#United States #Select Medical #Leadership Change #Mechanicsburg, PA #Thomas P. Mullin

Select Medical Appoints Thomas P. Mullin as New CEO

On September 2, 2025, Select Medical Holdings Corporation, one of the largest operators of critical illness recovery hospitals and rehabilitation centers in the United States, announced a significant leadership transition. The company welcomed Thomas P. Mullin as its new Chief Executive Officer (CEO), succeeding David S. Chernow, who has served in this role since 2014 and will now take on the position of vice chairman of the board.

Leadership Changes Highlight Experience

In addition to the CEO change, Select Medical announced several key executive promotions:

• - John A. Saich has been appointed the company’s sole president, having previously shared the co-president role.
• - John F. Duggan takes on the role of executive vice president, general counsel, and secretary, transitioning from his previous position as deputy general counsel.

These appointments underscore the company's commitment to promoting long-serving employees who have extensive organizational knowledge. Mullin, a veteran of Select Medical since 2008, has occupied various leadership roles within the company, most recently as co-president, overseeing a substantial network of critical illness recovery and inpatient rehabilitation hospitals.

Mullin: A Proven Leader

With nearly two decades of service at Select Medical, Mullin’s elevation to the CEO role reflects his deep understanding of the company’s operations and growth strategies. His prior positions included executive vice president and president of specialty hospitals, showcasing his capacity for leadership across multiple critical areas of the business. He has played an instrumental role in expanding the company’s footprint nationwide, enhancing its services and placing a strong focus on patient care.

Chernow's Legacy

As he steps into the vice chairman role, David Chernow brings a wealth of experience to his new position. His leadership was pivotal in guiding Select Medical through numerous industry changes and challenges over the years. Chernow’s commitment to excellence has paved the way for the company's robust growth and operational efficiency.

Saich and Duggan’s Expanding Roles

John Saich will focus on enhancing outpatient rehabilitation efforts while expanding his responsibilities throughout the organization. His career spanning nearly three decades at Select Medical has equipped him with the necessary skills to spearhead operational success and innovation.

John Duggan’s extensive legal expertise will be critical as he transitions into his new role, ensuring that Select Medical navigates the complex legal landscape surrounding healthcare regulation and compliance.

The Road Ahead for Select Medical

Select Medical’s Co-Founder and Executive Chairman, Robert A. Ortenzio, expressed pride in the company’s leadership succession strategy. “The appointments of these long-time veterans with impeccable track records underscore our commitment to our values, vision, and mission,” he stated. “I look forward to working closely with these top-notch executives as we continue our aggressive growth strategy, enhancing patient access to world-class post-acute care across the country.”

As of June 30, 2025, Select Medical operates 104 critical illness recovery hospitals across 29 states, along with a significant number of outpatient rehabilitation clinics. This leadership transition comes at a pivotal time as the company aims to enhance its services and expand its reach, ensuring that patients receive high-quality care tailored to their recovery needs.

For more information about Select Medical, you can visit www.selectmedical.com.