Congratulations to Dr. Leon Kao for making the 2018 Washingtonian Top Doctors list!

It is our pleasure to announce that Dr. Kao has been recognized by his peers as one of Washingtonian’s Top Doctor in Allergy and Immunology for 2018!

We have officially moved!!!

Our new address is 19851 Observation Drive, Suite 375, Germantown, MD 20876.

Free parking is available in the parking garage next to the medical office building.

Please call our office (301-972-3709) if you have any questions. See you there soon!


We are excited to announce that we will be moving to a new location on October 31, 2017. Our brand new office will be located in the medical building next to Holy Cross Germantown Hospital on Observation Drive.

The new address will be:

19851 Observation Drive, Suite 375
Germantown, MD 20876

Click here to view location of new office

Our number and hours will remain the same. Please don’t hesitate to contact our staff if you have any questions or concerns.

We look forward to seeing you there!

We Are Members of Privia Medical Group

As of January 24, 2017, we are proud members of Privia Medical Group!