About Dennis S. O'Leary, DDS
Dr. O’Leary is a native Washingtonian. He grew up in Bethesda, Maryland, graduated from Walt Whitman High School and George Washington University. He received his DDS degree from Marquette University School of Dentistry in 1992. Dr. O’Leary opened his practice in its current location in February 1997. He is honored to have earned the trust and friendship of many families in the Palisades neighborhood and the surrounding areas over the past 20 years. He is an active member of the DC Dental Society, the Academy of General Dentistry, the American Dental Association, and many local professional development study clubs. He is a dedicated member of the Metro DC Chapter Board of the Cystic Fibrosis Foundation. When he is not treating patients, Dr. O’Leary enjoys spending time with his wife and two sons.
