"I want to take this time to thank you so much for your professionalism and care. You made the whole experience so much easier for which I am truly grateful. I am making super progress at home and it is all down to your expertise."
"I would like to take the opportunity to thank you for the excellent care which you provided to me."
"I am writing to thank you for your extreme consideration and professionalism during my recent appointments with you. It’s such a relief to know that things are as they should be after weeks of anxiety."