About Us Working at an integrated healthcare system means you’ll have access to a tremendous network of support and a variety of exciting opportunities. From our innovative care delivery models to our unique range of services and medical specialties, you can feel confident knowing you’ll have the backing of a 100+ year-old community institution that’s nationally recognized for leading the future of health. And it’s something you can find only at Geisinger. Breadth of the organization Geisinger comprises nine hospital campuses, two research centers, the Geisinger Commonwealth School of Medicine and a 550,000-member health plan serving more than one million residents throughout Pennsylvania. We have nearly 24,000 employees, including more than 1,600 employed physicians, all of whom share a commitment to quality healthcare.