Meet Our Team

Aaron is a highly skilled and dedicated orthopedic physician assistant with South Hills Orthopaedics. Since 2014, he has worked closely with Dr. Brett Perricelli, playing an essential role in both the operating room and the clinic. His practice focuses on hip and knee replacement and revision surgery, trauma procedures, and hip fracture care. In addition to assisting in surgery, Aaron provides comprehensive patient care in the office, including preoperative evaluations, postoperative follow-up, fracture management, and joint injections. Patients value his approachable manner, thoroughness, and commitment to helping them navigate their treatment and recovery with confidence.

Since 2019, Stefanie has served as the Physician Assistant for the Joint Replacement Program at St. Clair Health, working exclusively in the hospital setting. She is a vital member of the inpatient orthopaedic team, caring for patients undergoing hip and knee replacement surgery as well as those admitted with acute hip fractures. Patients and families meet Stefanie during their hospital stay, where she provides thorough medical and medication reviews, coordinates preoperative planning, assists in surgery, and manages postoperative care and discharge planning. Her approachable style and clinical expertise help patients feel reassured and supported throughout their hospitalization.

Lauren is a dedicated physician assistant specializing in orthopaedic care with over a decade of experience. A South Hills native of Pittsburgh, she earned her Bachelor of Science degree in Exercise Physiology from West Virginia University, graduating summa cum laude, before completing her Master of Science in Physician Assistant Studies at Marietta College.