John M. Clark, DOWrite a Review484-476-1000Be the first to review!El, Wynnewood, PA 19096Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoOther Linkhttps://www.mainlinehealth.org/find-a-doctor/john-m-clarkCategoriesPhysicians & Surgeons, Cardiology, Physicians & Surgeons