Paul A Chang MDWrite a Review419-529-4100Be the first to review!2981 W 4th St, Ontario, OH 44906Hi 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, Internal Medicine, Physicians & Surgeons, Pediatrics Suggest an Edit