Sure they will have an accent. Why are you going to a Paki dentist? You pay the bills - go to one you can understand.
Jamaicans I met speak the Queens english.
Philipinos have an accent, too, but you can understand them.
The Indians I have been exposed to, I could clearly understand.
He just happens to be part of the dental group and was working emergencies. She had a scheduled appt. for 2 days later, but the tooth abcessed on her.