John Duffy, MDWrite a Review315-261-5550Be the first to review!49 Lawrence Ave, Potsdam, NY 13676Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?CategoriesPhysicians & Surgeons, Physicians & Surgeons, Family Medicine & General Practice, Physicians & Surgeons, Surgery-General Suggest an Edit