Bryan Kumiga, DO MS

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.

Clark H. Glass, M.D., is a board-certified physician at Pinnacle Orthopaedics, specializing in general and non-operative orthopaedics. He treats joint pain, musculoskeletal injuries, and fractures at the Marietta and Woodstock locations. One of Pinnacle’s longest-serving physicians, Dr. Glass is active in the community and has served as a team physician for local schools.

Dr. Michael Kuczmanski is a board-certified orthopaedic surgeon at Pinnacle Orthopaedics, specializing in general orthopaedics, sports medicine, and arthroscopic shoulder and knee surgery. Fellowship-trained in sports medicine, he treats patients in Woodstock and Canton. Dr. Kuczmanski has served as team physician for Kennesaw State University, North Cobb High School, and formerly for multiple professional teams during his fellowship.