Dr. Derek Andreini joined Tristate Orthopaedics in 2025, specializing in adult reconstruction, including total knee replacement, total hip replacement, unicompartmental knee arthroplasty, and complex hip and knee revision surgery. He completed his orthopaedic surgery residency at Allegheny General Hospital, followed by a fellowship in adult reconstruction at Cleveland Clinic, ranked as the #2 hospital in the world. There, he trained with renowned surgeons, treating patients with some of the most complex hip and knee conditions from around the globe. Following his fellowship, he was offered a position at Cleveland Clinic but ultimately chose to return to Pittsburgh to be closer to family and serve the community he has always called home.
Dr. Andreini employs the latest advancements in hip and knee surgery, including robotic-assisted techniques and the direct anterior approach for hip replacement. With these minimally invasive techniques, patients are able to be discharged same day of surgery and recover faster. He provides expert care for a wide range of conditions, such as arthritis, avascular necrosis, fracture nonunions, congenital hip dysplasia, and other hip and knee disorders. He accepts all major insurance plans, including both UPMC and Highmark.