If you are registered, you have pm. Look in the User CP on the green bar, up at the top. It's the first item.
Anyway, Dr. Rafiq is at the professional building in the Memorial Hermann Hospital Southeast complex, right around the corner from San Jacinto College South Campus. It's still not too close to Houston but It is a straight shot south from downtown, on the Gulf Freeway.
He is not proactively LC but he won't scold you or tell you to eat more grains if you tell him you eat keto, or LC or other buzzwords that he will know is w/o sugar and starches. I also don't think he freaks out over high total cholesterol when your HDL and TGs are right.
What part of town are you in?