I contacted this doctor for my 10 y/o daughter. From the very first time I walked into his office, I was hooked. He's a great doctor. The office listed here (and the one we go to) is in Chantilly, which is not his primary office. The office itself isn't really much, but Dr. Altahir really is a great doctor. I've been to quite a few different doctors through the years for her situation and he's by far, the best. He makes everything pretty easy on the patients. He's sure to answer any and all questions the could come up and is very thorough. He made my daughter feel comfortable enough to talk to him and she looks forward to talking to him.