At MedStar Health, Mr. MacLean oversees informatics, applications, infrastructure, cybersecurity, clinical engineering and unified communications across the $9 billion provider and insurance network affiliated with Georgetown University. As senior vice president and CIO, he leads an 850-person team, including outsourced partners, and is accountable for $300 million in operating and capital budgets while supporting more than 300 care locations, over 4,000 physicians and nearly 10,000 nurses. His teams are implementing Epic while continuing to operate Oracle Health EHR and revenue cycle platforms, stewarding analytic databases that enable proactive clinical and business decision-making. He has negotiated major infrastructure outsourcing agreements to stabilize platforms and prepare the organization for advanced analytics, AI and digital interventions, partnering with innovation and digital transformation leaders to improve care and patient experience. With nearly three decades in health IT leadership, he previously spent 21 years at Boston-based Mass General Brigham, where he helped develop specialized oncology systems, integrated quality and safety tools across care settings, and strengthened infrastructure to support a unified EHR strategy, including technology planning for a greenfield hospital in Bangkok. Mr. MacLean has chaired national boards including College of Healthcare Information Management Executives and Healthcare Information and Management Systems Society, led CRISP Shared Services, and has testified before the U.S. House Energy and Commerce Health Subcommittee on cybersecurity. He continues to share expertise through national forums and serves on the board of the Alliance for Smart Healthcare Excellence while helping advance MedStar’s “Level 9 CHIME Digital Health Most Wired” achievement in both acute and ambulatory care.
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Becker's Recognition
Scott MacLeanhas been named a Becker's honoree on the lists below.
2023 Winner

2024 Winner

Executives
CIOs of Hospitals and Health Systems to Know
Chief information officers utilize new and innovative technologies to optimize, streamline and improve healthcare delivery. The featured IT executives are leading strategic initiatives that benefit patients and providers. In collaboration with their talented teams, they are modernizing their hospitals and health systems by implementing new EHR systems, cybersecurity softwares and telehealth services.
CIO & IT Executive
2025 Winner

