GMC Geisinger Medical Center is a comprehensive health system founded in 1915 that operates across central and northeastern Pennsylvania. The organisation serves 1.2 million people through nine hospital campuses, a health plan covering 550,000 members, clinical and community-based care programmes, a College of Health Sciences, and the Steele Institute for Health Innovation. Its workforce of 24,000 includes doctors, nurses, researchers, educators, and innovators.
The system operates across multiple domains: clinical hospital care, health insurance and payer operations, medical education, health research, community health services, and digital-first health initiatives. Its College of Health Sciences provides owned educational programmes, whilst the Steele Institute focuses on innovation and digital transformation. The organisation has adopted agile working practices, structured around what it describes as a "team of teams" approach with emphasis on radical collaboration.
The organisation's stated values centre on kindness, excellence, learning, innovation, and safety. It positions itself as committed to simplifying healthcare for the populations it serves, with explicit focus on patient safety, quality improvement, and population health approaches. The health system has grown from a single hospital vision into an integrated provider, payer, and education entity operating across a defined geographic region.