We've used the College Street Animal Hospital for everything from vaccinations to neutering to check ups to grooming and even some sadder times in our cat-owning lifetime. Dr Saram and his staff are all really great at what they do with helping people and their pets, through the good and bad times.
Also, their resident cat Goldmund is pretty cool and is usually chillin' up front while you check in. Last thing worth mentioning is that their hours are decent too, open til around 7pm each week night and for most of the day on Saturday.
I'd fully recommend the College Street Animal Hospital to any pet owner in the area.