about IASIS

IASIS Leadership


President and Chief Executive Officer

As president and chief executive officer, Carl Whitmer provides the strategic vision, leadership and oversight that enables IASIS Healthcare to fulfill its mission of providing high quality care to the communities it serves.

When Whitmer assumed the company’s top leadership position in 2010, he brought with him more than 20 years of management experience, including nearly 20 years in healthcare leadership and executive roles.  In 2000, shortly after IASIS was founded, Whitmer joined the company as vice president and treasurer, and soon thereafter assumed the role of chief financial officer. During his tenure as CFO, IASIS experienced substantial growth in its acute care operations and significantly expanded its managed care operations including Health Choice, the company’s Medicaid and Medicare managed health plan in Arizona. Today, IASIS Healthcare is a leading healthcare services company with annual net revenue of approximately $2.8 billion and consisting of 18 general acute care hospitals, one behavioral health hospital, several ancillary services, outpatient facilities, high quality provider networks and a Medicaid and Medicare managed health plan.

Prior to IASIS, Whitmer held the chief financial officer, vice president of finance and treasurer positions at PhyCor, Inc., a physician practice and IPA management company, and the senior manager role at KPMG LLP, an audit, tax and advisory services firm.  In addition to serving on the IASIS Healthcare Board of Directors, Whitmer also serves on the Board of Directors of Fenwal, Inc.

Chief Operating Officer

Phil Mazzuca is responsible for overseeing all aspects of the company’s hospital operations and leads IASIS in its commitments to clinical excellence, developing an appropriate mix of quality services, physician relationships, effective staffing and supply utilization, payor contracts, and the management of capital investments related to operations. Mazzuca has more than 30 years of hospital and healthcare leadership experience, having previously served as president and chief executive officer of Brim Holdings, executive vice president and chief operating officer of MedCath Corporation, and president of the Texas and Florida markets for IASIS Healthcare.

Chief Financial Officer

John Doyle is responsible for all of the company’s financial matters and relationships, including capital planning and management, investor and banking relations, treasury management, and external financial reporting. Since joining IASIS, Doyle has also served as vice president and treasurer and chief accounting officer. Prior to joining IASIS, he was a senior manager with Ernst & Young LLP and KPMG LLP, where he specialized in healthcare audit and business advisory services, including mergers and acquisitions. Doyle has also served as chief financial officer for two community hospitals in Tennessee and North Carolina.

Secretary and General Counsel

Frank Coyle is responsible for all company legal matters, including mergers and acquisitions, corporate securities, litigation and risk management, and labor, employment and health regulatory matters. Prior to joining IASIS, Coyle served as assistant vice president of development of physician services and in-house development counsel for Columbia/HCA, and before that Coyle was an attorney with Baker, Worthington, Crossley, Stansberry & Woolf (now Baker Donelson).

Senior Vice President, Business Development
Jay Hoffman is responsible for the company’s development strategy in new and existing markets.  With nearly 30 years of healthcare management and investment experience, Hoffman has been involved with approximately 70 acute care hospital and healthcare business transactions in both domestic and international markets. Prior to joining IASIS, Hoffman held executive development roles with Signature Hospital Corporation and Hospital Corporation of America and was general partner at three healthcare-focused venture capital funds.