Went to this clinic again this Saturday morning and the doc was seemingly quite a bit better than the first time, however it was unfortunately too late to take care of the cat.
After spending over $100 with taxes last night at an emergency clinic to come out with nothing but an estimate of $1000 to $2000 + tax to leave him overnight, m'lady and I brought her cat to this clinic first thing in the morning. He was able to tell right away that a tumor broke off and blocked the functions of the kidney or liver (can't remember which of the two they mentioned).
The reason that I'm removing a star from this review is because the last time we went to the clinic, the doc (that time it was the same one as the first time) was unable to tell what was going on with the cat, and just gave him some more shots which only helped him a bit temporarily, following which they didn't answer their phones a few days later.
Nevertheless, the experience we had today was really good, as this was the 4th doc we saw, and he was able to pin-point the issue and give us options right away (operating & drugging him, or putting him down, to which we unfortunately decided that it was best to do the latter).