About
Dr. David D. Leonard, MD, FAAFP earned his undergraduate degree from the University of Virginia in 1982. He then completed his MD at the Medical College of Virginia, Virginia Commonwealth University School of Medicine in 1986. He trained in family medicine at the Medical University of South Carolina from 1986 to 1989, where he served as Co-chief Resident and won the Resident Teacher of the Year Award.
Dr. Leonard holds board certification in Family Medicine, first certified in 1989 and most recently recertified in 2013. He also carries Added Qualifications in Geriatric Medicine, certified in 1994 and recertified through 2013. The American Academy of Family Physicians recognizes him as a Fellow. Fellow physicians repeatedly selected him as one of the Best Doctors in America from 1996 through 2016. Washington Checkbook Magazine named him a Top Primary Care Doctor in 2005, when 54 patients gave him a perfect 100 percent quality rating - the highest of any primary care doctor in the Washington, DC area. He is passionate about gut microbiome health, nutritional science, travel health preparation, and the value of annual preventive exams.
Education & Training
Undergraduate
University of Virginia, BA 1982
Medical School
Medical College of Virginia, Virginia Commonwealth University School of Medicine, M.D. 1986
Residency
Internship and Residency, Medical University of South Carolina, 1986-1989; Co-chief Resident 1989
Additional Training
Private Practice in Fairfax, Virginia 1989-present
Certifications
Conditions Treated
Who is Dr. Leonard right for?
Dr. Leonard is a strong fit for adults seeking a physician who addresses the whole patient, not just a single diagnosis. Patients managing chronic conditions such as hypertension, diabetes, high cholesterol, or asthma benefit from his preventive and longitudinal approach. Older adults and geriatric patients get particular depth of care through his Added Qualifications in Geriatric Medicine. Patients who value direct physician access and long-term relationships thrive under his model.
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Frequently Asked Questions
Dr. Leonard treats a wide range of conditions including hypertension, diabetes, high cholesterol, obesity, asthma, osteoarthritis, headaches, and back pain. He also manages anxiety, depression, insomnia, ADHD, and acne. His preventive focus means he addresses these conditions alongside health risk assessments and cancer screenings.
Yes. Dr. Leonard holds board certification in Family Medicine, certified in 1989 and recertified in 1996, 2003, and 2013. He also holds Added Qualifications in Geriatric Medicine, certified in 1994 and recertified in 2003 and 2013. The American Academy of Family Physicians recognizes him as a Fellow.
Dr. Leonard completed his undergraduate degree at the University of Virginia and his MD at the Medical College of Virginia, Virginia Commonwealth University School of Medicine. He completed his internship and residency in family medicine at the Medical University of South Carolina, where he served as Co-chief Resident and earned the Resident Teacher of the Year Award in 1989.
Dr. Leonard has earned extensive peer recognition. Fellow physicians voted him one of the Best Doctors in America from 1996 through 2016. Washington Checkbook Magazine named him a Top Primary Care Doctor in 2005 and 2016. Washingtonian Magazine recognized him as a Top Doctor in 2002, 2005, 2008, and 2015. Northern Virginia Magazine named him a Top Family Doctor in 2009 and 2016. Peers selected him for SuperDoctors in 2011, 2012, and 2013.
Yes. Dr. Leonard holds Added Qualifications in Geriatric Medicine from the American Board of Family Medicine, certified in 1994 and recertified through 2013. He has cared for patients well into advanced age throughout his career in Fairfax.
Dr. Leonard takes a holistic view of each patient's health. He focuses on treating the whole person rather than individual conditions in isolation. He is passionate about annual physical exams, nutritional science literacy, and gut microbiome health as foundations for long-term wellness.
Yes. Dr. Leonard actively advocates for his patients within the healthcare system. He coordinates referrals and specialist appointments on behalf of his patients, helping them navigate the broader care network efficiently.
Dr. Leonard opened his private practice in Fairfax, Virginia in 1989 and has practiced there ever since. He has built long-term relationships with patients and families throughout Northern Virginia over more than three decades.
Doctor profile last updated June 11, 2026