Dr. Gregory C. Fanelli

Matthew Best is a Sports Medicine specialist and an Orthopedics provider in Allentown, Pennsylvania. Dr. Best is rated as an Advanced provider by MediFind in the treatment of Hypermobile Joints. His top areas of expertise are Osteoarthritis, Tendinitis, Hypermobile Joints, Hip Replacement, and Knee Replacement. Dr. Best is currently accepting new patients.

L. Christopher Grandizio, DO, is an orthopaedic surgeon who specializes in hand, wrist, shoulder and elbow surgery. Dr. Grandizio is a Professor of Orthopaedic Surgery at Geisinger Commonwealth School of Medicine and serves as the of the Chief of Shoulder & Elbow Division for the Geisinger Musculoskeletal Institute. Dr. Grandizio is an expert in the treatment of peripheral nerve compression (including carpal tunnel syndrome and cubital tunnel syndrome), upper-extremity trauma and fractures, sports injuries, and shoulder and elbow replacements. In addition, he specializes in complex reconstructive procedures in the upper-limb, including tendon transfers for shoulder, elbow and hand conditions.|After completing his Orthopaedic Surgery Residency at Geisinger, he went to on to complete a one-year fellowship in upper-extremity surgery at the Cleveland Clinic. Upon returning to Geisinger, he founded the Geisinger Upper-Extremity Research Fellowship, where he has mentored numerous international and US fellows. In 2021, he was selected to participate in the Young Leaders Program for the American Society for Surgery of the Hand (ASSH).|Dr. Grandizio maintains a strong interest in both research and education. He has published over 100 peer-reviewed research articles. As an expert in the management of complex elbow instability, Dr. Grandizio has been invited to give numerous national and international presentations on topics ranging from upper-extremity trauma to technology in healthcare. He serves as a peer-reviewer for multiple orthopaedic journals and is an Associate Editor for the Journal of Hand Surgery. As part of his commitment to education, he is heavily engaged in professional societies and is involved in multiple committees and leadership positions within the ASSH. In addition, Dr. Grandizio is one of the few upper-extremity surgeons who is a member of both the ASSH and ASES.|A former member of Bucknell University’s NCAA Division I baseball team, Dr. Grandizio has a long history in athletics and enjoys helping his patients return to doing what they love. He specializes in elbow ulnar collateral ligament repair / reconstruction (Tommy John Surgery) and has a passion for working with throwing athletes.|In his spare time, he enjoys spending time with his family, coaching baseball and reading. Dr. Grandizio is rated as a Distinguished provider by MediFind in the treatment of Hypermobile Joints. His top areas of expertise are Carpal Tunnel Syndrome, Mononeuritis Multiplex, Trigger Thumb, Osteotomy, and Endoscopy.

Dr. Mercuri is a board-certified and fellowship-trained adult reconstruction surgeon specializing in knee and hip replacements. His practice focuses on the use of computer navigation, augmented reality and robotics. He performs kinematic alignment for knee replacements and personalized implant positioning for hip replacements. He's the director of the Adult Reconstruction Fellowship, the associate director of the Northeast Orthopaedic Surgery Residency, and an associate professor at Geisinger Commonwealth School of Medicine.|Dr. Mercuri earned his medical degree from New York University School of Medicine in New York City. He also earned a Master of Arts in Bioethics from New York University. He completed his residency at NYU Langone Health's Hospital for Joint Diseases and his fellowship in adult reconstructive surgery with the Insall Scott Kelly Institute for Orthopaedics and Sports Medicine. Dr. Mercuri is certified by the American Board of Orthopaedic Surgery.|This native of northeastern Pennsylvania attended Scranton Preparatory School and The University of Scranton, where he excelled as student and a long distance runner. He still enjoys running when he's not at work, as well as doing yard work with his antique John Deere farm tractor and spending time with his wife and two sons.|Hear from Dr. Mercuri’s patients|Rosanne Hartland:|After Dr. Mercuri performed Mako® robotic-arm–assisted joint replacement surgery on her hip, Rosanne Hartland was home the same day — and back to work in just two weeks. Read her story.|Bob Romanaskas:|Unbearable knee pain left Bob Romanaskas searching for treatment options. That’s when he found Dr. Mercuri and Mako robotic surgery. After having two knee replacements, he was back to the gym and enjoying his active lifestyle in no time. Read his story. Dr. Mercuri is rated as an Advanced provider by MediFind in the treatment of Hypermobile Joints. His top areas of expertise are Osteoarthritis, Hypermobile Joints, Acute Pain, Hip Replacement, and Knee Replacement.