Glass Clark H MD

Andy F. Zhu, M.D., is a board-certified orthopaedic surgeon at Pinnacle Orthopaedics, specializing in hand and microvascular surgery, as well as general orthopaedics. He holds a subspecialty certification in surgery of the hand and focuses on hand, wrist, and elbow surgery. Dr. Zhu treats both adult and pediatric patients at Pinnacle Orthopaedics' Hiram, Marietta, and Woodstock locations. He graduated with highest honors from the Georgia Institute of Technology with a Bachelor's in Biomedical Engineering, earned his medical degree from the Medical College of Georgia, and completed his Orthopaedic Surgery Residency at the University of Michigan. He further specialized in Hand and Microvascular surgery at Loyola University Medical Center.

Dr. Karthik Ponnusamy, M.D., M.S.E., is a board-certified orthopaedic surgeon at Pinnacle Orthopaedics, specializing in hip and knee replacements, arthroscopy, total and partial knee replacements, total hip replacements (including the direct anterior approach), robotic knee replacement, arthroplasty, and general orthopaedics. He practices at Pinnacle Orthopaedics' Canton and Woodstock offices. Dr. Ponnusamy earned his medical degree from Stanford University, completed his residency at Johns Hopkins University, and a Hip and Knee Replacement Fellowship at the University of Western Ontario. He has contributed significant research on stem cells, tissue engineering, robotic surgery, and perioperative patient management.

Dr. Charles F. Land, M.D., is a board certified surgeon, specializing in surgical and non-surgical care of the cervical, thoracic, and lumbar spine. His expertise includes treating degenerative spinal conditions, lumbar and cervical stenosis, disc herniations, minimally invasive spine surgery, spinal trauma, kyphoplasty, and sacroiliac joint disease. Dr. Land practices at Pinnacle Orthopaedics' Canton, Marietta, and Woodstock offices. He received his medical degree from Mercer University School of Medicine, completed his residency at the Medical College of Georgia, and an Orthopaedic Spine Surgery Fellowship at The Johns Hopkins University.