Leadership Team
Philip Greene, MD
Chief Executive Officer
Philip Greene, MD, is the chief executive officer (CEO) of Frye Regional Medical Center. Dr. Greene served as the chief medical officer (CMO) of Frye Regional prior to stepping into the role of CEO in November 2022. During his time as CMO, Dr. Greene oversaw quality management, physician development and medical staff guidance for the hospital and its affiliated physician network.
Dr. Greene has over two decades of clinical and administrative experience. He earned his medical degree from Northeastern Ohio University in Rootstown, Ohio. He also completed an internship and residency at the University of South Florida Morsani College of Medicine in Tampa, Florida.
Dr. Greene is dedicated to providing quality and compassionate care for patients in the community by supporting Frye Regional’s health care professionals. He has served as director of hospitalist medicine, director of critical care medicine, and director of hospice and palliative care at health systems in Ohio and North Carolina. Prior to joining Frye Regional as CMO, he served as chief of staff at Catawba Valley Medical Center in Hickory.
Timothy Kagle

Vice President of Operations
Tim Kagle is the vice president of operations at Frye Regional Medical Center. Since stepping into this role in March 2025, Kagle oversees the hospital’s operational strategies, drives efficiencies and continues to foster a high standard of patient and family-centered care.
Before joining Frye Regional, Kagle most recently served as vice president of surgical services and president, UPMC Rehabilitation network at UPMC in Pittsburgh, Pennsylvania. In that capacity, he successfully managed multiple departments, providing both administrative and clinical oversight. Kagle’s prior roles have focused on driving patient outcomes, increasing patient satisfaction, improving employee engagement, growing patient volumes and ensuring regulatory compliance and financial performance.
Kagle’s career has also included senior leadership positions, including chief executive officer (CEO) at Greenwood Regional Rehabilitation Hospital in Greenwood, South Carolina; administrative vice president at Saint Clair Hospital in Mt. Lebanon, Pennsylvania; and vice president of operations at Encompass Health (formerly HealthSouth) in Birmingham, Alabama. Earning his Master of Business Administration from Troy University in Troy, Alabama, Kagle also received a bachelor’s degree in business administration from the College of William and Mary in Williamsburg, Virginia.
Michael Cratty, MD, Ph.D., SFHM, FACP,
Chief Medical Officer
Michael Cratty, MD, Ph.D., SFHM, FACP, is the chief medical officer (CMO) at Frye Regional Medical Center. Since joining Frye Regional in September 2024, Dr. Cratty oversees quality management, physician development and medical staff guidance for the hospital and its affiliated physician network.
Dr. Cratty has 20 years of clinical experience and administrative experience, including eight years of experience as a CMO. Dr. Cratty's experience includes serving as a director of hospitalist services and hospital care management, medical director, associate director, and an assistant professor of medicine at Drexel University College of Medicine. Most recently, he served as CMO in the Heritage Valley Health System in Beaver, Pennsylvania.
Dr. Cratty completed his residency in Internal Medicine/Pediatrics at Pennsylvania State University College of Medicine in Hershey, Pennsylvania. He completed his doctorate degree at West Virginia University School of Medicine in Morgantown, West Viginia. Dr. Cratty is also board-certified in Pediatrics and Internal Medicine.
John Bostwick
Chief Financial Officer
John Bostwick is the chief financial officer (CFO) of Frye Regional Medical Center and has worked in healthcare since 2005. John stepped into this role in January 2024. His experience in hospital finance includes areas such as: general ledger, tax, payroll, accounts payable, fixed assets, inventory, revenue cycle, productivity, leases, case management, materials management, and internal audit. John’s rise to the position of Chief Financial Officer with Community Health Systems was accelerated after completing its executive leadership training program.
John holds his Bachelor of Science in Business Administration from the University of Tennessee at Martin in Martin, Tennessee. He then completed his accounting requirements from Middle Tennessee State University and holds a Master of Science in Business Administration from University of North Alabama in Florence, Alabama. He is a native of Tennessee.
Prior to getting into health care, he spent the first seven years of his career in Governmental Audit. John has extensive experience in multiple hospital systems in both Tennessee and North Carolina. Before joining the team at Frye Regional, John was most recently the CFO of Rutherford Regional Health System in Rutherfordton, North Carolina.
Bridget Denzik, DNP, MSN, RN, NEA-BC
Chief Nursing Officer
Bridget Denzik, DNP, MSN, RN, NEA-BC, is the chief nursing officer (CNO) of Frye Regional Medical Center, Dr. Denzik oversees nursing care within the hospital and at its affiliated facilities to ensure consistency in the organization's nursing practice standards.
Dr. Denzik received her doctorate in nursing practice from Walden University in Minneapolis, Minnesota. She also earned a master’s degree in nursing and nursing systems management from the Medical University of South Carolina in Charleston, South Carolina as well as an associate degree in nursing from Napa Valley College in Napa, California. Dr. Denzik has also been nationally recognized with ANCC Nurse Executive Advanced board certification.
Dr. Denzik has more than 30 years of clinical experience – including 16 years as a nurse executive. Most recently, she served as CNO at Aiken Regional Medical Centers, which includes a 273-bed acute care hospital, freestanding emergency department, and 62-bed behavioral health facility in Aiken County, South Carolina.