Elizabeth K Denniston, PA-C

Dr. Sferra cares for patients age 14 and up who have foot and ankle problems. He is experienced in ankle arthroscopy, minimally invasive foot surgery, total ankle replacements, and Lapiplasty®. He is clinically interested in Achilles tendon, ankle ligaments and fractures, arthritis, bunions, and sports injuries. Dr. Sferra has been a member of the American Orthopaedic Associates since 2008, and has been named to a list of the Best Doctors, Pittsburgh, and Best Doctors, Cleveland. He is a recipient of the Golden Mallet Award, Allegheny Orthopaedic Associates, 2017, and the Teacher of the Year Award, Cleveland Clinic Orthopaedics, 2001 – 2002. He is a member of Alpha Omega Alpha Honor Medical Society.

Nathan C. Winek, MD, is an orthopaedic hand and upper extremity surgeon with AHN Orthopaedic Institute, specializing in microvascular surgery, nerve repair, small joint arthroscopy, and denervation. He provides expert care for compressive neuropathies, tendinopathies, ligament injuries, arthritis, and fractures of the upper extremity. Dr. Winek attended medical school at Temple University in Philadelphia, Pennsylvania. He completed his residency at Allegheny Health Network in Pittsburgh, Pennsylvania, followed by a fellowship in hand, upper extremity, and microvascular surgery at Columbia University Irving Medical Center/NewYork-Presbyterian in New York, New York. Dr. Winek welcomes patients aged 18 and older.

Dr. Slipak is an orthopaedic surgeon who treats patients with orthopaedic cancers and bone and soft tissue tumors. He also provides total joint replacement surgery for hips and knees. Dr. Slipak received a medical degree from Temple University School of Medicine in Philadelphia, Pennsylvania. He completed a residency at Allegheny General Hospital in Pittsburgh, Pennsylvania. He gained further training through a fellowship at MD Anderson Cancer Center in Musculoskeletal Oncology in Houston, Texas. He is a member of the Pennsylvania Orthopaedic Society and the American Academy of Orthopaedic Surgeons. He speaks English.