


Peter J. Spiers, Ph.D.
MediSphere Development, Inc.
President and Chief Executive Officer
A Visionary in Hospital and Specialty Services Management
With over 35 years of executive leadership in hospital administration, healthcare systems, and medical group formation and hands-on operations, Dr. Peter J. Spiers has forged a distinguished path as one of the most respected figures in the U.S. healthcare landscape. His career spans a range of senior roles, including chief executive positions overseeing multiple hospitals and medical groups—both single and multispecialty practices—with a particular focus on nationally acclaimed cardiothoracic surgery and cardiology programs.
Beyond leadership, Dr. Spiers played a pivotal role in transforming the healthcare industry through strategic innovation. As a founding partner of a for-profit hospital management and acquisition firm, he specialized in executing complex hospital turnarounds, acquisitions, and divestitures. His strategic insight and operational acumen have earned him national recognition, especially in specialty services development and management—a field in which he continues to be a sought-after advisor to hospitals, physicians, and healthcare companies.
His affiliations reflect the depth of his credentials and network: Dr. Spiers holds credentialed membership in elite organizations such as the American College of Healthcare Executives (ACHE), American Academy of Medical Administrators (AAMA), American College of Medical Practice Executives (ACMPE), American College of Cardiovascular Administrators (ACCA), Medical Group Management Association (MGMA), and previously served on the CEO Roundtable of the American Medical Group Association (AMGA). These affiliations highlight his connections with influential healthcare systems and executives nationwide.
From hands-on management to thought leadership, Dr. Spiers’ career reflects a rare combination of strategic foresight, new service development, operational excellence, and an enduring commitment to advancing healthcare delivery nationwide.