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Excela Health and Butler Health System Physicians Named Among Region’s Top Doctors

Excela Health and Butler Health System Physicians Named Among Region’s Top Doctors

GREENSBURG, PA, May 3, 2023 … Physicians at Excela Health and Butler Health System are once again among western Pennsylvania’s top doctors, as featured in Pittsburgh Magazine. Annually, Pittsburgh Magazine publishes data compiled by Castle Connolly, providing consumers with a highly credible resource from which to help make informed decisions when choosing a physician.

“On behalf of our entire organization, I would like to congratulate these outstanding clinicians for being named Top Doctors™ in Pittsburgh Magazine,” said Ken DeFurio, President and Chief Executive of the newly merged Excela Health and Butler Health.  “This distinction is an apt reflection of the caliber and capabilities of the entire medical staff throughout our system.” 

Receiving the Top Doctors designation in 2023 are:

Marco Cavagna, MD, PhD     Butler Health System       Cardiac Electrophysiology

George Davliakos, MD           Butler Health System       Cardiac & Thoracic Surgery

Michael Szwerc, MD, FACS   Excela Health                   Cardiac & Thoracic Surgery

Lance Brunton, MD                Excela Health                   Orthopedic Surgery

Daniel Leigey, MD                  Excela Health                   Orthopedic Surgery

Kevin Leighton, MD                Butler Health System       Primary Care

Daniel Gagné, MD, FACS, FASMBS    Butler Health System   Surgery

Mark Zelkovic, MD, FACS      Excela Health                    Surgery

Kevin Traub, MD                   Butler Health System          Urology

The selection process consists of rigorous and unbiased research, identifying doctors who embody excellence in clinical and interpersonal skills including listening, communicating, demonstrating empathy, and instilling patients with trust and confidence. Nominations are submitted to Castle Connelly for review by other licensed physicians. To learn more about the Castle Connolly selection process, visit

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