> This also involved going to a clinic daily, then waiting for my doctor to get the results and phone me up, just to change my warfarin dose. Have you consider

> This also involved going to a clinic daily, then waiting for my doctor to get the results and phone me up, just to change my warfarin dose. Have you considered getting a PT/INR monitor? They're not cheap, but even just going to a clinic that has one will mean that you get your result very quickly.