I have been a patient of Dr Leffs for many years and he is the best Washington DC has to offer

Treats his employees like dogs, and that is in front of you, so I can only imagine how he is when patients aren't around. Snippy and attitude(y) to you. Stay away, he is arrogant and demeaning....

I went to Dr. Leff for my first root canal a few weeks ago. Before I even met him the staff at the front desk were complaining about how rude he is. They didn't seem to mind that there were...

I took off one day of leave to go to my appt. and found out that the office was closed. I was not notified by any human, but by a piece of note to the post man. On the day of my appt., I saw the...

Dr Leff appears to be distracted and irritated while treating me . I don't think that he wanted to be working . He was short with his staff and at one point he swore under his breath. My...