Dr. David A. Andreychik

Ronald DiSimone, MD, is an orthopaedic surgeon and is certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. He is the medical director of orthopaedic care at UPMC in North Central Pa. He received his medical degree from Hahnemann University School of Medicine and completed his residency at Hahnemann University Hospital. Dr. DiSimone’s clinical interests include orthopaedic spine, robotic total knee replacement, and direct anterior total hip replacement. He is a member of the American Academy of Orthopaedic Surgeons (AAOS), North American Spine Society, Eastern Orthopaedic Association, Pennsylvania Orthopaedic Society, and Lycoming County Medical Society. In his free time, he enjoys hiking and skiing. Dr. DiSimone is designated as a UPMC Health Plan Hip and Knee Joint Replacement Surgery Center of Excellence surgeon at UPMC Williamsport based on his commitment to quality care and outstanding patient experience. Dr. Disimone is rated as a Distinguished provider by MediFind in Microdiscectomy. His top areas of expertise are Spondylolisthesis, Osteoarthritis, Fractured Spine, Microdiscectomy, and Cervical Disc Surgery.

Dimitrios Papadopoulos is an Orthopedics provider in Danville, Pennsylvania. Dr. Papadopoulos is rated as an Advanced provider by MediFind in Microdiscectomy. His top areas of expertise are Scaphoid Non-Union, Herniated Disk, Diskitis, Microdiscectomy, and Herniated Disc Surgery.

Stephen Falatyn is an Orthopedics specialist and a Thoracic Surgeon in Allentown, Pennsylvania. Dr. Falatyn is rated as an Advanced provider by MediFind in Microdiscectomy. His top areas of expertise are Spinal Stenosis, Invertebral Disc Disease, Spondylolisthesis, Microdiscectomy, and Herniated Disc Surgery.