College and School of Medicine. She fulfilled her internship and residency at Thomas Jefferson University and completed her pulmonary and critical care medicine fellowship at Brown University. She has been in private practice since 1993. Dr. Vaughey’s special interest is in asthma and COPD. She has been recognized by U.S. News Magazine as a top 1% nationally ranked specialist in Pulmonary Disease and Critical Care Medicine. She is also listed by The Washingtonian Magazine as a “Top Doc” in the D.C. metro area.




Eric A. Libre, M.D.

Eric A. Libre, M.D.

Dr. Libre received his undergraduate degree in history at Dartmouth College and then attended Georgetown University School of Medicine. He completed his internship and residency in internal medicine at the University of Michigan. After working for a year as an instructor in internal medicine, he stayed on at the University of Michigan to do three years of pulmonary and critical care training. Dr. Libre has particular interest in interstitial lung disease and asthma. From 2006-2010 Dr. Libre was Chairman of Medical Critical Care at Fairfax Hospital and since 2010 has been Chairman of the Pulmonary Section at Inova Fairfax Hospital.  Dr. Libre has been recognized by The Washingtonian Magazine and Washington Consumers’ Checkbook as one of the regions “Top Doc’s”.  He is fluent in Swedish and Italian.




Matthew D. Williams, M.D.

Matthew D. Williams, M.D.

Dr. Williams attended the College of William and Mary. He received his medical degree from the Virginia Commonwealth University, Medical College of Virginia in Richmond. He completed his internship and residency in internal medicine and his fellowship in Pulmonary and Critical Care Medicine at the Virginia Commonwealth University. He received the Higgins Award for Best Third year Resident in June 2000, served as a chief medical resident in 2000 to 2001, and received the Orhan Muren, M.D. Award for Outstanding Subspecialty Fellow in June 2004. Dr. Williams’ areas of interest include adult cystic fibrosis, asthma, and interstitial lung disease. He has been named by The Washingtonian as one of “VA’s Top Docs” for three consecutive years. He has also been recognized as a top Pulmonologist in Washington Consumers’ Checkbook. Outside of the office he enjoys spending time with his wife and twin daughters.




Adlah Sukkar, M.D.

Adlah Sukkar, M.D.

Dr. Sukkar received her medical degree from Johns Hopkins University School of Medicine in Baltimore, Maryland. She completed her residency in Internal Medicine as well has her fellowship in Pulmonary and Critical Care Medicine at Johns Hopkins University Hospital. Dr. Sukkar speaks intermediate Arabic and French. She is an avid runner and hiker. Outside of the office she enjoys traveling and spending time with her husband and children.




Mark Granada, M.D.

Mark Granada, M.D.

Dr. Granada received his undergraduate degree from Boston College and attended medical school at the Boston University School of Medicine. He completed his internship and residency in 2007 at Georgetown University, where he also served as Chief Medical Resident. He returned to Boston for his fellowship in Pulmonary and Critical Care at the Boston University School of Medicine / Boston Medical Center where his research focused on the genetics of Lung Disease and allergy. He is currently the Director of the Pulmonary Embolism Response Team (PERT) at Inova Fairfax Hospital. He was also the first physician to be certified and perform bronchial thermoplasty at Inova Fairfax Hospital.




Rabih Halabi, M.D.

Rabih Halabi, M.D.

Dr. Halabi is certified in Pulmonary and Critical Care Medicine. He is a graduate of Wright State University School of Medicine and finished his residency andfellowship training at Virginia Commonwealth University. He moved to Northern Virginia after several years of practice in the Richmond area to be closer to his family.




Amit Vaid, M.D.

Amit Vaid, M.D.

Dr. Amit Vaid graduated from the University of Maryland at College Park, and obtained his medical degree from New York Medical College. He pursued a residency in internal medicine at the State University of New York at Stonybrook. He conducted his fellowships in Pulmonary, Critical Care and Sleep Medicine at the University of Texas Health Sciences Center in Houston. Dr. Vaid’s career has included faculty and teaching positions at Northwestern University in Chicago and Baylor College of Medicine in Houston. His professional interest includes Sleep Medicine, and he currently serves as the co-director of the INOVA Sleep Lab in Woodburn. In his spare time, Dr. Vaid enjoys music and sports.




Shubha Srinivas, M.D.

Shubha V. Srinivas, M.D.

Dr. Shubha Srinivas is a graduate of the University of Virginia, Columbia University Mailman School of Public Health, and the University of Connecticut School of Medicine. She completed her internship at the University of Connecticut and her residency in Internal Medicine at Georgetown University Hospital, where she also served as Chief Medical Resident. Dr. Srinivas remained at Georgetown for her fellowship training in Pulmonary and Critical Care Medicine. Her areas of interest include interstitial lung disease, pleural diseases and critical illness/ARDS survivorship. She is an active member of the American Thoracic Society. Outside of the office, she enjoys running, traveling, and spending time with her family.


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