Dr. John T. O' Brien graduated from the Georgetown University School of Medicine in 1977. He works in Annandale, VA and specializes in Cardiovascular Disease. Dr. O' Brien is affiliated with Inova Fairfax Medical Campus and Inova Fair Oaks Hospital. He speaks English and Spanish.
Years in Practice: 38 Years
Languages Spoken: English, Spanish
Medical School: Georgetown University School of Medicine
Graduation Date: 1977
Specialties: Cardiovascular Disease